idea
Symmetry
A symmetry is a change that leaves something looking the same. Group theory turned that into an exact language, and Galois used it to explain why some equations can be solved by formulas and others cannot. Noether later tied symmetries of physical laws to quantities that stay constant, like energy.
Connects to
- Math
- Prime numbers
- Fourier's idea
- Models of the world
- The cosmic web
- Why is there matter at all?
- Beauty
- What is beauty for?