Twilight Sparkle and Albert Einstein found out that with science and magic, everything is possible. Literally.
They decided to open up a workshop that makes anything they can without ever questioning whether or not they should. Because, you know, there are customers to do that for them.
Is written with the same idea of Laws of Celestial Motion, but not necessarily in the same continuity (If there is one in the first place).
Don't expect comprehensibleness.