Margarine and LIGO: what they have in common

1. Step 1. Margarine — uses — Hydrogenation. Hydrogenated oils.
2. Step 2. Hydrogenation — uses — Hydrogen. Hydrogen.
3. Step 3. Hydrogen — is material for — Ammonia. Hydrogen.
4. Step 4. Ammonia — is material for — Maser. The first maser ran on ammonia.
5. Step 5. Maser — evolved into — Laser. A laser is an optical maser.
6. Step 6. Laser — is used in — LIGO. A laser.

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