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.'
New clock just dropped, but it’ll only drop a second every 30 billion years while in operation. That’s right: It’s the most precise, accurate clock yet built.
The timekeeping device was developed by scientists at JILA, a joint institution of the National Institute of Standards and Technology and the University of Colorado Boulder. It is effectively an atomic trap, which keeps tens of thousands of atoms in place and measures time through the reliable movement of electrons around the atom. The clock is described in a not-yet-peer-reviewedis established based on the cesium atom, but the new clock uses supercooled strontium atoms to keep track of time.
The average atomic clock today operates at microwave frequencies, NIST states, but strontium atomic clocks operate at optical frequencies. It “ticks” trillions of times per second, and is accurate to within 1/15,000,000,000 of a second per year. Only losing a second every 30 billion years means that if such a clock started ticking at the beginning of the universe, the universe would still need to be more than twice its current age for the clock to lose a second.
Staggering stuff, and perhaps as good a reminder as any that time is of the essence. Why are you still reading? Go enjoy life.‘s Massive Season 2 Battle Will Span Multiple Episodes, For Good Reason
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