I used to have a high quality printout of the rotating snakes illusion by my desk. I had people who refused to be at my desk because it creeped them out that t

I used to have a high quality printout of the rotating snakes illusion by my desk. I had people who refused to be at my desk because it creeped them out that they absolutely knew the paper couldn't be moving, but their brains kept seeing the snakes rotate.