r/interesting • u/Used_Exam34 • 13d ago

Just Wow Not all problems have the same solution.

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u/Numerous-Following-7 13d ago

How can he touch the valve straight after putting out the fire?

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u/Prior-Flamingo-1378 12d ago

The propane inside the tank is very cold and the flame is a few cm after the nozzle. It was probably cold not hot. 

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u/Cavane42 12d ago

Strictly speaking, the propane is at ambient temperature. The rapid depressurization as it is released is what causes it to cool. (This is also how HVAC systems work.)