Submarine and smartphone: what they have in common

1. Step 1. Submarine — has part — Torpedo. Torpedo armament.
2. Step 2. Torpedo — has part — Gyroscope. Obry’s gyroscope keeps the course.
3. Step 3. Gyroscope — is part of — Smartphone. A MEMS gyroscope detects the rotation of the phone.

Open Evothings