The largest nuclear bomb, the Czar, was built by the Russians as a part of the Cold War race for arms.

Nina Kulagina was recruited by Soviet authorities as a telekenetic agent, creating actual energy fields according to some accounts. She was tested in stopping a beating heart - freaky!

Watch this awesome physics experiment: the Rubens Tube - standing fire waves. A great example of sound visualization.

It's easier than you think

how to build a more powerful tazer out of a disposable camera

all you need is a plastic bottle and a nickel