CrashCourse
Tons of awesome courses in one awesome channel! Nicole Sweeney teaches you sociology, Carrie Anne Philbin teaches you computer science, Craig Benzine teaches film history, and Mike Rugnetta is teaching mythology! Check out the playlists for past courses in physics, philosophy, games, economics, U.S. government and politics, astronomy, anatomy & physiology, world history, biology, literature, ecology, chemistry, psychology, and U.S. history. Help support Crash Course at Patreon.com/CrashCourse.

1074 videos
Building a Desalination Plant from Scratch: Crash Course Engineering #44 Building a Desalination Plant from Scratch: Crash Course Engineering #44
1 day ago En
An essential part of engineering is engineering design. Today we’ll see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. We’ll explain the need test things on a smaller scale before ramping up to full production, and how to continually incorporate feedback from design flaws to improve your designs. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Subscribe to Physics Girl: https://www.youtube.com/physicsgirl *** RESOURCES: https://www.linkengineering.org/EngineeringDesign.aspx http://www.acewater.co.jp/en/en_b_so_product.html#01 https://www.aquatech.com/project/largest-power-plant-in-philippines-uses-membrane-desalination-for-purified-water/ https://www.researchgate.net/figure/Design-of-the-solar-vacuum-membrane-distillation-VMD-desalination-plant-11_fig1_317686589 https://www.tampabaywater.org/tampa-bay-seawater-desalination-plant https://www.con-vergence.com/product/reverse-osmosis-pilot/ *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How to Ace the Interview: Crash Course Business - Soft Skills #6 How to Ace the Interview: Crash Course Business - Soft Skills #6
2 days ago En
If you’ve got a job interview coming up and you’re feeling a little nervous, don’t worry. If you’re anything like me, you’ve probably seen enough celebrity interviews to know what works and what doesn’t. Sure, it's not as flashy, but you know what we mean! In this episode, Evelyn sits down to chat about how you can ace your next interview. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Life and Longevity: Crash Course History of Science #44 Life and Longevity: Crash Course History of Science #44
4 days ago En
It's time to have a look at the future of human life and how technology could possibly extend longevity. But, within that tech, are questions of ethics that are not always at the top of mind when the tech is being developed. In this episode, Hank sits down to chat about CRISPR and the science of Human longevity. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Medieval Europe: Crash Course European History #1 Medieval Europe: Crash Course European History #1
1 week ago En
Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle Ages, and look at events like the Black Plague, the Hundred Years War, and the Western Schism of the Catholic Church that set the stage for the history of modern Europe. Aberth, John. The Black Death. The Great Mortality of 1348-1350. 2nd ed. Boston: Bedford St. Martin’s, 2017. Huizinga, Johan. The Autumn of the Middle Ages. Trans. Rodney J. Payton and Ulrich Mammitzsch. Chicago: Chicago University Press, 1996. Hunt, Lynn et al. The Making of the West: Peoples and Cultures. 6th ed. Vol. 1. Boston: Bedford St. Martin’s, 2019. Kelley, Donald R. and Bonnie G. Smith. The Medieval and Early Modern World. Primary Sources and Reference. New York: Oxford University Press, 2005. Spielvogel, Jackson J. Western Civilization. 7th ed. Belmont, CA: Thomson Wadsworth, 2009. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids #crashcourse #history #europeanhistory
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How Seawater Sabotages Ships: Crash Course Engineering #43 How Seawater Sabotages Ships: Crash Course Engineering #43
1 week ago En
This week we’re headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean? How can large maritime structures be built on land and transferred into water? Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Subscribe to Eons: https://www.youtube.com/eons *** RESOURCES: http://www.ics-shipping.org/shipping-facts/shipping-and-world-trade http://marinenotes.blogspot.com/2012/06/watertight-doorstests-of-watertight.html https://www.iims.org.uk/introduction-propeller-cavitation/ https://www.youtube.com/watch?v=ON_irzFAU9c https://www.marineinsight.com/tech/understanding-sacrificial-anodes-on-ships/ http://www.harsonic.com/harsonic-boats/hull-fouling-is-highest-for-boats-that-remain-stationary/ https://wyss.harvard.edu/barnacles-and-mussels-wont-stick-to-boats-with-this-fully-slippery-coating/ http://www.olds.com.au/marine/terminology.html https://edition.cnn.com/2018/10/15/tech/ocean-cleanup-project/index.html https://products.damen.com/en/ranges/modular-offshore-unit-drydock/modular-offshore-unit-drydock-120120 https://www.armscontrolwonk.com/archive/201626/secret-screws/ http://www.americanhistory.si.edu/subs/anglesdangles/taming.html *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How to Make a Resume Stand Out: Crash Course Business - Soft Skills #5 How to Make a Resume Stand Out: Crash Course Business - Soft Skills #5
