When you want a point particle, if you wake up and find a point particle on your bed, what's your reaction?

当你想要一个质点,想当你醒来时发现一个质点在你的床上,你是什么反应

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You want to get the contract for Johnny Fontaine, you don't tell your consiglieri, "Hey Tom, put a point particle on Jack's bed."

约翰尼·方丹为电影《教父》中的角色,影片中有杀马恐吓的情节

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So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。

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There's a picture of a horse, a picture of the carriage, all glossy stuff. Then it says, "Treat the horse as a point particle."

这有一幅马的图片,一幅车厢的图片,画得很漂亮,然后告诉你,"把马看做一个质点"

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But nowadays, it's a horse, but in the end, if you're going to treat it as a point particle, it seems to me to be a real waste.

但是如今,一匹马,到最后,如果你仅把它当做一个质点来看,对我来说似乎是有点太浪费了

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At least there, the fact is not a point particle is important.

至少在那个时候,它不是质点才是最重要的

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As time increases, the angle increases and we can ask, "How long does it take for the particle to come back to the starting point?"

这个角度随着时间在增加,我们会问,"质点需要多长时间,才能转到起点"

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So what I've said so far is, a particle moving in time from point to point can be represented by a graph, x versus t.

到目前为止,我说过,一个质点随时间的连续运动,可以用一幅x-t图来表示

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