A Martian came across the fields about midday, laying the stuff with a jet of superheated steam that hissed against the walls, smashed all the windows it touched, and scalded the curate’s hand as he fled out of the front room.
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They want to produce electricity by using geothermal energy to cycle water that would be superheated and drive a turbine.
The space shuttle was damaged when superheated gases generated during reentry entered the ship through a breach in the insulation.