Less dense things will float in more dense things; like cork floating in water or helium floating in air.
In the video above an aluminium foil boat floats on sulphur hexafluoride (SF6), a very dense gas.
Less dense things will float in more dense things; like cork floating in water or helium floating in air.
In the video above an aluminium foil boat floats on sulphur hexafluoride (SF6), a very dense gas.