If you spill hot water on your hand it takes a second to register as painful but a needle prick is immediately painful. Why?
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So you know how if you put a pot of boiling water on a hot stove, it doesn’t immediately boil? It needs time to heat up. It’s the same with spilling hot water on your hand. The temperature sensing cells in your skin need time to actually heat up enough that they can detect that you’re being burned.
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