The myth of the stolen eyeballs - Nathan D. Horowitz

Take a closer look at the life of escaped slave and American icon Harriet Tubman, who liberated over 700 enslaved people using the Underground Railroad.Uploaded 24-07-18--Download a free audiobook version of "The Underground Railroad" and support TED-Ed's nonprofit mission: https://adbl.co/2LEl0sUCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-underground-railroadEscaping slavery; risking everything to save her family; leading a military raid; championing the cause of women’s suffrage; these are just a handful of the accomplishments of one of America’s most courageous heroes. Janell Hobson details Harriet Tubman's many fights for freedom.Lesson by Janell Hobson, directed by Yan Dan Wong.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari, Melissa Sorrells, Antony Lee, Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Páez, Janelle, Jørgen Østerpart, Karla Brilman, Cindy O., Nicu Boanda, Reagen O'Connor, Anh Dau, Sabrina Gonzalez, Dino, FAWWAZ GHUWAIDI, Hadi Salahshour, Clement, Sarah Burns, Nick Debenedictis, Abdullah Altuwaijri, and Jessie McGuire. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Thomas Jefferson was a founding father of the United States — but were his principles outweighed by his participation in slavery?--Thomas Jefferson, founding father of the United States and primary author of the Declaration of Independence, was part of America’s fight for freedom and equality. But in his personal life, he held over 600 people in slavery. Are his enlightened principles outweighed by his participation in a greater injustice? Frank Cogliano puts this controversial figure on trial in History vs. Thomas Jefferson.Lesson by Frank Cogliano, directed by Brett Underhill, PorkchopBob Studio.Support Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/history-vs-thomas-jefferson-frank-coglianoDig deeper with additional resources: https://ed.ted.com/lessons/history-vs-thomas-jefferson-frank-cogliano#digdeeperAnimator's website: https://www.instagram.com/porkchopbob_studioMusic: http://www.wonderboyaudio.com----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Nevin Spoljaric, Sid Chanpuriya, Anoop Varghese, David Yastremski, Noah Webb, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon, Aleksandar Donev, Nicole Klau Ibarra, Jesse Lira, Ezekiel Raui, Petr Vacek, Dennis, Olivia Fu, Kari Teffeau, Cindy Lai, Rajath Durgada Manjunath, Dan Nguyen, Chin Beng Tan, Tom Boman, Karen Warner, Iryna Panasiuk, Aaron Torres, Eric Braun, Sonja Worzewski, Michael Clement, Adam Berry, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Jennifer Heald, Megulo Abebe, isolwi, Kate Sem, Ujjwal Dasu, Angel Alberici, Minh Quan Dinh, Sylvain, Terran Gimpel, Talia Sari, Katie McDowell, Allen, Mahina Knuckles, Charmaine Hanson and Thawsitt. Learn more about your ad choices. Visit megaphone.fm/adchoices

Take a look at the LIDAR and integrated photonics technologies that help self-driving cars navigate obstacles, no matter the environment, weather or light.Uploaded 13-05-19--It’s late, pitch dark and a self-driving car winds down a narrow country road. Suddenly, three hazards appear at the same time. With no human at the wheel, the car uses smart eyes, sensors that’ll resolve these details all in a split-second. How is this possible? Sajan Saini explains how LIDAR and integrated photonics technology make self-driving cars a reality.Lesson by Sajan Saini, directed by Artrake Studio.Learn more about integrated photonics: https://aimphotonics.academyLearn how integrated photonic chips are made: https://www.aimphotonics.comSign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/how-do-self-driving-cars-see-sajan-saini Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the history and technology of Viking longships, which helped the Scandinavians conquer trade routes and new territories.Uploaded 21-01-20--As the Roman Empire flourished, Scandinavians had small settlements and no central government. Yet by the 11th century, they had spread far from Scandinavia, gaining control of trade routes throughout Europe, conquering kingdoms as far as Africa, and building outposts in North America. What was the secret to their success? Jan Bill dives into the history of the formidable Viking longship.Lesson by Jan Bill, directed by TOTEM Studio.Animator's website: https://www.totemstudio.tvSign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/what-was-so-special-about-viking-ships-jan-billThank you so much to our patrons for your support! Without you this video would not be possible! Marc Bilodeau, Peng, Tzu-Hsiang, paul g mohney, Maya Toll, Sebastian Regez, Bruno Hannud, Andreas Voltios, Shubham Arora, Ugur Doga Sezgin, Akinola Emmanuel, Kyanta Yap, Ricardo Rendon Cepeda, Ana Maria, Benjamin and Shannon Pinder, Ernest Chow, Bela Namyslik, Alan Froese, Anika Westburg, Nick Cozby, Shawar Khan, 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 and Hector Quintanilla. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Follow a queen fire ant as she builds a colony, protects it from neighboring ant armies and fends off would-be usurpers vying for her throne. Uploaded 16-01-20--In the spring, just after a heavy rainfall, male and female fire ants swarm the skies for a day of romance, known as the nuptial flight. Thousands of reproduction-capable ants take part in a mating frenzy, and for one successfully mated female, her work is only beginning. Walter R. Tschinkel details how the new queen builds a colony and protects it from neighboring ant armies.Lesson by Walter R. Tschinkel, directed by Lisa Vertudaches.Animator's website: https://lisavertudaches.com/Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/mating-frenzies-sperm-hoards-and-brood-raids-the-life-of-a-fire-ant-queen-walter-r-tschinkelThank you so much to our patrons for your support! Without you this video would not be possible! Ivan Todorović, Alex Schenkman, Brittiny Elman, Ryohky Araya, Paul Coupe, David Douglass, Ricardo Paredes, Bill Feaver, Eduardo Briceño, Arturo De Leon, Christophe Dessalles, Janie Jackson, Dr Luca Carpinelli, Heather Slater, Yuh Saito, Quentin Le Menez, Mattia Veltri, Fabian Amels, Sandra Tersluisen, PnDAA, Hugo Legorreta, Zhexi Shan, Gustavo Mendoza, Bárbara Nazaré, Josh Engel, Natalia Rico, Andrea Feliz, Eysteinn Guðnason, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Oyuntsengel Tseyen-Oidov, Noel Situ, Elliot Poulin, emily lam, Juan, Jordan Tang, Kent Logan, Alexandra Panzer, Laura Cameron Keith, Jen, Ellen Spertus, Cailin Ramsey, Markus Goldhacker, Leora Allen, Andras Radnothy, Chris, Arpita Singh and Vijayalakshmi. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices