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Physicists just measured time without a clock at the quantum level

Physicists have now managed to track the passage of time inside a quantum event without using anything that looks like a ...
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Physicists measure gravitational time warp to within one millimeter

The flow of time isn’t as consistent as we might think – gravity slows it down, so clocks on the surface of Earth tick slower than those in space. Now researchers have measured time passing at ...

Physicists measured time without a clock at the quantum scale

Time feels steady and familiar in daily life, but at the quantum level it becomes slippery. That puzzle now has a fresh twist ...