Quote:
Originally Posted by DampRobot
A steam or sterling engine would burn some material which would then heat water. On the other hand, I do like the idea of a pressure change being used to do work as part if the definition. That's probbably a more widely acceptable definition.
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Electricity could be considered a heat scource.
Back in the 1930s/1940s, in Switzerland, the railways put electric heaters in steam locomotive fireboxes, added pantographs, and turned them into short distance, no-pollution shunters. they did this due to the relative abundance of electricity, lack of coal, and long waiting line for a usable electric locomotive design.