Recent content by Curt Evans

The question is why do they accelerate. The provided some information on virtual particle exchange, that's what I'm trying to get my head around.

If you have two particles of opposite electrical charge in proximity, what actually sets them in motion? As a an analogy, if you have two balls in either end of a tube and remove the air between them, outside pressure will push them together. What is the equivalent process at the particle level?