chinman.com
Public Zone 公開區 => General Topics 綜合題目 => Topic started by: q on 16 December 2013, 17:18:19
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Here is a cool video of some optical illusions with good explanation of how it ticks our brain:
http://www.slate.com/blogs/bad_astronomy/2013/12/15/optical_illusion_motion_using_vertical_slits.html
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Interesting, and funny...