Vinyl record and turbine: what they have in common
- Step 1. Vinyl record — is made of — Polyvinyl chloride (PVC). Vinyl is PVC.
- Step 2. Polyvinyl chloride (PVC) — is material for — Payment card. The card is PVC.
- Step 3. Payment card — is used in — ATM. It dispenses money for a card.
- Step 4. ATM — is a kind of — Vending machine. A dispensing machine.
- Step 5. Vending machine — was inspired by — Heron’s aeolipile. Heron described both a holy-water dispenser and the aeolipile; the dispenser is the prototype of the vending machine.
- Step 6. Heron’s aeolipile — evolved into — Turbine. The aeolipile is the oldest ancestor of the steam turbine.