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So, I’ve been reading up on Bluefors Cryocooler Technologies Inc. lately, and it’s pretty interesting stuff. They’re a big deal in the world of super cold technology, the kind you need for things like ...
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Making liquid air

A cryocooler might sound fancy, but it just gets really cold. What I think is really cool about it thought, is that you can actually use it to turn air into a liquid.
A word of caution if you’re planning to try this cryocooler method for making liquid nitrogen: not only does it involve toxic and flammable gasses and pressures high enough to turn the works into a ...