Internet and turbine: what they have in common

1. Step 1. Internet — is made of — Silica (sand). The backbones are silica optical fibre.
2. Step 2. Silica (sand) — is material for — Space Shuttle. The heat-shield tiles are silica fibre.
3. Step 3. Space Shuttle — has part — Solid rocket motor. Boosters.
4. Step 4. Solid rocket motor — has part — De Laval nozzle. A nozzle.
5. Step 5. De Laval nozzle — evolved from — Steam turbine. De Laval invented the nozzle for a steam turbine.
6. Step 6. Steam turbine — is a kind of — Turbine. A kind of turbine.

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