A team of researchers at Heidelberg University has succeeded in building an apparatus that allowed them to observe Pauli crystals for the first time. They have written a paper describing their efforts and have uploaded it to the arXiv preprint server.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/5ec3de61d1581.jpg)
Source:
https://phys.org/news/2020-05-team-germany-pauli-crystals.html