Microsoft researcher Hrvoje Benko shows off how to use an omni-directional projector, one of 13 up-and-coming technologies on display at the Microsoft Research TechFair at the Newseum Wednesday. Hundreds of representatives from businesses and government agencies attended, viewing technologies with applications ranging from detecting robot-generated spamming attacks to text messaging vocally while driving. Using pinching hand motions in front of the Microsoft-designed projector, Benko zoomed in and out on WorldWide Telescope images displayed on a 360-degree screen inside a light-proof dome.

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