Open-source software and LIGO: what they have in common

1. Step 1. Open-source software — uses — Internet. Collaborative development.
2. Step 2. Internet — is made of — Silica (sand). The backbones are silica optical fibre.
3. Step 3. Silica (sand) — is material for — LIGO. The mirrors are fused silica.

Open Evothings