TED-Ed

Dig into the engineering of the Hoover Dam, a concrete arch-gravity dam on the Colorado River that supplies water to the US southwest.

Uploaded 23-12-21

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In the early 20th century, the US had expanded from coast to coast, but many cities in the southwest still lacked reliable water sources. The Colorado River's erratic flow and frequent floods made it unreliable for agriculture, and the region’s growing cities needed more energy. So the government decided to build a massive hydroelectric dam. Alex Gendler details the creation of the Hoover Dam.

Lesson by Alex Gendler, directed by Jovan Rakic, Artrake Studio.

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View full lesson: https://ed.ted.com/lessons/blood-concrete-and-dynamite-building-the-hoover-dam-alex-gendler
Dig deeper with additional resources: https://ed.ted.com/lessons/blood-concrete-and-dynamite-building-the-hoover-dam-alex-gendler#digdeeper

Animator's website: https://www.artrake.com
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Trace the rise and fall of the Mongol Empire which, under the leadership of Genghis Khan, became the largest contiguous land empire in history.

Uploaded 29-08-19

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It was the largest contiguous land empire in history— stretching from Korea to Ukraine, and from Siberia to southern China. And was forged on the open plains. In the 12th century, the East Asian steppe was home to scattered groups of nomads who, by 1206, would be united under the innovative leadership of a man named Temujin. Anne F. Broadbridge details the rise and fall of the Mongol Empire.

Lesson by Anne F. Broadbridge, directed by Globizco Studios.

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View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-mongol-empire-anne-f-broadbridge

Thank you so much to our patrons for your support! Without you this video would not be possible! JackKeyton, Matthew D. Vigil, Amin Shahril, Adriano Fontes, Xiao Yu, Fatima Kried, Aravind Battaje, Melissa Suarez, Jason Duncan, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Chhunheng Veng, Leonardo Monrroy, Sumedh Ghaisas, Guhten, Amer Harb, Dowey Baothman, Norbert Orgován, Shafeeq Ansari, Gabriel Balsa, Maryam Sultan, Bethany Connor, Jeremy Shimanek, Adam Foreman, Sebastiaan Vleugels, Lâm Nguyễn, Mark Byers, Bradley Heinold, Monkeypatcher, Laurence McMillan, Connor Roberts, Dmitry Neverov, Tonya Ratliff-Garrison, Avinash Amarnath, Eric McDaniel, Cristian Cristian, France Lipužič, EdoKun, Rare Media, Rayo, Faizan, Elizabeth Gu, Nazmul Idris, Po Foon Kwong, Siobhan O'Connor Gwozdz, NinjaBoffin, Jesse Jurman and Josue Perez Miranda.



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View full lesson: http://ed.ted.com/lessons/john-wooden-on-true-success

Uploaded 24-08-13

With profound simplicity, Coach John Wooden redefines success and urges us all to pursue the best in ourselves. In this inspiring talk he shares the advice he gave his players at UCLA, quotes poetry and remembers his father's wisdom.

Talk by John Wooden.



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The adventure continues! Episode 8: Ethic and Hedge find themselves at a gauntlet of forking paths. Can they find the right one before they’re captured?

Uploaded 16-04-20

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This is episode 8 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles.

Lesson by Alex Rosenthal, directed by Kozmonot Animation Studio.

Supported by Endless: https://endlessnetwork.com

A special thank you to the programmers who assisted in the development of this series: Eric Wastl, Sara Kladky, Ryan Harvey, Dan Bernier, Eden Girma, Matt Gruskin, and James Griffith.

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View full lesson: https://ed.ted.com/lessons/the-gauntlet-think-like-a-coder-ep-8

Thank you so much to our patrons for your support! Without you this video would not be possible! Shafeeq Ansari, Gabriel Balsa, Maryam Sultan, Bethany Connor, Jeremy Shimanek, Adam Foreman, Sebastiaan Vleugels, Lâm Nguyễn, Mark Byers, Bradley Heinold, Monkeypatcher, Laurence McMillan, Connor Roberts, Dmitry Neverov, Tonya Ratliff-Garrison, Avinash Amarnath, Eric McDaniel, Cristian Cristian, France Lipužič, EdoKun , Rare Media, Rayo, Faizan, Elizabeth Gu, Nazmul Idris, Po Foon Kwong, Siobhan O'Connor Gwozdz, NinjaBoffin, Jesse Jurman, Josue Perez Miranda, Jan-Erik, Scott Markley, Kaitlyn holland, Elija Peterson, Michele Lynn Rose, Jai Prasanth, Vack91, David Lucsanyi, Xavier dupont, Marisa Miller, Boytsov Ilya, Steven Razey, Javier Aldavaz, Nathan Giusti, Mada Arslan, Joichiro Yamada, Ritul Raghavan, Aline de Paula Zillig, Yambu Ganesh Shaw and Abeer Rajbeen.



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View full lesson: http://ed.ted.com/lessons/detention-or-eco-club-choosing-your-future-juan-martinez

Growing up surrounded by gangs in South Central Los Angeles, Juan Martinez wasn't exposed to the great outdoors. One day in high school, he was given the life-changing choice between detention or Eco Club. He chose nature and has since devoted his life to getting kids back to the outdoors as a National Geographic Explorer and director of the Natural Leaders Network.

Talk by Juan Martinez.

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View full lesson: http://ed.ted.com/lessons/how-to-find-the-true-face-of-leonardo-siegfried-woldhek

Mona Lisa is one of the best-known faces on the planet. But would you recognize an image of Leonardo da Vinci? Illustrator Siegfried Woldhek uses some thoughtful image-analysis techniques to find what he believes is the true face of Leonardo.

Talk by Siegfried Woldhek.

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Uploaded 17-01-19

View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-mongolian-queen-anne-f-broadbridge

As dawn breaks over a moveable city of ten thousand yurts, Queen Boraqchin readies her kingdom for departure to their summer camping grounds. While her husband, the grandson of Genghis Khan, is out raiding, she juggles the duties of managing flocks, family and a city of thousands. Anne F. Broadbridge outlines a day in the life of a Mongolian queen.

Lesson by Anne F. Broadbridge, directed by Els Decaluwe.

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Dig into the tragic myth of Tristan and Princess Isolde, and how they fall in love despite her being promised to another.

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After witnessing a bird carrying a single golden hair, King Mark of Cornwall declared his future bride must have equally radiant locks. The only royal matching this description was Princess Isolde of Ireland. So the king sent Tristan, his bravest knight, to extend an olive branch to the royal family and deliver his proposal of marriage. Iseult Gillespie shares the tale of Tristan and Isolde.

Lesson by Iseult Gillespie, directed by Ciara Nolan, Paper Panther.

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View full lesson: https://ed.ted.com/lessons/the-tragic-romance-of-tristan-and-isolde-iseult-gillespie
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Charlie Todd causes bizarre, hilarious, and unexpected public scenes: Seventy synchronized dancers in storefront windows, "ghostbusters" running through the New York Public Library, and the annual no-pants subway ride. In his talk, he shows how his group, Improv Everywhere, uses these scenes to bring people together. (Filmed at TEDxBloomington.)

Uploaded 08-08-13

Talk by Charlie Todd.



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View full lesson: http://ed.ted.com/lessons/underwater-astonishments-david-gallo

David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the ocean.

Talk by David Gallo.

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