Wrote Kathryn Schulz, "Maybe the best optical illusion I've ever seen; definitely the one most likely to make you queasy."
I won't argue.
Note that it's not an animated GIF; whatever appears to be happening on the screen is, in fact, happening inside your head.
Gives pause for thought about whether there is, in fact, a world outside the one each of us creates for ourselves.
[via @bengoldacre]
(Via bookofjoe)