1 week ago En
*RESOURCES* How to build a resume: https://www.thebalancecareers.com/easy-steps-to-build-a-resume-4122296 How to write a cover letter: https://hbr.org/2014/02/how-to-write-a-cover-letter On informational interviews: https://career.berkeley.edu/Info/InfoInterview http://press.careerbuilder.com/2018-08-09-More-Than-Half-of-Employers-Have-Found-Content-on-Social-Media-That-Caused-Them-NOT-to-Hire-a-Candidate-According-to-Recent-CareerBuilder-Survey Landers, R. N., & Schmidt, G. B. (2016). Social Media in Employee Selection and Recruitment. Theory, Practice, and Current Challenges. Cham: Springer International Publishing AG. The job search is tough and can feel like you're never quite prepared. Resumes and Cover Letters can seem like too much. But, in this episode of Crash Course Business, Evelyn sits down to walk us through making a resume and cover letter stand out! *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Internet and Computing: Crash Course History of Science #43 The Internet and Computing: Crash Course History of Science #43
1 week ago En
We’ve talked a lot about advances in biotech. But none of those could have happened without advances in computing. It’s time to get back to data and explore the unlikely birth, strange life, and potential futures of the Internet. In this episode of Crash Course History of Science, Hank sits down to talk about how computers have changed, where they're going, and how the internet fits into all of this. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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YouTube Couldn't Exist Without Communications and Signal Processing: Crash Course Engineering #42 YouTube Couldn't Exist Without Communications and Signal Processing: Crash Course Engineering #42
2 weeks ago En
Engineering helped make this video possible. This week we’ll look at how it’s possible for you to watch this video with the fundamentals of signal processing. We’ll explore things from Morse Code, to problems like bandwidth capacity and noise, to how we arrived at the digital age. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Check out It’s Okay To Be Smart: https://www.youtube.com/channel/UCH4BNI0-FOK2dMXoFtViWHw *** RESOURCES: Sources: http://www.ee.iitm.ac.in/~giri/pdfs/EE4140/textbook.pdf http://edison.rutgers.edu/transmit.htm https://www.history.com/topics/inventions/telegraph https://www.gaussianwaves.com/2008/04/channel-capacity/ http://www.cs.man.ac.uk/~barry/mydocs/CS3282/Notes/DC06_7.pdf http://www.madehow.com/Volume-5/Telephone.html *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How to Speak With Confidence: Crash Course Business - Soft Skills #4 How to Speak With Confidence: Crash Course Business - Soft Skills #4
2 weeks ago En
Public speaking isn't easy for everyone. It can be nerve racking and even scary. But, in this episode of Crash Course Business Soft Skills, Evelyn talks to us about S.U.C.C.E.S and how we can use it to help us be prepared to speak to a group. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse
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The Century of the Gene: Crash Course History of Science #42 The Century of the Gene: Crash Course History of Science #42
2 weeks ago En
With the question “What is life?” addressed at the molecular level, humanity could finally cure all disease and live forever… Except, not really. It turns out we're complicated. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Crash Course European History Preview Crash Course European History Preview
3 weeks ago En
John Green is teaching history again. This time, we're looking at the history of Europe in 50 episodes. We'll start at the tail end of the so called Middle Ages, and look at how Europe's place in the world has developed and changed in the last 700 years or so. Image Credits: iStock Wikimedia Commons Storyblocks US Library of Congress artJazz, coldsnowstorm, georgeclerk, MediaTrading LTD, titoOnz Ukususha, Delpixart, Muhur, ProStock, castenoid, Wellcome, Francesco Bandarin, Carol Highsmith, buenaventuramariano, Cahyo Ramadhani, zinnmann, fotoFritz16, Photodynamic, ziggy0809, muha04, Caboclin Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids #CrashCourse #History #EuropeanHistory
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Why Moving People is Complicated: Crash Course Engineering #41 Why Moving People is Complicated: Crash Course Engineering #41
3 weeks ago En
