Woodblock printing and turbine: what they have in common

1. Step 1. Woodblock printing — is used in — Paper money. Printed from blocks.
2. Step 2. Paper money — evolved into — Payment card. The next form of money.
3. Step 3. Payment card — is used in — ATM. It dispenses money for a card.
4. Step 4. ATM — is a kind of — Vending machine. A dispensing machine.
5. 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.
6. Step 6. Heron’s aeolipile — evolved into — Turbine. The aeolipile is the oldest ancestor of the steam turbine.

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