Butterfly Takeoff at 2,000 Frames per Second - Smarter Every Day 79
Jan 23, 2013 23:57:53 #
Jan 24, 2013 09:17:06 #
St3v3M wrote:
http://www.youtube.com/watch?v=GpKcjLzBiGI
Thank you. That was really interesting.
Jan 24, 2013 09:52:03 #
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