Plant fibers and typewriter: what they have in common

1. Step 1. Plant fibers — is material for — Rope. Flax, hemp, now synthetics.
2. Step 2. Rope — is part of — Yo-yo. A thread.
3. Step 3. Yo-yo — is made of — Clay. Greek yo-yos were terracotta.
4. Step 4. Clay — is material for — Movable type. Bi Sheng’s type was made of fired clay.
5. Step 5. Movable type — works like — Typewriter. Each typebar carries a piece of movable type pressed against the paper.

Open Evothings