13 maio 2010

Ilusão de óptica, certamente

Best Visual Illusion Of 2010 Defies Gravity: Japanese scientist Kokichi Sugihara claimed to have discovered a technology that every sixth grader knows to be impossible: a magnet that attracts wood. In front of a crowd of hundreds, he played a video showing four wooden balls rolling up four ramps, supposedly pulled uphill by his new super-magnet.

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