Transportation is a big part of our world and engineers play a big role in making it happen. Today we’ll explore how transportation systems are designed and some things transportation engineers have to take into consideration, like signaling, user behavior, and traffic flow. And, of course, we’ll talk about some of the ways that transportation engineers are trying to improve the systems we already have. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Check out Origin of Everything: https://www.youtube.com/channel/UCiB8h9jD2Mlxx96ZFnGDSJw *** RESOURCES: http://www.visualcapitalist.com/wp-content/uploads/2018/04/average-commute-time-by-state.html http://www.railway-technical.com/signalling/infopaper-6-basic-railway.pdf https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/489894/tsgb-2015.pdf https://www.mech.kuleuven.be/cib/verkeer/dwn/H111part3.pdf https://www.networkrail.co.uk/our-railway-upgrade-plan/digital-railway/ *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Secret to Business Writing: Crash Course Business - Soft Skills #3 The Secret to Business Writing: Crash Course Business - Soft Skills #3
3 weeks ago En
***This series is sponsored by Google*** In business, you need to know how to write. And that involves learning a bunch of things like knowing who you're writing to and what kind of thing you're writing. In this episode of Crash Course Business Soft Skills, Evelyn talks to us about writing for business. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Bodies and Dollars: Crash Course History of Science #41 Bodies and Dollars: Crash Course History of Science #41
3 weeks ago En
After World War Two, the applications of basic discoveries in biology took off—and became big business. Today, we’ll look at the rise of Big Pharma and GMO foods. We’ll also discuss how life-science technologies fundamentally changed reproduction: it’s time to invent In Vitro Fertilization and clone a sheep! *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Defense Against the Dark Arts of Influence: Crash Course Business Soft Skills #2 Defense Against the Dark Arts of Influence: Crash Course Business Soft Skills #2
1 month ago En
***This series is sponsored by Google*** How do con artists manage to scam millions? Why do people choose to follow great leaders, or horrible ones? How do CEOs get better deals in the boardroom? Influence. In this episode of Crash Course Business, Evelyn chats to us about what influence is, how to use it respectfully, and how to protect yourself against its darker uses. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Biotechnology: Crash Course History of Science #40 Biotechnology: Crash Course History of Science #40
1 month ago En
The history of discovering what DNA is, what it looks like, and how it works is... complicated. But, in this episode of History of Science, Hank Green does his best to lay out the basics so we can understand the beginnings of Biotechnology. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40 How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40
1 month ago En
This week we’re going underground to explore geotechnical and seismic engineering. We’ll look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing capacity. We’ll see how properties of the soil, like shear strength, affect bearing capacity. We’ll also consider happens when the ground experiences stress from seismic activity and how seismic engineers work to counteract those effects. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Subscribe to Hot Mess: https://www.youtube.com/channel/UCsaEBhRsI6tmmz12fkSEYdw *** RESOURCES: https://www.thebalancesmb.com/leaning-tower-pisa-construction-844359 http://environment.uwe.ac.uk/geocal/foundations/founbear.htm http://www.geotechnicalinfo.com/bearing_capacity_technical_guidance.html http://civil.utm.my/azril/files/2016/05/2014-August-Chapter-4-Soil-Shear-strength-Revised.pdf http://www4.hcmut.edu.vn/~cnan/Principles%20of%20geotechnical%20engineering%20(Fifth%20Edition,%20Das)/311-363.PDF https://icce-ojs-tamu.tdl.org/icce/index.php/icce/article/viewFile/2059/1731 https://www.soil-net.com/legacy/schools/what_is_soil1.htm https://www.ramjack.com/houston/about-ram-jack/blog/2015/september/the-foundation-of-the-leaning-tower-of-pisa/ https://leaningtowerpisa.com/facts/how/how-pisa-leaning-tower-was-stabilized *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Why You Need Trust to Do Business: Crash Course Business - Soft Skills #1 Why You Need Trust to Do Business: Crash Course Business - Soft Skills #1
1 month ago En
This series is sponsored by Google. Welcome to a new Crash Course series! Join Evelyn from the Internets as she hosts this 17 episode series on Soft Skills, which is going to be all about learning to be in a working environment, applying for jobs, interviewing, and so much more. In this episode, we start by talking about why "Trust" is so important in Business. You can check out Evelyn's channel here: https://www.youtube.com/user/spicyeve *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Social Media: Crash Course Navigating Digital Information #10 Social Media: Crash Course Navigating Digital Information #10
1 month ago En
