Bet you never thought a liquid could appear to travel 'through' a solid?
Well, this is what happens when you cool a liquid down to absolute zero. (Well almost absolute zero, currently it is near impossible for humans to do so.)
So what happens to a liquid at around absolute zero that gives it the ability to move out of it's container?
Absolute zero is bloody cold: -273.15°C. At this degree of temperature, certain elements, such as helium(II) experience a total loss of viscosity, allowing the substance to overcome all friction forces. This is called the Lambda Point, and allows a superfluid to move against all forces (such as gravity,) allowing a superfluid to move upwards and around obstacles, effectively giving it an appearance of traveling strait through an object.
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