Power bank and Babbage’s Analytical Engine: what they have in common
- Step 1. Power bank — has part — Lithium-ion battery. A battery.
- Step 2. Lithium-ion battery — is part of — Exoskeleton. A battery.
- Step 3. Exoskeleton — has part — Servomotor. Joint actuators.
- Step 4. Servomotor — is part of — 3D printer. Stepper motors.
- Step 5. 3D printer — uses — Program control of a machine. The layers are set by a program (G-code), as with CNC.
- Step 6. Program control of a machine — is used in — Babbage’s Analytical Engine. The first concept of a general-purpose machine controlled by a program.