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Strontium optical clock accurate to within 1 second over 30 billion years
- March 9, 2026 at 12:40 PM
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Researchers from the University of Science and Technology of China have achieved a major breakthrough in optical clock technology, developing a strontium optical lattice clock with stability and uncertainty both surpassing the 10⁻¹⁹ level, meaning the clock would lose or gain less than one second over roughly 30 billion years.
Originally published at Phys.org