Parallel universes, once an obscure concept for science fiction geeks, have entered public awareness. This is not from science education but is thanks to the Marvel Cinematic Universe’s “Multiverse” and popular movies like Everything Everywhere All At Once. These fictional representations often include a handwaving mention of quantum physics as evidence that other universes are real. What do we really know about parallel universes and could they help explain strange phenomena?
The idea of alternate realities is surely as old as humanity. Whenever you are faced with a choice, you end up wondering about the possibilities you
