Vessel with an outflow hole e turbine: o que têm em comum

1. Passo 1. Vessel with an outflow hole — faz parte de — Water clock (clepsydra). Water flows out at a nearly constant rate.
2. Passo 2. Water clock (clepsydra) — evoluiu para — Mechanical clock. Mechanical clocks replaced water clocks, swapping the flow of water for an escapement.
3. Passo 3. Mechanical clock — faz parte de — Parking meter. A clock mechanism.
4. Passo 4. Parking meter — evoluiu de — Vending machine. A payment machine.
5. Passo 5. Vending machine — foi inspirado por — Heron’s aeolipile. Heron described both a holy-water dispenser and the aeolipile; the dispenser is the prototype of the vending machine.
6. Passo 6. Heron’s aeolipile — evoluiu para — Turbine. The aeolipile is the oldest ancestor of the steam turbine.

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