Textile and LIGO: what they have in common

1. Step 1. Textile — is material for — Parachute. A parachute canopy is sewn from light, strong fabric — first silk, later nylon.
2. Step 2. Parachute — is part of — Vostok 1. Gagarin landed by parachute.
3. Step 3. Vostok 1 — has part — Heat shield. A spherical descent capsule with a heat shield.
4. Step 4. Heat shield — is part of — Space Shuttle. Heat-shield tiles.
5. Step 5. Space Shuttle — is made of — Silica (sand). The heat-shield tiles are silica fibre.
6. Step 6. Silica (sand) — is material for — LIGO. The mirrors are fused silica.

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