LIGO and bicycle: what they have in common

1. Step 1. LIGO — has part — Base isolation. The suspension damps ground vibrations.
2. Step 2. Base isolation — has part — Ball bearing. Friction pendulum bearings.
3. Step 3. Ball bearing — is part of — Bicycle. Ball bearings in the hubs and bottom bracket let the wheels and pedals spin easily.

Open Evothings