This illusion is called lilac chaser, or the Pac-Man illusion. If you stare at the cross for 20 seconds or so, the disks begin to disappear. (It won’t work on your page if your theme resizes pictures.)
This is mental - Click here to see it working.
This illusion is called lilac chaser, or the Pac-Man illusion. If you stare at the cross for 20 seconds or so, the disks begin to disappear. (It won’t work on your page if your theme resizes pictures.)
This is mental - Click here to see it working.
