Most Precise Atomic Clock Ever Built Will Only Lose a Second Every 30 Billion Years
The device, which traps thousands of atoms to keep time, is "pushing the boundaries of what's possible with timekeeping." The device traps thousands of atoms to keep time, and is "pushing the boundaries of what's possible with timekeeping."
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Does it still need a groundhog to tell it when spring is?
Yes, of course.
But the groundhog will be made out of gallium arsenide.