Quantum field theory is the best method we have for describing particles and forces in a way that takes both quantum mechanics…
https://www.physicsforums.com/insights/wp-content/uploads/2016/01/spacetime5.png135240John Baezhttps://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.pngJohn Baez2016-02-01 16:41:532021-04-17 13:58:18Struggles with the Continuum: Quantum Electrodynamics