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Optical clock sets new accuracy record, bringing us closer to a new definition of the second
A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium ...
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🕰️ Quantum: reading the time is much more costly than running the clock
Observing the flow of time at the quantum scale reveals a puzzling energy phenomenon: the energy required to simply read the ...
🛍️ The best Black Friday deals you can shop right now (updating) 🛍️ By Mack DeGeurin Published Jun 13, 2025 3:04 PM EDT Image: Tanja Ivanova / Getty Images Get the Popular Science daily newsletter💡 ...
Physicists have demonstrated all the ingredients of a nuclear clock — a device that keeps time by measuring tiny energy shifts inside an atomic nucleus. Such clocks could lead to vast improvements in ...
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