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========== [MUSIC] This episode is sponsored by Dropbox [MUSIC] If it sometimes feels like the whole world
is pressing in on you, well that’s because it is.
A 1 square meter column of air above your head, stretching from here to the edge of
Earth’s atmosphere contains almost 10 tons of air. That’s a lot to carry on your
shoulders. But if it ever feels like too much, you know
what’s a great way to get away from it all? Balloons! That's not what I meant guys. No, not like that, like this. [MUSIC] Balloons are magical.
Birds and planes stay aloft by using power to keep air moving over their wings [HELIUM VOICE]
We fill blimps and party balloons with lighter gases like helium.
But balloons like those weigh thousands of pounds, and they’re not filled with h...