Hacker News new | ask | show | jobs
by adoyle 5913 days ago
This is a Fraser spiral - http://en.wikipedia.org/wiki/Fraser_spiral_illusion

Here's another great spiral-based visual system hack - http://www.youtube.com/watch?v=0JVJsPpg1-8
1 comments
rickmode 5913 days ago
My head just exploded.
link