In reply to Frank Grimer's message of Fri, 8 Jul 2022 10:21:32 +0100: Hi Frank, >> >> why do like charges repel, and unlike charges attract? > > >Because one is a source, the other is a sink at the bottom of a deep ocean.
That's certainly one possibility. However it raises even more questions. E.g. what is the ocean? (made of?) Or delving even deeper, what is reality? [snip] If no one clicked on ads companies would stop paying for them. :)