Source: Epic Humor
Stashed in: gifs, Math!, Impossibru!, Dafuq?, Perfect GIFs!!!, Rube Goldberg Machines!
Impossible shape, but that's how this marble rolls.
More mesmerizing than the blue ball machine: http://pandawhale.com/convo/5308/blue-ball-machine-animated-gif
I'm Christina Aguilera and I approve this message.
Basic DC Motor using Magnets gif
Everyone needs two naps per day. ~Elisha Cuthbert
Endless Handplant gif