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As a helium shortage looms, "vacuum balloons" could save physics, medicine, and birthday parties | Salon.com
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Schematic representation of a balloon filled with 500 mL of solution... | Download Scientific Diagram
O-Boot - Will the buckling make the vacuum balloon collapse? The answer is in the engineering history of our civilization: the Roman arch. #oboot #vacuumballoon #vacuumairship #aviation #shapingthefuture | Facebook
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