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First Thorium Nuclear Clocks Built in Vienna and Beijing
Original: Teams in Vienna and Beijing have built the first thorium nuclear clocks
Research teams in Vienna and Beijing have independently built the first nuclear clocks based on thorium-229, a milestone in precision timekeeping. Unlike existing atomic clocks, nuclear clocks promise greater stability and could probe fundamental physics, potentially testing whether constants of nature change over time. Physicists are hailing the achievement as the start of a new era in measurement science.
Why now: The demonstration of the first nuclear clocks is a major scientific breakthrough with implications for precision measurement and fundamental physics.
Evidence
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