Tower clock and air conditioner: what they have in common

1. Step 1. Tower clock — has part — Pendulum. A pendulum (since the 17th century).
2. Step 2. Pendulum — is used in — Tuned mass damper. A pendulum.
3. Step 3. Tuned mass damper — is made of — Concrete. Or concrete.
4. Step 4. Concrete — is material for — Data centre. The building is concrete.
5. Step 5. Data centre — has part — Air conditioner. Cooling.

Open Evothings