Is the dancer spinning clockwise or counterclockwise? An optical illusion. [more inside]
Interested in video game emulators? Yearning for the games of yesteryear? There is probably an emulator for any 'classic' game that you could wish to play. General arcade emulators, SNES, NES, Genesis, Atari 2600, et al. For the truly curious, listen to the story of the emulator that almost was, Silhouette, the emulator Nintendo almost released.