It is based on the photoelectric effect.

它是基于光电效应。

So, starting back with the photoelectric effect -- yes.

好了，开始光电效应的话题，好。

"This is a nice extension of Einstein's photoelectric effect," Richter said.

“这是爱因斯坦光电效应的一个很好的延伸，”Richter说。

Einstein also explained a baffling feature of the photoelectric effect.

爱因斯坦也解释了光电效应里一个令人困扰的现象。

Early experiments on the photoelectric effect had not produced consistent results.

有关光电效应的早期实验，并未取得协调一致的结果。