I swear these illusions aren't moving. Your brain will say otherwise.

Y'all know how much I love illusions and what they tell us about the way our brains are wired. I have one for you that's really good, but I feel I should warn you: It might make you a little nauseated; it gives an illusory sense of motion to fixed patterns. I did quite a bit of reading for this and looked at a lot of versions of it, and afterwards felt decently queasy. Mind you I'm sensitive to motion sickness (reading in a car makes me feel seriously ooky), but on the other hand I was having si...