Eli5: How does a thermometer on a car work?

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I can’t think of a location within the bodywork of a car that would provide accurate data considering wind-chill when it’s moving, excessive heat from either the engine, or stationary in the sun.

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Windchill is the stripping of a thermal barrier that naturally forms from warmer objects. It’s like blowing on a hot soup. Soup stays warm because there is a barrier of hot air stopping more hot air from escaping. You blow that way, and it quickly cools.

Windchill doesn’t just make things colder. It makes things the ambient temperature.

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