There are 320 calories in a 1 sandwich serving of McDonald's Sausage McMuffin (No Cheese). Calorie breakdown: 51% fat, 34% carbs, 15% protein.
quantum electrodynamics, QED(noun) a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons. QED(Noun) Quantum electrodynamics. QED(Interjection) Quod erat demonstrandum (Latin what had to be proved or what was to be demonstrated). QED. QED were an Australian New Wave trio, whose lead singer, Jenny Morris, went on to achieve commercial success as a solo artist.
In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it the jewel of physics for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.