This has definitely been done before but I'm running out of ideas again.

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[–] 1 point 1 month ago (5 children)

If the volume stays the same and the mass changes, you have the recipe for infinite energy.

Take songwriting really low density up a hill, turn it to gold, instant energy gain.

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  • [–] 1 point 1 month ago (4 children)

    I hear air is pretty low density

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  • [–] 5 points 1 month ago (3 children)

    Air has to be exempt, otherwise since you are always "touching" it, you would be instantly encased in gold....

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  • [–] 1 point 1 month ago (2 children)

    So then I wonder if liquid nitrogen (or just liquid atmosphere) was touched

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