DNS and boiler: what they have in common

1. Step 1. DNS — is used in — URL. A domain name.
2. Step 2. URL — is used in — World Wide Web. Addresses.
3. Step 3. World Wide Web — was inspired by — Particle accelerator. The web was invented at CERN for sharing physicists’ data.
4. Step 4. Particle accelerator — uses — Vacuum. A vacuum chamber.
5. Step 5. Vacuum — is used in — Newcomen engine. Condensing the steam creates a vacuum under the piston.
6. Step 6. Newcomen engine — has part — Boiler. Steam from the boiler.

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