Are you the lone, liberal arts-educated, "hippie" among all your math and science geek friends? Stuck pretending you really know what the gravitational constant is really about? Hate yourself for tuning out that babble about "delta x" and "delta y" in high school? Fret not! Check out Sixty Symbols!
Sixty Symbols is simple in concept. Each symbol links to a Youtube video which breaks down each idea for you in an easy to digest manner. Now when your friends try and back you into an intellectual corner, you have some firepower to work with!