If you’ve ever wondered why the math of string theory points towards the possibility of a multiverse, or if you are, say, a humanities-degree-holding frustrated science freak, NOVA’s The Fabric of the Cosmos is available online.

Sample mind-blowing theory from “What Is Space?”: you, me, and everything you know might be a three-dimensional hologram of information stored in two-dimensional form on the outer edge of the universe.

Physics! Down the rabbit hole!

“After you learn quantum mechanics, you’re never really the same again.” – Steven Weinberg

from xkcd.com