Internet of things and mechanical clock: what they have in common

1. Step 1. Internet of things — uses — Internet. Connecting to the network.
2. Step 2. Internet — is made of — Silica (sand). The backbones are silica optical fibre.
3. Step 3. Silica (sand) — is material for — Quartz clock. The resonator is a quartz crystal.
4. Step 4. Quartz clock — evolved from — Mechanical clock. Quartz clocks replaced mechanical ones: a vibrating quartz crystal took the place of the pendulum and balance.

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