Sometimes you see a demonstration for something seemingly impossible that is a bit mind bending in the simplicity and elegance of the solution.

In the following two videos, you'll see how you can safely transport a computer without interrupting the power or shutting it off as well as dispelling the myth of RAM memory loosing contents as soon as the power is cut leading to the ultimate downfall of whole disc encryption.

These techniques demonstrate that for every difficult problem there's a simplistic answer.

WiebeTech HotPlug demonstration
Princeton University demos cold shot RAM scraping.