Whistle edge e mechanical clock: o que têm em comum

1. Passo 1. Whistle edge — faz parte de — Whistle. A sharp edge that splits the air stream.
2. Passo 2. Whistle — utiliza — Resonance. Resonance of the chamber.
3. Passo 3. Resonance — é utilizado em — Quartz clock. Resonance of the crystal.
4. Passo 4. Quartz clock — evoluiu de — Mechanical clock. Quartz clocks replaced mechanical ones: a vibrating quartz crystal took the place of the pendulum and balance.

Abrir Evothings