Does Air Have Water in It

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Let’s get weird with numbers. A single cubic mile of air can hold up to 20 million gallons of water. That’s enough to fill 30 Olympic swimming pools.

Now imagine every cubic mile of air above your backyard. That’s a lot of invisible swimming.

Why your glasses fog up

Have you ever walked into a warm house with cold glasses? Instant blindness. It’s because the water vapor in the air hits your cool lenses and turns into tiny drops.

It’s not magic—it’s just physics being a prankster. Your glasses are basically a miniature rainstorm on your face.