My daughter learned his lesson at her last birthday when one of her helium filled balloons got away from her.
But this is liquid helium! Not the gas form which is so cool!
it will suddenly be able to do things that other fluids can't, like dribble through molecule-thin cracks, climb up and over the sides of a dish, and remain motionless when its container is spun.
Its a great quantum mechanics thing!
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