Obligatory Wikipedia link, for everyone who hasn't had the distinct pleasure of having his/her mind warped:
String Theory
For everyone who hasn't, do read the
book; it provides more detail than the movie, but it will twist your head up in the same way. I'm insanely in love with all things quantum and astrophysical.
Mnemosyne,
What sort of metaphysics did you have in mind?
Prompt me, all I need is a soapbox and one or more minds to ping.
warning: BS alert (but tons of fun, and full of great current pop culture!):
You might be interested in knowing that
The Church of the Flying Spaghetti Monster can provide theological background for Noodle Theory.