Hypertext and fuel cell: what they have in common

1. Step 1. Hypertext — is used in — World Wide Web. The web is hypertext.
2. Step 2. World Wide Web — was inspired by — Particle accelerator. The web was invented at CERN for sharing physicists’ data.
3. Step 3. Particle accelerator — uses — Electromagnet. Bending magnets.
4. Step 4. Electromagnet — is part of — Bubble chamber. The field bends the tracks.
5. Step 5. Bubble chamber — is made of — Hydrogen. The working medium is superheated liquid hydrogen.
6. Step 6. Hydrogen — is used in — Fuel cell. The fuel is hydrogen.

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