Aikido is a modern, non-aggressive Japanese martial art developed early in the 20th century by Morihei Ueshiba. Here is a compilation of clips featuring a bunch of guys you probably wouldn't want to get into a fight with. Play now!
This is a tape of a lecture on the use of perspective by Giotto in the early Rennaissance...just kidding, it's CRASHES! WHOOOOOO! Play now!