Photons have no mass – they are weightless.
光子没有质量——它们是没有重量的。
没有光子能通过金属。
Photons have no mass - they are weightless.
光子没有质量——它们是无重的。
Wave particle duality had been applied to photons.
波粒二象性应用于光子上。
The two photons go off together as coherent radiation .
这两个光子一起发射出去，形成相干辐射。
So what might these extra photons be doing to our health?
那么，这些多余的光照，会对我们的健康造成怎样的影响呢？
So now I am firing individual photons at the screen, as you see.
你们可以看到我在向屏幕放射单光子。
A SEA of photons has been coaxed into acting as one for the first time.
一大片光子海洋首次慢慢汇聚成了一粒光子。
If they are the same, the two photons will come out of the beam-splitter together.
如果他们状态一样，这两个光子就在分束器一起出来。
Somehow the photons still end up, ending up on the screen in an interference pattern.
光子总是会停止运动的，停在屏幕上呈现出相互干扰的模式。
Somehow the photons still end up, ending up on the screen in an interference pattern.
光子总是会停止运动的，停在屏幕上呈现出相互干扰的模式。
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