# perpetual motion machine of the second kind

> hypothetical machine that produces work using heat from the surroundings (at low temperature) as source of energy, violating the second law of thermodynamics

**Wikidata**: [Q113130074](https://www.wikidata.org/wiki/Q113130074)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Perpetual_motion_machine_of_the_second_kind)  
**Source**: https://4ort.xyz/entity/perpetual-motion-machine-of-the-second-kind