Inverter and boyle’s air pump: what they have in common

1. Step 1. Inverter — is part of — Electric car. An inverter powers the traction motor.
2. Step 2. Electric car — has part — Induction motor. The Tesla Model S had an induction motor.
3. Step 3. Induction motor — has part — Stator. The windings create a rotating field.
4. Step 4. Stator — is part of — Vacuum pump. A cylindrical chamber.
5. Step 5. Vacuum pump — evolved into — Boyle’s air pump. An improved version of Guericke’s pump.

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