Quantum electrodynamics Definition and 54 Threads

Hiya. I'm going to be taking a Quantum Electrodynamics course next semester. I was wondering if anyone could recommend : a) Good sites on the subject b) Good books on the subject Thanks in advance!

I have a book talking about transient electron-positron pairs appearing and disappearing inside a hydrogen atom which effects the attractive force between the proton and the electron, okay I'm fine with that. It then goes on to say that the effect is only over short distances because of the...

One question has disturbed me long time, I don't know the distinction between quantum electrodynamics and quantum field theory. By the way, which quantum field theory or quantum electrodynamics textbook is prefer?

Im wondering what products/technologies that would not have been poosible without the theories of Quantum electrodynamics, not things that these theories appear to explain.