They are cobbling lasers that spit out pulses a quadrillionth of a second long together with chambers that chill atoms to a few millionths of a degree above absolute zero.

 
  • 他們得把雷射與空腔(chamber)拼湊起來(lái);這些雷射是寬度僅千兆分之一秒(10-15秒)的脈沖,而空腔能將原子冷卻至只比絕對零度高幾百萬(wàn)分之一度。
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