The Museum of Unworkable Devices

The quest for perpetual motion has been going on since at least the 11th century according to the Museum of Unworkable Devices, and scientists have been getting it wrong ever since. Take a gander at some of the most valiant efforts (and ultimately the biggest failures) in trying to beat the laws of physics through the last 1000 years, along with other impossible inventions and devices — via Slashdot