Today, in our series finale, we're going to talk about the great white whale of navigating online information: your social media feed. Social media shapes both our online and offline behaviors from how we engage in communities and consume goods and services to influencing our thoughts and opinions. So let's talk about how they really function - the good stuff and also the terrible stuff. We know that navigating our current information environment can be frustrating, and we hope this series has helped you develop the habits to navigate our digital world a bit more confidently. Thanks so much for watching! Read more about YouTube's effort to improve recommendations here: https://youtube.googleblog.com/2019/01/continuing-our-work-to-improve.html Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39 Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39
1 month ago En
In this episode, we looked at food engineering. We explored how food’s capacity to spoil makes it a unique challenge from an engineering viewpoint. We saw how many branches of engineering come into play to process ingredients, ensure safety for consumers, and package food, as well as how thermodynamics is involved in the different stages of food production. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://food.unl.edu/how-food-spoils http://jfoodprotection.org/doi/pdf/10.4315/0362-028X-53.5.430?code=FOPR-site http://msue.anr.msu.edu/news/food_preservation_is_as_old_as_mankind http://www.madehow.com/Volume-4/Raisins.html https://www.dairycouncil.co.uk/consumers/industry/what-is-pasteurisation *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Crash Course Business - Soft Skills: Preview Crash Course Business - Soft Skills: Preview
1 month ago En
We've joined with Evelyn From the Internets to bring you the first half of our series on Business. Sponsored by Google, this first series will have Evelyn sitting down and going through Soft Skills. She'll be talking about Trust, Resumes, Conflict Resolution, Interviewing, and much, much more. So join us starting next week for Crash Course Business - Soft Skills with your host, Evelyn From the Internets. Check out Evelyn's channel: https://www.youtube.com/user/spicyeve *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Click Restraint: Crash Course Navigating Digital Information #9 Click Restraint: Crash Course Navigating Digital Information #9
1 month ago En
The architecture of the social internet itself tells us not to be patient - to load more tweets, to hit refresh for new posts, and to click the top search results. But just because information is new, or algorithmically determined to be most relevant to you, doesn't necessarily mean it's the best or most accurate. So today we're going to teach you some tips to exercise a little more click restraint on the Internet. Google rater guidelines: https://static.googleusercontent.com/media/www.google.com/en//insidesearch/howsearchworks/assets/searchqualityevaluatorguidelines.pdf Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Controlling the Environment: Crash Course History of Science #39 Controlling the Environment: Crash Course History of Science #39
1 month ago En
Well, it wouldn't be too long after we started developing Ecology that we would try to control the environment. In some ways this was helpful and likely prevented a lot of people from starving. But, there have been a few downsides. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Broadway Book Musicals: Crash Course Theater #50 Broadway Book Musicals: Crash Course Theater #50
1 month ago En
This is it! We're going out with a singing, dancing look at the Broadway Book Musical. Oklahoma! On the Town! Annie Get Your Gun! Also, just Annie! Today you'll learn about the development of the Broadway Book Musical in the late 19th and early 20th centuries, and get a sense of how the form developed through the Golden Age of Broadway. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38 Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38
1 month ago En
Can we change the blueprints of life? This week we are exploring that question with genetic engineering. We’ll discuss how selective breeding can improve agricultural practices, and the potential DNA-level engineering could have on other fields of engineering. We’ll also look at how optogenetics and CRISPR have opened up new ways for genetic engineers to change the DNA inside living cells. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://www.huffingtonpost.com/david-macaray/the-man-who-saved-a-billi_b_4099523.html?guccounter=1 http://wheatdoctor.org/lodging https://diatoms.org/what-are-diatoms https://www.researchgate.net/publication/49698386_From_diatoms_to_silica-based_biohybrids https://www.pnnl.gov/news/release.aspx?id=918 https://www.vox.com/2018/7/23/17594864/crispr-cas9-gene-editing *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Data & Infographics: Crash Course Navigating Digital Information #8 Data & Infographics: Crash Course Navigating Digital Information #8
1 month ago En
Today, we're going to discuss how numbers, like statistics, and visual representations like charts and infographics can be used to help us better understand the world or profoundly deceive. Data is a really powerful form of evidence because it can be absorbed quickly and easily, but neither data, nor interpretations of it, are neutral, so today we're going to discuss how to think critically about the statistics we encounter in everyday life. Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Ecology: Crash Course History of Science #38 Ecology: Crash Course History of Science #38
