What is hot and cold?

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We can feel heat and cold but we can’t really see it. What is actually happening and why do we prefer a specific temperature?

In: Physics

7 Answers

Anonymous 0 Comments

The human body is also better at cooling down than retaining heat. We have more sweat glands per sq. inch than any mammal and we are essentially hairless. This is why the invention of clothing and the mastery of fire was so essential to our success.

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