10 Photos of Cool Tech Demos at Ted

These onstage demos offer a mind-blowing peek at where technology is taking us.
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    This bold 3D printing technique, unveiled onstage at TED2015, was inspired by Terminator 2 and is up to 100 times faster than traditional 3D printers: http://t.ted.com/BMBOvWC
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    The first demo of a cellphone app that can detect cancer much earlier than most tests -- and before symptoms start: http://t.ted.com/WhrFX9Q
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    A ballroom dancer who lost her left leg in the Boston Marathon bombing performs again for the first time on the TED Stage with a prosthetic designed by the MIT Media Lab’s Biomechatronics group: http://t.ted.com/2WFxz4K
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    The Nanopatch, a one-centimeter-by-one-centimeter square vaccine that can be applied painlessly to the skin -- without needles: http://t.ted.com/TQkvpdK
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    SmartBird, debuted at TEDGlobal 2011, is a large, lightweight robot, modeled after a seagull, that flies by flapping its wings: http://t.ted.com/dabVueV
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    Roboticist Raffaello D'Andrea demos quadcopters, robots that think like athletes and solve physical problems with algorithms that help them learn: http://t.ted.com/vPhBYaS
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    The first demo showing how flickering the light from a single LED can transmit more data than a cellular tower: http://t.ted.com/BQF75xy
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    A drone hummingbird that can fly in all directions, hover, and rotate. This prototype aircraft is also equipped with a video camera and weighs less than one AA battery: http://t.ted.com/VfOr0f8
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    A demo of a phenomenon known as quantum locking, which allows a superconductor disk to float over a magnetic rail — completely frictionlessly and with zero energy loss: http://t.ted.com/QY19etk
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    Femto-photography, a new type of imaging so fast it visualizes the world one trillion frames per second, and so detailed it shows light itself in motion: http://t.ted.com/WDjXJP4