Removable inner pot and submarine: what they have in common

1. Step 1. Removable inner pot — is part of — Multicooker. A coated bowl.
2. Step 2. Multicooker — uses — Microcontroller. Programs.
3. Step 3. Microcontroller — is part of — Parking sensor. A microcontroller calculates the distance.
4. Step 4. Parking sensor — works like — Sonar. Echolocation in air.
5. Step 5. Sonar — is part of — Submarine. Underwater acoustics.

Open Evothings