Power loom and heat pump: what they have in common

1. Step 1. Power loom — has part — Watt steam engine. Driven by a steam engine.
2. Step 2. Watt steam engine — inspired — Thermodynamics. Carnot wrote “Reflections on the Motive Power of Fire” trying to understand steam engines.
3. Step 3. Thermodynamics — is used in — Heat pump. A heat pump moves heat from cold to warm by spending work — by the laws of thermodynamics.

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