Zhang Heng’s seismoscope und turbine: was sie gemeinsam haben

1. Schritt 1. Zhang Heng’s seismoscope — nutzt — Pendulum. An internal pendulum (according to reconstructions).
2. Schritt 2. Pendulum — nutzt — Newton’s laws. The swing is described by Newtonian mechanics.
3. Schritt 3. Newton’s laws — umfasst — Reaction force. Reaction is Newton’s third law.
4. Schritt 4. Reaction force — wird verwendet in — Heron’s aeolipile. Jets of steam spin the ball by reaction force.
5. Schritt 5. Heron’s aeolipile — entwickelte sich zu — Turbine. The aeolipile is the oldest ancestor of the steam turbine.

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