Infrared seeker and glasses: what they have in common

1. Step 1. Infrared seeker — has part — Photodiode. A photodetector.
2. Step 2. Photodiode — is part of — Lidar. A receiver of reflected light.
3. Step 3. Lidar — is part of — Self-driving car. Lidar builds a 3D map of the surroundings.
4. Step 4. Self-driving car — has part — Smartphone camera. Cameras.
5. Step 5. Smartphone camera — is part of — AR glasses. Cameras.
6. Step 6. AR glasses — evolved from — Glasses. Glasses with a display.

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