CMOS and tank: what they have in common

1. Step 1. CMOS — is used in — Image sensor. CMOS sensors.
2. Step 2. Image sensor — is part of — Star tracker. A camera.
3. Step 3. Star tracker — works like — Sextant. Navigating by the stars — as sailors did.
4. Step 4. Sextant — has part — Mirror. Mirrors — the principle of double reflection.
5. Step 5. Mirror — is part of — Periscope. Mirrors or prisms.
6. Step 6. Periscope — is part of — Tank. Observation devices.

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