Shoelaces and internet: what they have in common

1. Step 1. Shoelaces — is part of — Trainers. Laces.
2. Step 2. Trainers — is made of — Vulcanized rubber. The sole.
3. Step 3. Vulcanized rubber — is material for — Base isolation. Rubber–steel bearings.
4. Step 4. Base isolation — is part of — LIGO. The suspension damps ground vibrations.
5. Step 5. LIGO — is made of — Silica (sand). The mirrors are fused silica.
6. Step 6. Silica (sand) — is material for — Internet. The backbones are silica optical fibre.

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