Physical science and Quantum electrodynamics

Physical science noun - The physical properties, phenomena, and laws of something.

Quantum electrodynamics and physical science are semantically related. In some cases you can use "Quantum electrodynamics" instead a noun phrase "Physical science".

Quantum electrodynamics noun - A relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons.

Physical science and quantum electrodynamics are semantically related. You can use "Physical science" instead a noun phrase "Quantum electrodynamics".