1 month ago En
We’ve explored the origins of modern biology, the earth sciences, and even the sciences of outer space. Now it’s time to put these disciplines together. It's Ecology time!!! *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Smart Tattoos & Tiny Robots: Crash Course Engineering #37 Smart Tattoos & Tiny Robots: Crash Course Engineering #37
1 month ago En
This week we are exploring biodevices and the part they play in the healthcare world. We’ll look at the challenges of implantable biodevices, like biocompatibility, power and connectivity, packaging, structural design, delivery systems, and device management. We’ll also dive into some of the latest research, like smart tattoos, and just what the future of biodevices might hold. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3797898/ https://www.embs.org/about-biomedical-engineering/our-areas-of-research/wearable-implantable-technologies/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2572009/ http://broughttolife.sciencemuseum.org.uk/broughttolife/techniques/pacemaker https://www.mayoclinic.org/tests-procedures/pacemaker/about/pac-20384689 https://batteryuniversity.com/index.php/learn/archive/is_lithium_ion_the_ideal_battery http://pacaero.com/industries/medical/ https://pdfs.semanticscholar.org/ecc7/9b613e4bb71c6a04f442908ebf9695c10e8f.pdf https://www.nidcd.nih.gov/health/cochlear-implants https://news.harvard.edu/gazette/story/2017/09/harvard-researchers-help-develop-smart-tattoos/ https://www.rd.com/health/conditions/smart-tattoo/ http://www.lboro.ac.uk/microsites/mechman/research/ipm-ktn/pdf/Technology_review/an-introduction-to-mems.pdf https://www.mems-exchange.org/MEMS/applications.html http://www.heart.org/en/health-topics/heart-attack/treatment-of-a-heart-attack/implantable-medical-devices https://www.mayoclinic.org/tests-procedures/implantable-cardioverter-defibrillators/about/pac-20384692 https://medlineplus.gov/cardiacarrest.html#summary *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Evaluating Photos & Videos: Crash Course Navigating Digital Information #7 Evaluating Photos & Videos: Crash Course Navigating Digital Information #7
1 month ago En
With the amount of fake and doctored photos and videos out there, how can we know what to trust? Most of us are used to thinking that "seeing is believing" but as technology makes it easier and easier to spread unreliable content online it's more important than ever for us to read laterally, check for context, and always fact check suspicious content - even if it looks real. Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Air Travel and The Space Race: Crash Course History of Science #37 Air Travel and The Space Race: Crash Course History of Science #37
2 months ago En
Like the Industrial or the Einsteinian Revolution, the Space Race is a trope, or way of organizing historical events into a story that makes sense. In this story, the two great powers that emerged after World War Two—the United States and Soviet Union—competed to send communications satellites, dogs, and people into outer space… *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Poor Unfortunate Theater: Crash Course Theater #48 Poor Unfortunate Theater: Crash Course Theater #48
2 months ago En
Poor Theater and Theater of the Oppressed were two sort of concurrent movements that shared some of the same aims. Jerzy Grotowski's Poor Theater eschewed the use of lighting, props, costumes, makeup, and many of the other trappings of "rich" theater. Augusto Boal's Theater of the Oppressed in Brazil challenged the ideas of how plays were written and performed, and blurred the lines between actors and audiences. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How to Engineer Health - Drug Discovery & Delivery: Crash Course Engineering #36 How to Engineer Health - Drug Discovery & Delivery: Crash Course Engineering #36
2 months ago En
Engineers are problem solvers, and our own health is full of problems to be engineered. In this episode we discuss drug discovery and drug delivery. We’ll explore everything from classical and reverse pharmacology to the new field of synthetic biology. We’ll also look at how important good disease detection is and why we need more targeted drug delivery systems. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: http://www.engineeringchallenges.org/9129.aspx https://www.nature.com/subjects/drug-discovery https://www.nature.com/subjects/drug-delivery https://www.bio.org/articles/synthetic-biology-explained https://www.theguardian.com/science/2010/may/20/craig-venter-synthetic-life-form http://science.sciencemag.org/content/329/5987/52 https://www.nature.com/scitable/topicpage/dna-sequencing-technologies-key-to-the-human-828 http://www.who.int/news-room/fact-sheets/detail/cancer https://www.hopkinsmedicine.org/interventional-radiology/procedures/chemoembolization/index.