Einstein did not do experiments on light beams.

爱因斯坦没有做过光束实验。

Doctor Lopotko says the light beam used by the device is safe.

Lopotko医生说该设备使用的光束是安全的。

What would it be like to travel as fast as a light beam?

像光一样快地运动会是什么样子？

That light beams in you.It tells your brain don't secrete melatonin yet.

这些光子流让大脑不要产生褪黑素。

And they use electron beams instead of light beams to visualize the image, which diffract a lot less.

它们使用电子束而不是光束来可视化图像，衍射要少得多。

This effect is difficult to understand for anyone who has never seen light beams so sharply defined on shore.

人们1只在陆地上看见过这种一道道的十分辉煌的白光，对于电光在海底下的作用，实在不容易了解。

The synchrotron light beam confirmed that Chinese purple and Egyptian blue shared all the same ingredients with two exceptions.

同步光束证实了中国紫和埃及蓝拥有很多相同的成分，但有两个例外。

Just holes in the ceiling with the light beamed through on to the tables.

天花板上只有几个洞， 光线直射到桌子上。

It was dark, and a cold neon light beamed a narrow ray across my bed.

天很黑，寒冷的霓虹灯在我的床上发出一道狭窄的光线。

But as Ibn al-Haytham studied this light beaming into his little dark chamber, what he found was going to change science forever.

但是当伊本·阿尔·海瑟姆研究这些射入他黑暗小房间的光时，他的发现将永远改变科学。