[RightWingNilla]

So you tell me: How does an understanding of the theory of evolution affect what a practicing physician does?

So you tell me: How does an understanding of QED affect what a practicing electrician does?

[Logophile]

So you tell me: How does an understanding of QED affect what a practicing electrician does?

An excellent example. Quantum electrodynamics (QED) won Richard Feynman and his colleagues a Nobel Prize, but it is of little use to the electrician wiring your house.