CPU cooler and CNC machine: what they have in common

1. Step 1. CPU cooler — is part of — Personal computer. A cooler.
2. Step 2. Personal computer — has part — Hard disk drive. A hard disk.
3. Step 3. Hard disk drive — is made of — Cobalt. The magnetic layer is a cobalt alloy.
4. Step 4. Cobalt — is material for — Cemented carbide. A cobalt binder.
5. Step 5. Cemented carbide — is used in — Milling machine. Milling cutters.
6. Step 6. Milling machine — evolved into — CNC machine. The first CNC machines were milling machines (MIT, 1952).

Open Evothings