Clifford Pickover tweeted this illusion this morning (and Stuart Antsis' paper analyzing it) and I had to experiment. It's interestingly difficult to get the illusion, and I find my brain getting better at decoding it the more I play.[br]https://twitter.com/pickover/status/934632406174371840[br]https://quote.ucsd.edu/anstislab/files/2012/11/2001-Footsteps-and-inchworms.pdf[br][br]Neat non-digital illustration from Akiyoshi Kotaoki. http://thekidshouldseethis.com/post/the-footstep-illusion-more-optical-tricks-from-akiyoshi-kitaoka

Clifford Pickover [url=https://twitter.com/pickover/status/934632406174371840]tweeted this illusion[/url] this morning (and [url=https://quote.ucsd.edu/anstislab/files/2012/11/2001-Footsteps-and-inchworms.pdf]Stuart Antsis' paper[/url] analyzing it) and I had to experiment. It's interestingly difficult to get the illusion, and I find my brain getting better at decoding it the more I play.[br][br]Neat [url=http://thekidshouldseethis.com/post/the-footstep-illusion-more-optical-tricks-from-akiyoshi-kitaoka]non-digital illustration[/url] from Akiyoshi Kotaoki.

Clifford Pickover [url=https://twitter.com/pickover/status/934632406174371840]tweeted this illusion[/url] this morning (and [url=https://quote.ucsd.edu/anstislab/files/2012/11/2001-Footsteps-and-inchworms.pdf]Stuart Antsis' paper[/url] analyzing it) and I had to experiment. It's interestingly difficult to get the illusion, and I find my brain getting better at decoding it the more I play.[br][br]Neat [url=http://thekidshouldseethis.com/post/the-footstep-illusion-more-optical-tricks-from-akiyoshi-kitaoka]non-digital illustration[/url] from Akiyoshi Kotaoki.

Clifford Pickover [url=https://twitter.com/pickover/status/934632406174371840]tweeted this illusion[/url] this morning (and [url=https://quote.ucsd.edu/anstislab/files/2012/11/2001-Footsteps-and-inchworms.pdf]Stuart Antsis' paper[/url] analyzing it) and I had to experiment. It's interestingly difficult to get the illusion, and I find my brain getting better at decoding it the more I play.[br][br]Neat [url=http://thekidshouldseethis.com/post/the-footstep-illusion-more-optical-tricks-from-akiyoshi-kitaoka]non-digital illustration[/url] from Akiyoshi Kotaoki.