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|Hand vs. Liquid Nitrogen and the Leidenfrost Effect|
"I stick my hand (momentarily) directly into liquid nitrogen but don't suffer any injuries due to the Leidenfrost effect.
The Leidenfrost effect is the formation of a gas barrier between a hot surface and a boiling liquid if the temperature difference is great enough."
A woman plays all parts of the original Star Wars score at once with a sine Electone organ.
|QI - What's The Commonest Metal In The Human Body?|
Do you know? The contest on the always hilarious QI does - and lots more about the elements too.
|What exactly IS Schrödinger's Cat?|
You've probably heard of the famous thought experiment - but this is a very nice explanation on how it actually works.
|Guy Installs Horn from a Navy Destroyer on his car!|
This is a 1940's Doran Cunningham air horn. Usually found on WWII US Navy destroyer ships, and also found on some older ferries. There are only 2 of these that are being used that I know of.
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