Royal Pains, Chapter OneRoyal Pains, Chapter One4 years ago in General Fiction More Like This
"According to Evertrot's 'many-worlds' interpretation of quantum mechanics, every time a choice is made a new set of realities emerge, each based on a different possible outcome of that choice. Thus all possible realities exist, all of which branch apart from each other. The great unicorn magician Starswirl the (Bearded/Wise) created a practical application of this theory by proving that each branching universe could be accessed through a unique magical frequency. Since (s)he published this proof, many of Equestria's brightest unicorns have dedicated their lives to creating a "map of the multiverse" by peering into alternate universes through specially modified scrying spells. Of course, due to the infinite and constantly changing nature of this task, only a few 'base' realities similar to the Equestria we know and love have been discovered.
More than 300 years after Starswirl created a means of observing alternate universes, Albert(a) Equistein designed spells that allo