Sulphur hexafluoride

Category : Other

Tags : sulphur hexafluoride air heavy nothing float

Short description: Something floating on nothing :)

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Sulphur hexafluoride is a gas that is 6 times heavier than the air. That is why, although we can not see it, it is there ;). And we can use it in very interesting and amusing experiment. See the truth behind levitation :).



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