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3275820/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4884743/ https://www.cancer.org/research/cancer-facts-statistics/global.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4051326/ https://report.nih.gov/nihfactsheets/ViewFactSheet.aspx?csid=62 https://pdfs.semanticscholar.org/1a8d/ea8780d5e2e8ef07ff83aef4cf7579e9dc04.pdf http://articles.latimes.com/1989-10-30/local/me-93_1_hot-pepper https://www.med.uio.no/ncmm/english/topics/drug-discovery/ https://www.healthline.com/health/heart-disease/drug-eluting-stent https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1464-410X.2001.00112.x *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Evaluating Evidence: Crash Course Navigating Digital Information #6 Evaluating Evidence: Crash Course Navigating Digital Information #6
2 months ago En
Today we’re going to focus on how to tell good evidence from bad evidence and maybe importantly, how to identify “Fine, but that doesn’t actually prove your point” evidence - the stuff that the Internet is built on. Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Computer and Turing: Crash Course History of Science #36 The Computer and Turing: Crash Course History of Science #36
2 months ago En
Computers and computing have changed a lot over the History of Science but ESPECIALLY over the last 100 years. In this episode of Crash Course History of Science, we have a look at that history around World War Two and how that conflict forced changes in computing. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Birth of Off Broadway: Crash Course Theater #47 The Birth of Off Broadway: Crash Course Theater #47
2 months ago En
By the middle of the 20th century, the epicenter of American theater, the Broadway theater district in New York, was getting to be a pretty staid and commercial place. There was a lot of money to be made from prestige plays and dancing revues, and the was no room in the relatively few theaters for edgy, non-commercial work. Enter Off Broadway. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Computer Engineering and the End of Moore's Law: Crash Course Engineering #35 Computer Engineering and the End of Moore's Law: Crash Course Engineering #35
2 months ago En
This week we’re exploring a field of engineering that is essential to how you’re watching this video: computers and computer engineering. We’ll explain differences between hardware and software, how engineers are working on making computers smaller and more energy efficient, and how computer aided processes such as CAD and CAM make it easier for engineers to design and manufacture parts needed in machines and products. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: http://www.bbc.co.uk/schools/gcsebitesize/design/systemscontrol/ictinindustryrev2.shtml https://www.autodesk.co.uk/solutions/cad-cam *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Using Wikipedia: Crash Course Navigating Digital Information #5 Using Wikipedia: Crash Course Navigating Digital Information #5
2 months ago En
Let's talk about Wikipedia. Wikipedia is often maligned by teachers and twitter trolls alike as an unreliable source. And yes, it does sometimes have major errors and omissions, but Wikipedia is also the Internet's largest general reference work and as such an incredibly powerful tool. Today we'll discuss using Wikipedia for good - to help us get a birds-eye view of content, better evaluate information with lateral reading, and find trustworthy primary sources. Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/mediawise https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashC... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Genetics and The Modern Synthesis: Crash Course History of Science #35 Genetics and The Modern Synthesis: Crash Course History of Science #35
2 months ago En
Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works? Well, in this episode of Crash Course History of Science, we're going to bring everything together into a new Modern Biology! *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34 To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34
2 months ago En
This week we’re exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. We’ll explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV PBS Space Time: https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g *** RESOURCES: https://www.history.com/topics/space-race https://www.spacex.com/mars https://www.princeton.edu/~asmits/Bicycle_web/Bernoulli.html https://www.livescience.com/47702-aerospace-engineering.html https://www.bls.gov/ooh/architecture-and-engineering/aerospace-engineers.htm https://www.real-world-physics-problems.com/hot-air-balloon-physics.html https://www.grc.nasa.gov/www/k-12/airplane/bgp.html https://www.sciencedirect.com/science/article/pii/B9780857090744500120 https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-microgravity-58.html https://www.nasa.gov/hrp/bodyinspace https://www.space.com/25452-zero-gravity-affects-astronauts-hearts.html https://www.space.com/21353-space-radiation-mars-mission-threat.html