Tuned mass damper and dewar flask: what they have in common

1. Step 1. Tuned mass damper — is part of — Earthquake-resistant building. Dampers.
2. Step 2. Earthquake-resistant building — has part — Base isolation. Base isolation.
3. Step 3. Base isolation — is part of — LIGO. The suspension damps ground vibrations.
4. Step 4. LIGO — uses — Vacuum. 4 km vacuum tubes.
5. Step 5. Vacuum — is used in — Dewar flask. A vacuum.

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