And now we repeat the experiment, only this time we come with an electron beam.

现在来重复一下实验，仅在这次我们得到了电子束。

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Albert Einstein once imagined riding on a light beam, and his thought experiment led him to the theory of special relativity.

爱因斯坦曾经幻想在宇宙中乘着一道光线飞驰，这个思想实验为他的狭义相对论奠定了基础。

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Ball and Beam system for teaching experiment designed laboratory equipment, It is control of a classical control targets.

球杆系统是为教学实验而设计的实验设备，它是控制领域的一个经典控制对象。

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And now we repeat the experiment, only this time we come with an electron beam.

现在来重复一下实验，仅在这次我们得到了电子束。

麻省理工公开课 - 固态化学导论课程节选

Pier Oddone, Fermilab's boss, plans to follow it with the Long Baseline Neutrino Experiment (LBNE), which will send a yet-more intense beam of the particles to an underground laboratory in South Dakota.

ECONOMIST: The future of physics (1)