Heat pump et screw press : ce qu'ils ont en commun

1. Étape 1. Heat pump — utilise — Thermodynamics. A heat pump moves heat from cold to warm by spending work — by the laws of thermodynamics.
2. Étape 2. Thermodynamics — a été inspiré par — Watt steam engine. Carnot wrote “Reflections on the Motive Power of Fire” trying to understand steam engines.
3. Étape 3. Watt steam engine — fait partie de — Rotary printing press. The first rotary presses were steam-driven.
4. Étape 4. Rotary printing press — a évolué de — Gutenberg printing press. Cylinders instead of a flat press.
5. Étape 5. Gutenberg printing press — a pour partie — Screw press. Gutenberg adapted the screw press known from pressing grapes.

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