Scientists create 'impossible' new form of matter with fourth dimension
A new kind of matter – dubbed a “time crystal” – has been created by two teams of scientists in a feat once considered theoretically impossible. Normal crystals, anything from diamonds to snowflakes, have atoms arranged in a repeating three-dimensional lattice. However the atoms in time crystals – the existence of which was first suggested in 2012 – repeat a pattern across the fourth dimension, time.
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