eli5 : Why can’t science explain what happened between Os and 10^-43s after Big Bang?
In: Physics
One thing is that at the dimensions of the universe at that period, we’d need a theory that unifies gravity and quantum theory. It is almost certain that our latest theories are incomplete. And it is really not possible at this time for humans to replicate the conditions of the early universe so experimental observations are not possible. One foundational principle in quantum mechanics is Heisenberg’s uncertainty principle – and that fundamentally restricts our current theories from being applied when things get too small or time periods get too short.
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