Real story Bashny.Net

In our laboratory tested for beginners knowledge of physics in this way: take a Dewar flask containing liquid nitrogen. And he temperature -193 degrees. Puts to the rubber tube.
 After a few seconds it freezes, it is taken out and beaten with a hammer. Tube to pieces! Then one person Dewar tips, and the other is washing his hands of the fluid. It is quite safe.
 Between the skin and the liquid nitrogen is a gas layer, so the mud is washed off and got frozen, and his hands are safe.
 Losers So one saw it and did not understand, decided to show off.
 He gathered his friends, such as "experts in physics," and argued that pee in the Dewar.
 He shoved his cock in the neck, but as soon as he began to piss, liquid nitrogen boiled and splashed with urine frozen back.
 Member of the poor guy instantly found himself in the ice crust. He tried it otkolupnut and otkolupnul with the member. Member fell to the floor and shattered. Thus it back and sewn ...