TED-Ed

Explore how wind turbines convert wind into electricity, and the challenges of powering the world entirely with wind energy.

Uploaded 22-04-21

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Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible amount of energy, and is it possible to create a world powered entirely by wind? Rebecca Barthelmie and Sara Pryor dig into the science of wind turbine technology.

Lesson by Rebecca J. Barthelmie and Sara C. Pryor, directed by Gavin Edwards, Movult.

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View full lesson: https://ed.ted.com/lessons/how-do-wind-turbines-work-rebecca-j-barthelmie-and-sara-c-pryor
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Animator's website: https://www.movult.com/
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Explore the specialized anatomy that allows parrots to talk, scream, curse, and recite facts like humans.

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Whether they’re belting Beyoncé, head-banging to classic rock, or rattling off curse words at zoo-goers, parrots are constantly astounding us. They are among the only animals that produce human speech, and some parrots do it almost uncannily well. How is this possible? Grace Smith-Vidaurre and Tim Wright dig into the anatomy that allows parrots to talk, scream, curse, and recite facts.

Lesson by Grace Smith-Vidaurre and Tim Wright, directed by Anton Bogaty.

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Animator's website: https://antonbogaty.com
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Uploaded 07-05-18

View full lesson: https://ed.ted.com/lessons/what-causes-constipation-heba-shaheed

Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in your digestive system, strikes. In some especially uncomfortable cases, the food you eat can take several days to exit your body. What's behind this unsettling phenomenon? Heba Shaheed takes us into the digestive system to find out.

Lesson by Heba Shaheed, animation by Augenblick Studios.

Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, Adil Abdulla, Mayank Kaul, Ryohky Araya, and vivian james.



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John Gerzema says there's an upside to the recent financial crisis -- the opportunity for positive change. In this talk, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to connect with thoughtful spending. (Filmed at TEDxKC.)

Talk by John Gerzema.

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Explore what happens in your body when you don’t acclimate to higher altitudes and the dangers of altitude sickness.

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If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it’s possible to survive at the peak for hours. So what happens in our bodies that allows us to endure this incredible altitude? Andrew Lovering investigates.

Lesson by Andrew Lovering, directed by Vitalii Nebelskyi, and action creative agency.
Designed by Alexandra Bolotova
Animated by Volodymyr Boyko

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Animator's website: http://and-action.net
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Thank you so much to our patrons for your support! Without you this video would not be possible! Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora Slydell, Noel Situ, emily lam, Sid, Kent Logan, Niccolò Frassetto, Mana, I'm here because of Knowledge Fight Facebook group., Linda Freedman, Edgardo Cuellar, Jaspar Carmichael-Jack, Michael Burton, VIVIANA A GARCIA BESNE, The Vernon's, Olha Bahatiuk, Jesús Bíquez Talayero, Chels Raknrl, Sai Pranavi Jonnalagadda, Stuart Rice, Jing Chen, Vector-Dopamine math, Jasper Song, Giorgio Bugnatelli, Chardon, Eddy Trochez, OnlineBookClub.org, Eric Shear, Leith Salem, Omar Hicham, Adrian Rotaru, Brad Sullivan, Karen Ho, Niklas Frimberger, Hunter Manhart, Nathan Nguyen, Igor Stavchanskiy, James R DeVries, Grace Huo, Diana Huang, Chau Hong Diem, Orlellys Torre, Corheu, Thomas Mee, Maryann H McCrory and Blas Borde.

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Dig into the 800 year history and architecture of the Leaning Tower of Pisa and find out what gives the tower its infamous tilt.

Uploaded 03-12-19

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In 1990, the Italian government enlisted top engineers to stabilize Pisa’s famous Leaning Tower. There’d been many attempts during its 800 year history, but computer models revealed the urgency of their situation. The tower would topple if it reached an angle of 5.44 degrees— and it was currently leaning at 5.5. What gives the tower its infamous tilt? Alex Gendler explores the monument's history.

Lesson by Alex Gendler, directed by Aim Creative Studios.

Animator's website: http://aimcreativestudios.com/
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View full lesson: https://ed.ted.com/lessons/why-doesn-t-the-leaning-tower-of-pisa-fall-over-alex-gendler

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View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-ukulele-jessica-oreck-and-rachael-teel

Uploaded 18-10-13

When 19th century Portuguese travelers landed in Hawaii with a small four-stringed guitar, a member of the king's court, nicknamed Jumping Flea, or ukulele in Hawaiian, took to the instrument. Jessica Oreck and Rachael Teel explain how an affinity for the ukulele gave the instrument its name.

Lesson by Jessica Oreck and Rachael Teel, animation by Jessica Oreck.



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View full lesson: http://ed.ted.com/lessons/from-aaliyah-to-jay-z-captured-moments-in-hip-hop-history-jonathan-mannion

Uploaded 15-05-14

Jonathan Mannion once convinced rapper DMX to climb into a pool of blood -- all in pursuit of the perfect photo. In this passionate TEDYouth talk, the photographer shares how fighting for the moments he needs to capture has helped him tell the stories of Biggie, Jay-Z, Aaliyah and other hip-hop greats.

Talk by Jonathan Mannion.



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Dig into the political phenomenon of modern populism, how it rises, and the impact it can have on a democratic country.

Uploaded 20-08-20

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In many democratic countries, charismatic leaders vilify political opponents, disparage institutions, and claim to be for the people. Some critics label this approach as authoritarian or fascist, while others argue that these leaders are manipulating voters. This style of politics goes by the name of populism. Takis S. Pappas explores the phenomenon and the lasting impact it can have on a country.

Lesson by Takis S. Pappas, directed by Patrick Smith.

Animator's website: http://blend-films.blogspot.com/
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View full lesson: https://ed.ted.com/lessons/the-rise-of-modern-populism-takis-s-pappas

Thank you so much to our patrons for your support! Without you this video would not be possible! Michael Braun-Boghos, Rohan Gupta, Elizabeth Cruz, Yujing Jiang, Sarah Lundegaard, Vladimir Ivanchenko, Georg Gusewski, Rohit Lodha, Erica Zhuang, Aaron Henson, Julio Sabatés Rodríguez, Vivian and Gilbert Lee, Fahad Nasser Chowdhury, ரமணன், John simmons, June Reiling, Khalid AlAli, Mickey Mikeworth, Nathaniel Lupus, Yansong Li, Chung Wah Gnapp, Amber Alexander, Robert Patrick, Pi Guanghui, Barbara Younker, Ai Ejima, Soma Ali, Roman Pinchuk, Raheem, Hector Quintanilla, Leen Mshasha, Mariana Ortega, Danny Romard, James Bruening, Ricki Daniel Marbun, Malcolm Callis, Sabrina Gonzalez, Al the Scottish Wildcat, سلطان الخليفي, Alexander Walls, Della Palacios, Vik Nagjee, Hiroshi Uchiyama, Adi V, Andrew Bosco, Craig Sheldon, Rishi Pasham, Joanne Luce, Jason A Saslow and Mary Sawyer.



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What's it like to be pals with a genius? Onstage, physicist Leonard Susskind spins a few stories about his friendship with the legendary Richard Feynman, discussing his unconventional approach to problems both serious and ... less so. (Filmed at TEDxCaltech.)

Uploaded 15-08-13

Talk by Leonard Susskind.



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