For most theories in physics, the order of operations has little impact on the result. When setting a dial to a certain position, for example, it doesn't matter whether it's turned clockwise or counterclockwise—the result will always be the same. Yet for non-Abelian gauge theories, order does m...
Source: [Phys.org](https://phys.org/news/2026-07-complex-field-physics-tabletop-photonic.html)