In quantum cryptography, as in most long-distance data transmission, the information is carried by photons, the particles which compose light and other sorts of electromagnetic radiation.

光子是光线和其它种类电磁辐射的构成粒子，同大部分的远距离数据传输方法一样，量子加密法中信息是通过光子传输的。

youdao

1970 - Discovers that by using quantum theory and general relativity he is able to show that black holes can emit radiation.

1970年—运用量子理论和广义相对论证明了黑洞可以放出辐射。

youdao

What is needed is a theory which embraces both the quantum theory of radiation and gravity simultaneously.

现在需要的是一种理论，包含了辐射和引力的量子理论的同时进行。

youdao

By tuning the quantum cascade laser and measuring how much of the infra-red radiation is absorbed on its way to a detector, hazardous gases in between can be identified.

ECONOMIST: Lasers