I think the Double-Slit experiment suggests that - just as there are many possible futures that something can have - there are also many different versions of the past. Things in the quantum world can have any history that you want them to have; or all such histories at once. We are looking at alternate timelines here. Whether they also represent alternate universes - as some believe - or simply vanish into the realms of zero possibility after being observed - is not something that has so far… Continue