Yo-yo and CNC machine: what they have in common

1. Step 1. Yo-yo — has part — Rope. A thread.
2. Step 2. Rope — is part of — Lathe. The bowstring wraps around the workpiece and turns it.
3. Step 3. Lathe — evolved into — Screw-cutting lathe. Maudslay added a lead screw and a slide rest.
4. Step 4. Screw-cutting lathe — has part — Lead screw. The lead screw moves the cutting tool.
5. Step 5. Lead screw — is part of — CNC machine. Ball screws move the tables.

Open Evothings