s. Herr lost both legs in a climbing accident 30 years ago; now, as the head of the MIT Media Lab's Biomechatronics group, he shows his incredible technology in a talk that's both technical and deeply personal — with the help of ballroom dancer Adrianne Haslet-Davis, who lost her left leg in the 2013 Boston Marathon bombing, and performs again for the first time on the TED stage.
Pen spinning is a form of object manipulation that involves the deft manipulation of a writing instrument with one's hands. Although it is often considered a form of self-entertainment (usually in a school/office setting), multinational competitions and meetings are sometimes held. See this epic spinning from pen spinners: Ian Jenson and PPM.
BULBING(on kickstarter) is a 2D LED lamp, using 3D wire-frame images and transferring them onto 2D materials, to create functional and delicate design pieces. The base, is made from plywood birch. And the light is LED, with a lifespan of 50,000 hours and a warm glow.