有时候我甚至会觉得实验室灯亮着的时间决定了我能否顺利毕业。
Sometimes you felt like you were judged on the number of hours your lights were on.
50年前的这个星期天，休斯研究实验室的西奥多.梅曼和科学家用高功率闪光灯照射红宝石棒，引发光束相干： 第一台激光器 。
Fiftyyears ago this Sunday, Theodore Maiman and his fellow scientists atHughes Research Laboratory shined a high-power flash lamp on a rubyrod, triggering a beam of coherent light: the first laser.
在你离开实验室前关掉灯。
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