Scientists at the National Physical Laboratory (NPL), working with the University of Latvia, the University of Berlin, Cambridge University and University College London, have developed a tomographic method to visualize the state of solitary electrons emitted from electron pumps.
![](https://scx1.b-cdn.net/csz/news/tmb/2019/81-scientistsde.jpg)
Source:
https://phys.org/news/2019-12-scientists-tomographic-method-visualize-state.html