Technology

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Bill Gates on energy: Innovating to zero! | Video on TED.com

Eric Topol: The wireless future of medicine | Video on TED.com

Blaise Aguera y Arcas demos augmented-reality maps | Video on TED.com

Dean Kamen: The emotion behind invention | Video on TED.com

Eric Giler demos wireless electricity | Video on TED.com

Josh Silver demos adjustable liquid-filled eyeglasses | Video on TED.com

William Kamkwamba: How I harnessed the wind | Video on TED.com

Marcus du Sautoy: Symmetry, reality's riddle | Video on TED.com

Steve Jurvetson on model rocketry | Video on TED.com

Nick Sears demos the Orb | Video on TED.com

Theo Jansen creates new creatures | Video on TED.com

Will Wright makes toys that make worlds | Video on TED.com

Adam Grosser and his sustainable fridge | Video on TED.com

Ueli Gegenschatz soars in a wingsuit | Video on TED.com

Anand Agarawala demos BumpTop | Video on TED.com

Blaise Aguera y Arcas demos Photosynth | Video on TED.com

Paul Debevec animates a photo-real digital face | Video on TED.com

Dean Kamen previews a new prosthetic arm | Video on TED.com

Caleb Chung plays with Pleo | Video on TED.com

Rachel Armstrong: Architecture that repairs itself? | Video on TED.com

Hod Lipson builds "self-aware" robots | Video on TED.com

Johnny Lee demos Wii Remote hacks | Video on TED.com

David Merrill demos Siftables | Video on TED.com

John La Grou plugs smart power outlets | Video on TED.com

Robert Lang folds way-new origami | Video on TED.com

David Pogue on cool phone tricks | Video on TED.com