AnnMarie Thomas: Hands-on science with squishy circuits

TED2011

AnnMarie Thomas: Hands-on science with squishy circuits


In a zippy demo at TED U, AnnMarie Thomas shows how two different kinds of homemade play dough can be used to demonstrate electrical properties -- by lighting up LEDs, spinning motors, and turning little kids into circuit designers.

Eric Whitacre: A virtual choir 2,000 voices strong

TED2011

Eric Whitacre: A virtual choir 2,000 voices strong


In a moving and madly viral video last year, composer Eric Whitacre led a virtual choir of singers from around the world. He talks through the creative challenges of making music powered by YouTube, and unveils the first 2 minutes of his new work, "Sleep," with a video choir of 2,052. The full piece premiered a few weeks later (yes, on YouTube!).

Sebastian Thrun: Google's driverless car

TED2011

Sebastian Thrun: Google's driverless car


Sebastian Thrun helped build Google's amazing driverless car, powered by a very personal quest to save lives and reduce traffic accidents. Jawdropping video shows the DARPA Challenge-winning car motoring through busy city traffic with no one behind the wheel, and dramatic test drive footage from TED2011 demonstrates how fast the thing can really go.

Handspring Puppet Co.: The genius puppetry behind War Horse

TED2011

Handspring Puppet Co.: The genius puppetry behind War Horse


"Puppets always have to try to be alive," says Adrian Kohler of the Handspring Puppet Company, a gloriously ambitious troupe of human and wooden actors. Beginning with the tale of a hyena's subtle paw, puppeteers Kohler and Basil Jones build to the story of their latest astonishment: the wonderfully life-like Joey, the War Horse, who trots (and gallops) convincingly onto the TED stage.

Ralph Langner: Cracking Stuxnet, a 21st-century cyber weapon

TED2011

Ralph Langner: Cracking Stuxnet, a 21st-century cyber weapon


When first discovered in 2010, the Stuxnet computer worm posed a baffling puzzle. Beyond its sophistication loomed a more troubling mystery: its purpose. Ralph Langner and team helped crack the code that revealed this digital warhead's final target. In a fascinating look inside cyber-forensics, he explains how -- and makes a bold (and, it turns out, correct) guess at its shocking origins.

Patricia Ryan: Don't insist on English!

TEDxDubai

Patricia Ryan: Don't insist on English!


In her talk, longtime English teacher Patricia Ryan asks a provocative question: Is the world's focus on English preventing the spread of great ideas in other languages? (For instance: what if Einstein had to pass the TOEFL?) It's a passionate defense of translating and sharing ideas. (Filmed at TEDxDubai.)

Claron McFadden: Singing the primal mystery

TEDxAmsterdam

Claron McFadden: Singing the primal mystery


"The human voice: mysterious, spontaneous, primal." With these words, soprano Claron McFadden invites us to explore the mysteries of breathing and singing, as she performs the challenging "Aria," by John Cage. (Filmed at TEDxAmsterdam.)

Eythor Bender: Human exoskeletons -- for war and healing

TED2011

Eythor Bender: Human exoskeletons -- for war and healing


Eythor Bender of Berkeley Bionics brings onstage two amazing exoskeletons, HULC and eLEGS -- robotic add-ons that could one day allow a human to carry 200 pounds without tiring, or allow a wheelchair user to stand and walk. It's a powerful onstage demo, with implications for human potential of all kinds.

Isabel Behncke: Evolution's gift of play, from bonobo apes to humans

TED2011

Isabel Behncke: Evolution's gift of play, from bonobo apes to humans


With never-before-seen video, primatologist Isabel Behncke Izquierdo (a TED Fellow) shows how bonobo ape society learns from constantly playing -- solo, with friends, even as a prelude to sex. Indeed, play appears to be the bonobos' key to problem-solving and avoiding conflict. If it works for our close cousins, why not for us?

Hans Rosling: The magic washing machine

TEDWomen 2010

Hans Rosling: The magic washing machine


What was the greatest invention of the industrial revolution? Hans Rosling makes the case for the washing machine. With newly designed graphics from Gapminder, Rosling shows us the magic that pops up when economic growth and electricity turn a boring wash day into an intellectual day of reading.

Sarah Kay: If I should have a daughter ...

TED2011

Sarah Kay: If I should have a daughter ...


"If I should have a daughter, instead of Mom, she's gonna call me Point B ... " began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed teenager soaking in verse at New York's Bowery Poetry Club to a teacher connecting kids with the power of self-expression through Project V.O.I.C.E. -- and gives two breathtaking performances of "B" and "Hiroshima."

Rogier van der Heide: Why light needs darkness

TEDxAmsterdam

Rogier van der Heide: Why light needs darkness


Lighting architect Rogier van der Heide offers a beautiful new way to look at the world -- by paying attention to light (and to darkness). Examples from classic buildings illustrate a deeply thought-out vision of the play of light around us. (Filmed at TEDxAmsterdam.)

Janna Levin: The sound the universe makes

TED2011

Janna Levin: The sound the universe makes


We think of space as a silent place. But physicist Janna Levin says the universe has a soundtrack -- a sonic composition that records some of the most dramatic events in outer space. (Black holes, for instance, bang on spacetime like a drum.) An accessible and mind-expanding soundwalk through the universe.

David Brooks: The social animal

TED2011

David Brooks: The social animal


Columnist David Brooks unpacks new insights into human nature from the cognitive sciences -- insights with massive implications for economics and politics as well as our own self-knowledge. In a talk full of humor, he shows how you can't hope to understand humans as separate individuals making choices based on their conscious awareness.

