The cesium atomic clock is currently the standard for timekeeping, but a new clock developed by researchers could lead to unprecedented accuracy, staying accurate for billions of years.
"Imagine a wristwatch that wouldn't lose a second even if you left it running for billions of years," said physicist Jun Ye, emphasizing the tremendous precision achieved with the new clock.
The constant advancements in timekeeping show humanity's journey from sundials to atomic clocks, measuring time with greater precision through various technological changes.
While Earth’s rotation offers a way to tell time, fluctuations in its orbit and axis make it less reliable than advanced methods like atomic clocks.
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