Randomness governs many things, from the growth of cell colonies and the agglomeration of polymers to the shapes of tendrils that form when you pour cream into a cup of coffee.
![](https://scx1.b-cdn.net/csz/news/tmb/2019/syntheticmag.jpg)
Source:
https://phys.org/news/2019-12-synthetic-magnetism-photons-d-quantum.html