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Holy crap! This guy is brilliant at doing demos! http://youtu.be/w2itwFJCgFQ Who doesn’t want a #quadcopter now? It is #mathematical!
(original)
Holy crap! This guy is brilliant at doing demos! http://youtu.be/w2itwFJCgFQ Who doesn’t want a #quadcopter now? It is #mathematical!
(original)