Zhang Heng’s seismoscope e turbine: o que têm em comum

1. Passo 1. Zhang Heng’s seismoscope — utiliza — Pendulum. An internal pendulum (according to reconstructions).
2. Passo 2. Pendulum — utiliza — Newton’s laws. The swing is described by Newtonian mechanics.
3. Passo 3. Newton’s laws — inclui — Reaction force. Reaction is Newton’s third law.
4. Passo 4. Reaction force — é utilizado em — Heron’s aeolipile. Jets of steam spin the ball by reaction force.
5. Passo 5. Heron’s aeolipile — evoluiu para — Turbine. The aeolipile is the oldest ancestor of the steam turbine.

Abrir Evothings