Michaux velocipede and payment card: what they have in common

1. Step 1. Michaux velocipede — has part — Crank. Cranks on the wheel axle.
2. Step 2. Crank — is part of — Arithmometer. The handle for adding and subtracting.
3. Step 3. Arithmometer — evolved into — Electronic calculator. Electronics replaced mechanics.
4. Step 4. Electronic calculator — has part — Integrated circuit. A chip.
5. Step 5. Integrated circuit — is part of — Payment card. An EMV chip.

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