Minesweeper and smartphone: what they have in common
- Step 1. Minesweeper — has part — Sonar. Searching for mines.
- Step 2. Sonar — works like — Ultrasound scanner. A medical sonar: the same echo principle.
- Step 3. Ultrasound scanner — has part — Digital signal processor. Forming the image.
- Step 4. Digital signal processor — is part of — Smartphone. Processing sound and images.