Since things heat up when they move faster (i.e. particles and the definition of temperature), why does air feel nice and cool in a breeze, or from a fan? Why isn’t the air warmer than normal when it’s moving faster?
In: Physics
This one bugged me for years when I was younger, so it’s fun to see it here!
Very simply, your body heats up the air close to your skin. When you aren’t moving, that air doesn’t move, so you effectively have a thin cloak of warm, humid air surrounding you.
The breeze from a fan pushes this warm air away and replaces it with cooler, drier air.
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