Physicists Watched Time Invent Itself Inside a Cloud of 24,000 Ultracold Atoms
A cloud of 24,000 rubidium atoms, chilled to within a few billionths of a degree above absolute zero, has given researchers their clearest experimental window yet into how time can arise without any external clock keeping track. The work, published in Physical Review Research, shows that a usable form of time, complete with its one-way [...]
A cloud of 24,000 rubidium atoms, chilled to within a few billionths of a degree above absolute zero, has given researchers their clearest experimental window yet into how time can arise without any external clock keeping track. The work, published in Physical Review Research, shows that a usable form of time, complete with its one-way [...]
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