1001 things to do with Liquid Nitrogen

[syntonic-comma.livejournal.com]

Not really 1001 things to do with Liquid Nitrogen, but quite a few besides frozen confections, including....

"LN2 also works great for sweeping and cleaning hard floors such as concrete or wood. Get a couple liters in a container, and dump it on the floor in the direction you want the debris to travel. It picks up everything in its wave and if it hits a wall, the wave will boil off and deposit the junk there. Now all you have to do is go around the perimeter and sweep up the clutter."

"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."