Radium (or somebody else of the same name) wrote thusly in message
.com:

Hi:

What happened before the big bang?

Sadly, its a question that can't be answered, yet its so interesting.

My own opinion on the subject was that at those times the electromagnetic
interaction had the opposite sign to what it has now. Like charges
attracted, opposite charges repelled.

Result: all the matter in the universe gathered together in one place, all
the antimatter gathered at the hyperspherical antipodes of that place.

Over the gigayears this homophilic EM interaction weakened, passed through
zero and out the other side. The moment of zero crossing was what we
conventionally refer to as the Big Bang. Since then we have the homophobic
EM force that we know today.

This theory explains inflation (an ever-strengthening EM force since the BB)
and the fact that there is only matter in our vicinity (we haven't met the
antimatter yet).
--
Warning: keel away from child for hot bulb

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