当麦克斯韦把在德国实验者们得到的相关的数值带入到他的方程中时，得到了斐索测定的光速数值。
When Maxwell plugged the relevant values, which had been obtained recently by experimenters in Germany, into his equations, out popped Fizeau's figure for the speed of light.
斐索，法国科学家，1850年用齿轮法测定了光速。这不是偶然，麦克斯韦认为光事实上也是一种电磁波。
Convinced that this was no accident, Maxwell went on to suggest that light is, in fact, an electromagnetic wave.
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