http://www.planetary.org/blogs/guest-blogs/2018/0417-space-grade-electronics.html https://www.nasa.gov/feature/goddard/the-fact-and-fiction-of-martian-dust-storms https://www.space.com/16907-what-is-the-temperature-of-mars.html https://www.wired.com/2010/11/1110mars-climate-observer-report/ http://edition.cnn.com/TECH/space/9909/30/mars.metric.02/ https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-spacesuit-k4.html http://www.engineeringchallenges.org/8965.aspx https://www.nasa.gov/feature/the-next-generation-of-suit-technologies http://curious.astro.cornell.edu/about-us/150-people-in-astronomy/space-exploration-and-astronauts/general-questions/927-can-artificial-gravity-be-created-in-space-intermediate https://engineering.purdue.edu/~propulsi/propulsion/jets/basics/inlet.html https://www.grc.nasa.gov/www/k-12/airplane/inlet.html *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Beckett, Ionesco, and the Theater of the Absurd: Crash Course Theater #45 Beckett, Ionesco, and the Theater of the Absurd: Crash Course Theater #45
2 months ago En
Get ready to get weird. Mike Rugnetta teaches you about the Theater of the Absurd, a 1950s theatrical reaction to the dire world events of the 1940s. You'll learn about Jean Genet, Eugene Ionesco, Samuel Beckett, and the theatrical movement that left us all Waiting for Godot. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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How Engineering Robots Works: Crash Course Engineering #33 How Engineering Robots Works: Crash Course Engineering #33
2 months ago En
In this episode we looked at robots and the engineering principles of robots. We learned how robots use sensors to interpret their environment, how actuators and effectors allow a robot to manipulate the objects around it to accomplish a task, and how computers coordinate the efforts of the two. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://www.wired.com/story/what-is-a-robot/ https://www.superdroidrobots.com/shop/custom.aspx/mining-robots/65/ https://www.pbs.org/newshour/science/new-robot-surgeon-sews-up-pig-intestines http://stm.sciencemag.org/content/8/337/337ra64 https://www.motoman.com/robotic-welding https://blog.robotiq.com/bid/72927/What-is-Included-in-Robotic-Welding-Systems https://www.cnet.com/news/be-afraid-darpa-unveils-terminator-like-atlas-robot/ https://www.theregister.co.uk/2015/01/23/atlas_unplugged_darpas_unterminator_robot_cuts_the_power_cable/ https://www.intorobotics.com/fruit-harvesting-robots/ https://techcrunch.com/2017/06/16/object-detection-api/?guccounter=1 http://www.sci.brooklyn.cuny.edu/~sklar/teaching/boston-college/s01/mc375/mc375-effectors.pdf https://www.nature.com/articles/d41586-018-05093-1 https://www.universal-robots.com/industries/automotive-and-subcontractors/ *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Check Yourself with Lateral Reading: Crash Course Navigating Digital Information #3 Check Yourself with Lateral Reading: Crash Course Navigating Digital Information #3
2 months ago En
Look to your left. Look to your right. Look at this video. Today, John Green is going to teach you how to read laterally, using multiple tabs in your browser to look stuff up and fact check as you read. Real-time fact-checking an help you figure out what's real and what's not on the internet. Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/channel/UC2DPyDJLFycNPgPcH0jaeHw https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Biomedicine: Crash Course History of Science #34 Biomedicine: Crash Course History of Science #34
2 months ago En
The history of science up until the Cold War is often overshadowed by the Manhattan Project. But, today we are going to talk about advances in biomedicine, or healthcare based on a biological understanding of human bodies and diseases. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Bertolt Brecht and Epic Theatre: Crash Course Theater #44 Bertolt Brecht and Epic Theatre: Crash Course Theater #44
3 months ago En
Are you ready to learn something about the world? Then you're ready for Bertolt Brecht, and his ideas about Epic Theatre. Brecht wanted to lean into the idea of theater as a tool to upset and educate the world about stuff like the struggles of the working class and the problematic aspects of capitalism. He wanted to SHOCK people into seeing the world as it is and taking action, rather than merely entertain audiences. But, he messed up, and wrote some pretty entertaining stories, with some really catchy music integrated into it. And do, people ended up whistling Mack the Knife instead of throwing off the shackles of an oppressive social order. To be fair, it is a catchy tune. Today you're going to learn about Brecht, Epic Theater, and a little bit about the House UnAmerican Activities Committee. Because those jerks hauled Brecht up in 1948 to shake him down about whether or not he was a communist. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Why It's So Hard To Make Better Batteries: Crash Course Engineering #32 Why It's So Hard To Make Better Batteries: Crash Course Engineering #32
