来自《耶鲁大学开放课程：新生有机化学 第1集 第1集》

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  Hooke and Descartes thought that light was a train of pulses
  虎克和笛卡尔认为 光是一连串脉冲
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  and as it goes through something like a prism,
  当它穿过像棱镜之类的物体
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  or as it reflects from a thin layer of oil on water or something like that,
  或被薄薄的水或油层之类的物体反射时
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  that it changes the timing of the pulses
  它的脉冲时间就会发生改变
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  and therefore changes the color.
  因此颜色也发生了改变
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  But Newton thought that the colors were pre-existing,
  但牛顿认为 颜色是原本就存在
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  and the prism just separates them.
  棱镜只是分离了它们
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  And this was his crucial experiment
  这是他的关键实验
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  to decide between those two theories.
  以在这两个理论之间做出定论
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  You see what he did?
  你看到他做了什么吗
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  He drilled a hole through the board and let through only the red light,
  他在板上钻了一个洞 仅让红光通过
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  and put a second prism there.
  并把第二个棱镜放在那里