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.
Quantum electrodynamics, commonly referred to as QED, is a quantum field theory of the electromagnetic force. Taking the example of the force between two electrons, the classical theory of electromagnetism would describe it as arising from the electric field produced by each electron at the position of the other.