Optical fibre and steam turbine: what they have in common

1. Step 1. Optical fibre — is used in — Fibre-optic sensor. A fibre.
2. Step 2. Fibre-optic sensor — is made of — Silica (sand). The fibre is silica glass.
3. Step 3. Silica (sand) — is material for — Space Shuttle. The heat-shield tiles are silica fibre.
4. Step 4. Space Shuttle — has part — Solid rocket motor. Boosters.
5. Step 5. Solid rocket motor — has part — De Laval nozzle. A nozzle.
6. Step 6. De Laval nozzle — evolved from — Steam turbine. De Laval invented the nozzle for a steam turbine.

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