Screw and joystick: what they have in common

1. Step 1. Screw — is used in — Screw press. The force is produced by turning a screw.
2. Step 2. Screw press — is part of — Gutenberg printing press. Gutenberg adapted the screw press known from pressing grapes.
3. Step 3. Gutenberg printing press — works like — Printer. A printer is a personal printing press: it transfers an image onto paper.
4. Step 4. Printer — has part — Microcontroller. A controller processes the print job.
5. Step 5. Microcontroller — is part of — Gamepad. A microcontroller polls the buttons.
6. Step 6. Gamepad — evolved from — Joystick. A game controller.

Open Evothings