Internet of things e mechanical clock: o que têm em comum

1. Passo 1. Internet of things — utiliza — Internet. Connecting to the network.
2. Passo 2. Internet — é feito de — Silica (sand). The backbones are silica optical fibre.
3. Passo 3. Silica (sand) — é material para — Quartz clock. The resonator is a quartz 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.

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