In the presence of a magnetic field, the atoms' orientation changed in a particular way, and this change was detectable in the light that came through the atom cloud, the team found.
小组发现，在磁场之中，原子的方向以特殊的方式发生的变化，而这种变化可以被穿过原子云的光束探测到。
2
Well, laser flash that makes the atom glow while we - that this light that we use to image with, in the microscope.
我们不能像使用显微镜时，利用激光闪光，使得原子发光。
3
A second of time, for instance, is now defined in terms of an electron transition of the cesium atom. And the meter is tied to the speed of light.