Gamepad and centrifugal pump: what they have in common

1. Step 1. Gamepad — evolved from — Joystick. A game controller.
2. Step 2. Joystick — is used in — Fly-by-wire. A sidestick controller.
3. Step 3. Fly-by-wire — is used in — Jet airliner. Fly-by-wire.
4. Step 4. Jet airliner — has part — Turbofan. Modern airliners use turbofans.
5. Step 5. Turbofan — has part — Impeller. A fan.
6. Step 6. Impeller — is part of — Centrifugal pump. The impeller accelerates the liquid.

Open Evothings