Physicist Sabine Hossenfelder acknowledges that a multiverse is mathematically possible. She just doesn’t think it is very likely.
As someone who has written about the multiverse, I know this trope is a pretty convenient way to introduce alternate histories and all kinds of fantastical story elements into a story. TBH I am reluctant to give it up. It may not be probable, but it is Science Fiction we are writing after all.
Read the Guardian article:
Also, see The Multiverse Explained in Four Ways.
Photo by Michael Schick.