How To Make Poor Mans Liquid Nitrogen

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Liquid nitrogen is great and we constantly get asked by our YouTube viewers where they can get their own from. The answer for most people is that they wont .\r
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7 tricks with liquid nitrogen that you could try at your next party, but probably shouldnt! Thanks to Audible.com for supporting these projects! Try Audible with a .\r
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This liquid nitrogen generator uses a Stirling-cycle cryocooler that was pulled from a cellular phone tower. It was used to cool a superconducting RF filter that .