Could our universe be located within the interior of a wormhole which itself is part of a black hole that lies within a much larger universe?
The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the
You might think it’s hard to have a conversation with theoretical physicist Brian Greene. His research specialty is superstring theory, the hypothesis that everything in the universe is made up of miniscule, vibrating strands of energy. Luckily for an interviewer, Greene has a knack for explaining difficult concepts to non-scientists.
