Weather station and industrial robot: what they have in common

1. Step 1. Weather station — has part — Thermometer. A thermometer.
2. Step 2. Thermometer — includes — Infrared thermometer. A pyrometer is a thermometer that measures temperature at a distance by infrared.
3. Step 3. Infrared thermometer — has part — Thermocouple. A thermopile.
4. Step 4. Thermocouple — is part of — Radioisotope generator. Thermocouples turn heat into current.
5. Step 5. Radioisotope generator — is part of — Mars rover. Curiosity’s RTG.
6. Step 6. Mars rover — has part — Industrial robot. A robotic arm.

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