*Meet the new black*
…F and the point where all heat energy has been lost.
Absolute zero is and always will be just a number. It’s impossible for a thing in our universe to reach absolute zero because absolute zero happens to be the place where entropy hits its minimum value. Which means that that place at absolute zero can’t be connected to the rest of the entropy-having universe. Or, in much simpler terms, atoms and particles just can’t move any slower.
But some pretty nutty things happen when you get closer to absolute zero. MIT has the record right now, 810 trillionths of a degree above absolute zero. What you get at a temperature that low is something called Bose-Einstein Condensate, which is an entirely new kind of matter that’s not liquid, solid, or gas. It’s when a big cloud of millions of atoms all get into the same quantum state and act like one really big atom.
Which is cool but has nothing on what researchers at Harvard have going on a bit warmer at a few millionths of a degree above absolute zero: stopping light….
The rest is here:
The Coldest And Darkest Places In The Universe Are On Earth
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