Screw press and atomic clock: what they have in common

1. Step 1. Screw press — is part of — Gutenberg printing press. Gutenberg adapted the screw press known from pressing grapes.
2. Step 2. Gutenberg printing press — uses — Ink. An impression needs ink; Gutenberg used an oil-based one.
3. Step 3. Ink — is used in — Inkjet printer. Ink.
4. Step 4. Inkjet printer — uses — Piezoelectric effect. Piezo heads eject droplets.
5. Step 5. Piezoelectric effect — is used in — Quartz clock. The quartz resonator vibrates thanks to the piezoelectric effect.
6. Step 6. Quartz clock — evolved into — Atomic clock. The quartz oscillator is tuned to an atomic standard.

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