One of the biggest ideas in physics is the possibility that all known forces, particles, and interactions can be connected in one framework. String theory is arguably the best-known proposal for a “theory of everything” that would tie together our understanding of the physical universe.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/chandradatat.jpg)
Source:
https://phys.org/news/2020-03-chandra-theory.html