Centrifugal effect and smartphone: what they have in common

1. Step 1. Centrifugal effect — is used in — Centrifugal governor. The weights spread apart as the speed rises.
2. Step 2. Centrifugal governor — evolved into — Cruise control. Early systems were a development of the centrifugal governor.
3. Step 3. Cruise control — is used in — Self-driving car. Adaptive cruise control is a step towards autonomy.
4. Step 4. Self-driving car — has part — GPS (satellite navigation). Satellite navigation.
5. Step 5. GPS (satellite navigation) — is part of — Smartphone. A satellite navigation receiver.

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