Carbonated water and atomic clock: what they have in common

1. Step 1. Carbonated water — is used in — Soda siphon. Soda water.
2. Step 2. Soda siphon — has part — Valve. A valve.
3. Step 3. Valve — is part of — Valve trumpet. Valves.
4. Step 4. Valve trumpet — uses — Resonance. Resonance of the tube.
5. Step 5. Resonance — is used in — Quartz clock. Resonance of the crystal.
6. Step 6. Quartz clock — evolved into — Atomic clock. The quartz oscillator is tuned to an atomic standard.

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