Scientists built a strontium clock that is so precise, out of every 10 quintillion ticks only 3.5 would be out of sync – the first atomic clock ever to reach that level of precision, that could help test general relativity and hunt for gravitational waves, as reported in Science.

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Scientists built a strontium clock that is so precise, out of every 10 quintillion ticks only 3.5 would be out of sync – the first atomic clock ever to reach that level of precision, that could help test general relativity and hunt for gravitational waves, as reported in Science.