Lutetium-based clock would reportedly take more than 260 billion years to lose a second
Nature calls it the world's most accurate clock and describes it as a step toward redefining the second with a new generation of ultra-accurate timepieces.
TLDR
Nature reports that a clock based on lutetium atoms is so reliable it would take more than 260 billion years to lose a second. The publisher describes the device as a step toward redefining the second using a new generation of ultra-accurate timepieces.
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