Air is heavy

The air filling Carnegie Hall weighs about seventy thousand pounds.

That is from the new Ocean of Air: Why the Wind Blows and other Mysteries of the Atmosphere, by Gabrielle Walker.

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Actually, taking bouyancy into account, it doesn't weigh anything.

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What I've always thought more impressive about the atmosphere was how much pressure we're under right now. Press a 15 lb weight against a square inch of your hand. Well, that was just doubling the pressure it's currently under.

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I am looking into your India question, it very likely will come out in India but right now I don't know exactly when. Thanks for your interest...

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