Laser Target Alarm Clock 激光打靶闹钟
We recently groaned at the misnamed Laser Clock, wishing for a device that could actually project the time of day a half-mile away, and now our wish has been granted.
我最近叹息叫错雷射钟的名字，渴望有这样的的装置，可以在半英里外就精确投射时间，现在这个愿望已经成为现实。
By synchronizing one of the optical teeth with the clock laser, atomic clockmakers force the other teeth to become equally stable.
通过将激光和光梳某个梳齿同步，制作者可以使得其他梳齿变得同样稳定。
"With a laser pulse, you can tap that shell and make it ring like a bell," said physicist Till Rosenband of NIST, who built the existing quantum-logic clock.
“激光脉冲轻拍壳层产生了像铃声一样声音”，国家标准和技术研究所的物理学家Till Rosenband说，现有的量子逻辑时钟是由他开发的。
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