When the lamps are in a loop, one after the other: we call this a series circuit.

I'm not sure exactly what is in it [sorry, I'm too lazy :*(], but an adrenaline feedback loop diagram is, well, a diagram showing the feedback loop that adrenaline uses to signal itself to pump adrenalin through the body.

Radiative corrections are higher-order corrections to leading order feynman diagrams. i.e. accounting for loop contributions.

Richard Feynman's birth name is Feynman, Richard Phillips.

Joan Feynman was born in 1928.