Best Inventions of 2008
From a genetic testing service to an invisibility cloak to an ingenious public bike system to the world's first moving skyscraper — here are TIME's picks for the top innovations of 2008
24. Bionic Contacts
The University of Washington's Babak Parviz has created a prototype "bionic" contact lens that creates a display over the wearer's visual field, so images, maps, data, etc., appear to float in midair. The lens works using tiny LEDs, which are powered by solar cells, and a radio-frequency receiver.
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