The multiverse (or meta-universe) is the hypothetical set of multiple possible universes (including the historical universe we consistently experience) that together comprise everything that exists and can exist: the entirety of space, time, matter, and energy as well as the physical laws and constants that describe them. The term was coined in 1895 by the American philosopher and psychologist William James. The various universes within the multiverse are sometimes called parallel universes.
The thought of parallel universes has always fascinated me. One of these days, I keep telling myself, I will pick up a book on quantum mechanics and string theory, and try to truly wrap my head around it. But for now I just enjoy the fantasy of imagining (with my infinite lack of knowledge) .... what if the choices i have made and the paths I have taken aren't the only ones. That maybe, in another parallel reality, there is a different version of me, me in every way but the choices I made .... maybe only a single choice. i wonder how that life would be right now. Would i be happier than i am right now .... or would all paths ultimate lead to the same place. Finding the mean, so to speak.
Thinking there could be parallel realities does get one reflecting on of the choices made ... maybe there is someone out there that you were meant to be with, that thorough your current circumstances, are shut off. But then again ... given the Butterfly Effect ... where do the changes lead. There is so much good in my life I would never want to give up. It makes my head hurt for a while .... but then i drift back to the fantasy .... of what could have been (or be?????).
For now, until I find time to get smart on the subject, I'll stick to watching Fringe ... one of my favorite shows ... and picture myself as Joshua Jackson finding his Anna Torv no matter what reality they find themselves in.