The gas Sulfur Hexafloride is significantly denser than air which allows this aluminum foil ship to float above ground!


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The gas Sulfur Hexafloride is significantly denser than air which allows this aluminum foil ship to float above ground! The gas Sulfur Hexafloride is significantly denser than air which allows this aluminum foil ship to float above ground! Reviewed by Unknown on 12:17 Rating: 5
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