Rocket propellant tank and particle accelerator: what they have in common

1. Step 1. Rocket propellant tank — is part of — Multistage rocket. It stores fuel and oxidizer.
2. Step 2. Multistage rocket — evolved into — Reusable rocket. The first stage returns.
3. Step 3. Reusable rocket — has part — GPS (satellite navigation). Navigation during landing.
4. Step 4. GPS (satellite navigation) — is used in — Online maps. The position.
5. Step 5. Online maps — uses — World Wide Web. Online maps open in a browser over the web.
6. Step 6. World Wide Web — was inspired by — Particle accelerator. The web was invented at CERN for sharing physicists’ data.

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