Handle wedge und heat pump: was sie gemeinsam haben

1. Schritt 1. Handle wedge — ist Teil von — Hammer. It wedges the handle in the eye.
2. Schritt 2. Hammer — entwickelte sich zu — Steam hammer. A steam hammer is a hammer lifted by steam, used to forge huge parts.
3. Schritt 3. Steam hammer — hat als Teil — Zylinder. A steam cylinder.
4. Schritt 4. Zylinder — ist Teil von — Watt steam engine. Steam works in the cylinder.
5. Schritt 5. Watt steam engine — inspirierte — Thermodynamics. Carnot wrote “Reflections on the Motive Power of Fire” trying to understand steam engines.
6. Schritt 6. Thermodynamics — wird verwendet in — Heat pump. A heat pump moves heat from cold to warm by spending work — by the laws of thermodynamics.

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