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vnady

Columbia Engineering Professor Invents Video Camera that Runs without a Battery

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  •   vnady · Apr 20, 2015 · 2234 views
    This topic created in 4170 days ago, the information mentioned may be changed or developed.
    http://engineering.columbia.edu/columbia-engineer-invents-video-camera-runs-without-battery
  • invents
  • runs
  • Battery
    1 replies  •  2015-04-21 12:08:00 +08:00
    SmiteChow
        1
    SmiteChow  
       Apr 21, 2015
    只看了一下题目，觉得很nb

    没有电池也一定需要其他能量来处理信号吧？
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