As the liquid turns to gaseous nitrogen at around -196 C, [The Action Lab] figured that it could be used to propel a simple steam engine at room temperature. Testing this out had amusing results.

The water gas molecules will occupy all the space inside the can since ... Allow several minutes for the water to come to a full boil. Steam must displace the air inside the can; wait until you see a ...

Steam injection is key to increased performance ... and they in turn chill the flow to cool the exhaust gas, turning it into water. The water is centrifuged to the walls of an air-water separator ...