Air traffic control and payment card: what they have in common

1. Step 1. Air traffic control — uses — Radio. Radio communication.
2. Step 2. Radio — evolved into — Mobile phone. Mobile communication is a development of radiotelephony.
3. Step 3. Mobile phone — has part — Integrated circuit. Inside a phone are microchips: processor, memory, radio.
4. Step 4. Integrated circuit — is part of — Payment card. An EMV chip.

Open Evothings