RFID and heron’s aeolipile: what they have in common

1. Step 1. RFID — includes — NFC. A variety of RFID.
2. Step 2. NFC — is used in — Payment card. Contactless cards.
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.

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