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German-American game developer Ralph Baer shows the prototype of the first games console which was invented by him during a press conference on the Games Convention Online in Leipzig, Germany in 2009. Baer died on Saturday. He was 92. Jens Wolf /DPA /Landov hide caption

itoggle caption Jens Wolf /DPA /Landov

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Kiva robots maneuver around one of Amazon's newest distribution centers on Sunday in Tracy, Calif. Brandon Bailey/AP hide caption

itoggle caption Brandon Bailey/AP

International Space Station Commander Barry "Butch" Wilmore holds up the first object made in space with 3-D printing on Nov. 25. NASA hide caption

itoggle caption NASA

New York data blogger Ben Wellington sits next to a fire hydrant Sunday in Brooklyn, N.Y. His investigation into the city's parking ticket data found that two Lower Manhattan hydrants on consecutive blocks in Manhattan generated $55,000 a year for the city — off of cars that appeared to be parked legally. RIchard Villa/OZY hide caption

itoggle caption RIchard Villa/OZY

Isabelle Olsson, the lead designer of Google Glass, says she is encouraging more women to enter the tech industry — not just as designers, but in all capacities. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images

The SmartMat is a responsive yoga mat that seeks to improve one's yoga practice. Microsensors embedded in the mat record and provide adjustments to the user in real time. Courtesy of SmartMat hide caption

itoggle caption Courtesy of SmartMat

David Roberts says the Cyber-Enhanced Working Dog harness will allow humans to monitor dogs' physical and emotional states remotely, such as in search and rescue operations. Becky Kirkland/North Carolina State University hide caption

itoggle caption Becky Kirkland/North Carolina State University

Justin Nagelberg uses the Sa umbrella in New York City. By replacing the metal skeleton with two canopies, the design is lighter and has more headroom. Courtesy of Justin Nagelberg hide caption

itoggle caption Courtesy of Justin Nagelberg

In the early days, Walter Isaacson says, computers were "big ol' things with vacuum tubes" that took up entire rooms. For example, the electric analog computer named ANACOM (shown here in 1950 at Caltech) weighed 6,000 pounds and filled 13 cabinets. AP hide caption

itoggle caption AP