Rob Harmon: How the market can keep streams flowing

TEDxRainier

Rob Harmon: How the market can keep streams flowing


With streams and rivers drying up because of over-usage, Rob Harmon has implemented an ingenious market mechanism to bring back the water. Farmers and beer companies find their fates intertwined in the intriguing century-old tale of Prickly Pear Creek. (Filmed at TEDxRainier.)

Deb Roy: The birth of a word

TED2011

Deb Roy: The birth of a word


MIT researcher Deb Roy wanted to understand how his infant son learned language -- so he wired up his house with videocameras to catch every moment (with exceptions) of his son's life, then parsed 90,000 hours of home video to watch "gaaaa" slowly turn into "water." Astonishing, data-rich research with deep implications for how we learn.

Eli Pariser: Beware online "filter bubbles"

TED2011

Eli Pariser: Beware online "filter bubbles"


As web companies strive to tailor their services (including news and search results) to our personal tastes, there's a dangerous unintended consequence: We get trapped in a "filter bubble" and don't get exposed to information that could challenge or broaden our worldview. Eli Pariser argues powerfully that this will ultimately prove to be bad for us and bad for democracy.

Salman Khan: Let's use video to reinvent education

TED2011

Salman Khan: Let's use video to reinvent education


Salman Khan talks about how and why he created the remarkable Khan Academy, a carefully structured series of educational videos offering complete curricula in math and, now, other subjects. He shows the power of interactive exercises, and calls for teachers to consider flipping the traditional classroom script -- give students video lectures to watch at home, and do "homework" in the classroom with the teacher available to help.

Courtney Martin: This isn't her mother's feminism

TEDWomen 2010

Courtney Martin: This isn't her mother's feminism


Blogger Courtney Martin examines the perennially loaded word "feminism" in this personal and heartfelt talk. She talks through the three essential paradoxes of her generation's quest to define the term for themselves.

Anthony Atala: Printing a human kidney

TED2011

Anthony Atala: Printing a human kidney


Surgeon Anthony Atala demonstrates an early-stage experiment that could someday solve the organ-donor problem: a 3D printer that uses living cells to output a transplantable kidney. Using similar technology, Dr. Atala's young patient Luke Massella received an engineered bladder 10 years ago; we meet him onstage.

Bill Gates: How state budgets are breaking US schools

TED2011

Bill Gates: How state budgets are breaking US schools


America's school systems are funded by the 50 states. In this fiery talk, Bill Gates says that state budgets are riddled with accounting tricks that disguise the true cost of health care and pensions and weighted with worsening deficits -- with the financing of education at the losing end.

Wael Ghonim: Inside the Egyptian revolution

TED2011

Wael Ghonim: Inside the Egyptian revolution


Wael Ghonim is the Google executive who helped jumpstart Egypt's democratic revolution ... with a Facebook page memorializing a victim of the regime's violence. Speaking at TEDxCairo, he tells the inside story of the past two months, when everyday Egyptians showed that "the power of the people is stronger than the people in power."

JR: My wish: Use art to turn the world inside out

TED2011

JR: My wish: Use art to turn the world inside out


JR, a semi-anonymous French street artist, uses his camera to show the world its true face, by pasting photos of the human face across massive canvases. At TED2011, he makes his audacious TED Prize wish: to use art to turn the world inside out. Learn more about his work and learn how you can join in at insideoutproject.net.

Wadah Khanfar: A historic moment in the Arab world

TED2011

Wadah Khanfar: A historic moment in the Arab world


As a democratic revolution led by tech-empowered young people sweeps the Arab world, Wadah Khanfar, the head of Al Jazeera, shares a profoundly optimistic view of what's happening in Egypt, Tunisia, Libya and beyond -- at this powerful moment when people realized they could step out of their houses and ask for change.

Ahn Trio: A modern take on piano, violin, cello

TEDWomen 2010

Ahn Trio: A modern take on piano, violin, cello


The three Ahn sisters (cellist Maria, pianist Lucia, violinist Angella) breathe new life into the piano trio with their passionate musicmaking. At TEDWomen, they start with the bright and poppy "Skylife," by David Balakrishnan, then play a gorgeous, slinky version of "Oblivion," by Astor Piazzolla.

Danny Hillis: Understanding cancer through proteomics

TEDMED 2010

Danny Hillis: Understanding cancer through proteomics


Danny Hills makes a case for the next frontier of cancer research: proteomics, the study of proteins in the body. As Hillis explains it, genomics shows us a list of the ingredients of the body -- while proteomics shows us what those ingredients produce. Understanding what's going on in your body at the protein level may lead to a new understanding of how cancer happens.

Elizabeth Lindsey: Curating humanity's heritage

TEDWomen 2010

Elizabeth Lindsey: Curating humanity's heritage


It's been said that when an elder dies, it's as if a library is burned. Anthropologist Elizabeth Lindsey, a National Geographic Fellow, collects the deep cultural knowledge passed down as stories and lore.

Iain Hutchison: Saving faces: A facial surgeon's craft

TEDGlobal 2010

Iain Hutchison: Saving faces: A facial surgeon's craft


Maxillofacial surgeon Iain Hutchison works with people whose faces have been severely disfigured. By pushing to improve surgical techniques, he helps to improve their lives; and by commissioning their portraits, he celebrates their humanity. NOTE: This talk contains images of disfigured and badly injured faces that may be disturbing -- and Hutchison provides thoughtful answers as to why a disfigured face can shock us so deeply. Squeamish? Hide your screen from 12:10 - 13:19, but do keep listening. Portraits shown in this talk come from Mark Gilbert.