Ice bucket chalenge with Liquid Nitrogen, Must See!

You have probably heard for Ice Bucket challenge. The Ice Bucket Challenge, sometimes called the ALS Ice Bucket Challenge, is an activity involving dumping a bucket of ice water on someone’s head to promote awareness of the disease amyotrophic lateral sclerosis (ALS) and encourage donations to research.This sensation of tipping a bucket of ice water over your head has spread all over the world with an amazing speed. But these Russians have gone one huge step forward.

According to this video this man is pouring over himself a bucket full of liquid nitrogen! Just to mention, the temperature of liquid nitrogen is -196 degrees celsius!

You are probably wondering now how is this possible, how is he not freezed in a moment? Well the science has an answer to that question. The so called “Leidenfrost effect” can give us explanation. According to Wikipedia The Leidenfrost effect is a phenomenon in which a liquid, in near contact with a mass significantly hotter than the liquid’s boiling point, produces an insulating vapor layer keeping that liquid from boiling rapidly”.

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