Description of rotating molecules made easy

By turning highly complex equations into sets of simple diagrams, Feynman diagrams have established themselves as one of the sharpest tools in a theoretical physicist's toolbox. Scientists have now extended the technique: originally devised for subatomic particles, the simplest objects imaginable, the technique can now work with molecules. The research is expected to drastically simplify the description of molecular rotations in solvents.

from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181221123833.htm