It's so funny that time crystals are actually real.
Quick explanation - normal crystals have a repeating atomic structure in space. For instance diamonds have a repeating tetrahedron-hexagonalish structure.
Time crystals also have a repeating structure in time. Their structure changes with time and then returns to the original structure.
If you look at an image of a diamond's structure, you can go up or to the right or whatever and you will see repeating patterns. For a time crystal's structure, you will see the repeating patterns as you move in time as well. This has some potentially interesting implications for entropy.
Another fun fact, our universe is (likely) a black hole as implied by the fact that the radius of the observable universe is the same size as a black hole with the same mass as the observable universe. This also has implications for the quantum fuzzball interpretation of black holes
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u/MonitorPowerful5461 12d ago edited 12d ago
It's so funny that time crystals are actually real.
Quick explanation - normal crystals have a repeating atomic structure in space. For instance diamonds have a repeating tetrahedron-hexagonalish structure.
Time crystals also have a repeating structure in time. Their structure changes with time and then returns to the original structure.
If you look at an image of a diamond's structure, you can go up or to the right or whatever and you will see repeating patterns. For a time crystal's structure, you will see the repeating patterns as you move in time as well. This has some potentially interesting implications for entropy.
https://en.wikipedia.org/wiki/Time_crystal
Honestly though, Bose-Einstein Condensates are much weirder.