A science teacher freezes a fish in liquid nitrogen, then stuck it in water to reanimate it. This is all possible due to something called the Leidenfrost Effect: The Leidenfrost effect is a natural phenomenon in which a liquid, (in this case liquid nitrogen), contacts with a surface that is significantly hotter than the liquid’s boiling point, producing an insulating vapor layer which keeps that liquid from boiling rapidly. This layer of vapor causes water droplets to skitter across the surfac
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