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Forget radioactive spider bites, exposure to gamma rays, or any other accident favoured in Marvel comics: in the real world, it's quantum theory that gives you superpowers.

Take helium, for example. At room temperature, it is normal fun: you can fill floaty balloons with it, or inhale it and talk in a squeaky voice. At temperatures below around 2 kelvin, though, it is a liquid and its atoms become ruled by their quantum properties. There, it becomes super-fun: a superfluid.

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Jack Sarfatti may have made the first prediction of supersolid helium back in 1969 prior to Tony Leggett, certainly independently in
1969, "Destruction of Superflow in Unsaturated 4He Films and the Prediction of a New Crystalline Phase of 4He with Bose-Einstein Condensation"Physics Letters, Vol 30A, No 5, Nov 1969, pp 300–301.