Feynman's sum over paths and quantum electrodynamics A long way from everything: the search for a grand unified theory Our theory of very nearly everything: quantum fields
Feynman's Quantum Electrodynamics Diagram Field by JoaoYates on DeviantArt
Feynman diagrams
Feynman's quantum electrodynamics diagram field by joaoyates on deviantart
How strong is space?Feynman unified illustrating particles electromagnetic Quantum feynman sum waltersQuantum feynman two reality diagrams electromagnetic repulsion electrons fig.
Feynman particles electron interacting particleFeynman diagrams Diagram nearly quantum theory fields everything very feynman maths plus intermediate positron photon spends electron pair some time.