3 months ago En
There are batteries powering so many parts of our everyday lives, so today we’re going to talk about how they work and how we can make them better. We’ll explain how they provide power by discharging ions between a cathode and an anode, and how reversing that process gives us a way of charging them. We’ll also look at how that batteries deliver voltage differently over time, leading to discharge curves, and some of the work being done to improve the properties of batteries for portable electronics. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://engineering.mit.edu/engage/ask-an-engineer/how-does-a-battery-work/ http://www.qrg.northwestern.edu/projects/vss/docs/power/2-how-do-batteries-work.html https://www.explainthatstuff.com/batteries.html https://web.mst.edu/~gbert/BATTERY/battery.html https://www.scientificamerican.com/article/how-do-batteries-store-an/ https://www.thenakedscientists.com/articles/science-news/swallowable-sensors-sustain-power-stomach-acid https://batteryuniversity.com/learn/archive/understanding_lithium_ion *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Facts about Fact Checking: Crash Course Navigating Digital Information #2 The Facts about Fact Checking: Crash Course Navigating Digital Information #2
3 months ago En
We're off to fact checking school. This time, John Green is teaching you how to fact check like the pros. We're going to walk through the steps that professionals follow, including figuring out who is behind the information we read, why they're sharing that information, and what kind of evidence exists to back up the claim. We'll also talk about the difference between skepticism and cynicism, and Special thanks to our partners from MediaWise who helped create this series: The Poynter Institute The Stanford History Education Group (sheg.stanford.edu) Follow MediaWise and their fact-checking work across social: https://www.instagram.com/mediawise/ https://www.youtube.com/channel/UC2DPyDJLFycNPgPcH0jaeHw https://twitter.com/mediawise https://www.facebook.com/MediaWise/ MediaWise is supported by Google. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Atomic Bomb: Crash Course History of Science #33 The Atomic Bomb: Crash Course History of Science #33
3 months ago En
The story picks up where we left off last time, with Einstein writing the president of his new homeland, the United States, urging him to build a nuclear weapon before Hitler. This is the tale of the most destructive force humans have ever unleashed. The Atomic Bomb. *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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Antonin Artaud and the Theatre of Cruelty: Crash Course Theater #43 Antonin Artaud and the Theatre of Cruelty: Crash Course Theater #43
3 months ago En
I don't mean it mean, but today we're going to be cruel. It's the fun-loving Theatre of Cruelty, which was pioneered by the genius Antonin Artaud in France during the inter-war period in twentieth century. The Theatre of Cruelty was meant to force an audience into looking at the ridiculous illusions of their bourgeois lives. Is it entertaining? Not always. Was it hugely influential? Absolutely. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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The Future of Clean Energy: Crash Course Engineering #31 The Future of Clean Energy: Crash Course Engineering #31
3 months ago En
This week we are exploring alternative energy sources. We'll look at how biomass can be burned as a fuel source, how hydrogen can be used in a fuel cell to generate electrical power, and how nuclear fission provides power to the grid. We'll also discuss how nuclear fusion might someday do the same without any radioactive waste. Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV *** RESOURCES: https://science.howstuffworks.com/nuclear-waste-disposal.htm https://www.livescience.com/39961-chernobyl.html *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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When Predictions Succeed: Crash Course Statistics #44 When Predictions Succeed: Crash Course Statistics #44
3 months ago En
In our series finale, we're going to take a look at some of the times we've used statistics to gaze into our crystal ball, and actually got it right! We'll talk about how stores know what we want to buy (which can sometimes be a good thing), how baseball was changed forever when Paul DePodesta created a record-winning Oakland A's baseball team, and how statistics keeps us safe with the incredible strides we've made in weather forecasting. Statistics are everywhere, and even if you don't remember all the formulae and graphs we've thrown at you in this series, we hope you take with you a better appreciation of the many ways statistics impacts your life, and hopefully we've given your a more math-y perspective on how the world works. Thanks so much for watching DFTBAQ! Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
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