Carnegie Mellon students hacked the Xbox Kinect controller to create a program that translates your air punches near someone into comic book-style POWs and WHAMs. Who needs to worry about tomorrow's big unemployment report? I think this video proves that the world really is getting better. The group posted a detailed explanation of how they did it.
Via @MoneyRies.
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Alexis C. Madrigal is a staff writer at The Atlantic and the author of Powering the Dream: The History and Promise of Green Technology.