YouTube optical illusionist master Greeenpro2009 spent hours places small dots on a black and white checkerboard in a certain sequence. He then played the video is reverse slow motion.
The result ’causes us to see the pattern as being warped inward because our eyes/brains pick them up as visual cues.’ The video has been viewed over 100,000 times in just two days, and is featured on YouTubeTrends and Gizmodo.