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> clocks are less sensitive to environmental perturbations and can function without extreme cooling. This “opens a possible route to compact and robust optical clocks”

> drifting over the course of a day by only the equivalent of around one second in three million years

If these can be made reasonably cheap, even with a much higher drift rate, I, for one, would welcome the replacement of quartz-based clocks and their tendency to drift wildly in datacenters.