Sledge and router: what they have in common

1. Step 1. Sledge — evolved into — Bobsleigh. A sled.
2. Step 2. Bobsleigh — has part — Steering wheel. A steering wheel.
3. Step 3. Steering wheel — has part — Airbag. An airbag hides in the steering wheel and inflates instantly in a crash.
4. Step 4. Airbag — has part — Accelerometer. The crash sensor is an accelerometer.
5. Step 5. Accelerometer — is made of — Silicon. Modern ones are silicon MEMS.
6. Step 6. Silicon — is material for — Router. The chips are silicon.

Open Evothings