Golf ball and router: what they have in common

1. Step 1. Golf ball — is made of — Gutta-percha. “Gutty” balls were gutta-percha.
2. Step 2. Gutta-percha — is part of — Transatlantic cable. Insulation.
3. Step 3. Transatlantic cable — is a kind of — Electrical telegraph. A telegraph line.
4. Step 4. Electrical telegraph — works like — Packet switching. An analogy: telegraph messages were passed from station to station with intermediate storage — a “store and forward” principle similar to packet transmission.
5. Step 5. Packet switching — is used in — Router. It forwards packets.

Open Evothings