在1902年，当一名德国物理学家表明电子的能量取决于光的颜色（或者频率）时，他们震惊了。

They were startled in 1902 when a German physicist showed that the electrons’ energy depended instead on the color (or the frequency) of the light.

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几十年以来，物理学家已经以电子和质子为基础建立起他们的物质理论。

For decades physicists had been building up their theory of matter entirely in terms of electrons and protons.

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假设一位物理学家告诉你，科学是未知的，因为无法去问电子它们的行为目的。

But imagine a physicist who told you science was impossible because you can't ask electrons what they want.

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