我们都知道光可以影响植物的生长发育，那么光对人类和动物的生长发育是不是也有影响呢？

We all know that light effects the growth and development of plants, but what effect does light have on humans and animals?

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用穿透性强的红外光对这一区域的探索已经发现了形成中与刚刚形成的恒星，它们的平均年龄据估计仅为300000年。

An exploration of the region in penetrating infrared light has detected emerging and newly formed stars whose average age is estimated to be a mere 300, 000 years.

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自然光对你的眼睛更有好处。人造光不仅伤害眼睛，而且还会影响自然睡眠规律。

Natural light is better for your eyes. Artificial light hurts your eyes and can affect your natural sleep rhythm.

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And what de Broglie said is well, if it's true that light, which has a wavelength can have momentum, then it must also be true that matter, which has momentum, also has a wavelength.

德布罗意说的是，如果光具有波长和动量是对的,那么物质具有动量和波长,也一定是对的。

麻省理工公开课 - 化学原理课程节选

So it turns out that we can, in fact, use the energy levels to predict, and we could if we wanted to do them for all of the different wavelengths of light that we observed, and also all the different wavelengths of light that can be detected, even if we can't observe them.

事实上我们可以用能级预测,而且如果我们想的话，我们可以,对所有观测到的光的波长预测，也可以对所有探测到的光预测,即使我们看不到它们。

麻省理工公开课 - 化学原理课程节选