What Happens At Absolute Zero?

absolute-zeroIn one sense we can never know because reaching absolute zero is an impossible task as an infinite amount of work is required to cool something down that far. However you can get close – the world record coldest temperature is 0.0000000001°C above absolute zero. At super cold temperatures strange things start occurring. Exotic states of matter appear, such as superfluids that have no friction and viscosity and so climb out of their containers; superconductors which have zero electrical resistance, and Bose-Einstein condensates, where atoms act totally in unison and never collide.

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