Freezing follies

Fun things to do with liquid nitrogen. Physics is cool.

Freeze a can of shaving cream and then peel the can away from the
cream. Put the canless cream into someone's car. Let the oven-like
heat from the car's sitting in the sun defrost the shaving cream.
2 cans will fill an entire car. (Coulter C. Henry,Jr.)

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(via Electrolite)