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NIST Ion Clock Sets New Record for Most Accurate Clock in the World


NIST: There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based on a trapped aluminum ion. Part of the latest wave of optical atomic clocks, it can perform timekeeping with 19 ...

Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based on a trapped aluminum ion. Part of the latest wave of optical atomic clocks, it can perform timekeeping with 19 decimal places of accuracy. "At NIST we get to carry out these long-term plans in precision measurement that can push the field of physics and our understanding of the world around us."

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