Humidity. Moisture. Water vapor. Evaporation. Condensation. Mold. Rot.

These are all words that go together in people’s minds when the topic of humidity comes up. But what is it and why is it so important?

I’m going to try to explain this as simply as possible, so for the scientists and engineers reading – please cut me a little slack. I’m going for clarity over precision. However, if you catch the inevitable factual errors, please point them out so I can correct them.

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