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This stunning slow motion footage shows how bats use echolocation to find water. We know how bats e… Eugene Nov 4, 2010 91 views
An Open Innovation experiment. I really do hope this comes into effect in the future! Super cool! W… Amy Wong Sep 2, 2010 97 views
Steve Hoefer made a pipe-bomb-looking device that unlocks the door after detecting the secret knock… Dom Bones Nov 10, 2009 128 views
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