Here's Brian Greene on string theory. I like his way of explaining things, although I've read that the metaphor of the ant on the wire isn't really accurate.

Some people think string theory is a joke, like this guy:



I can't help but want to side with Brian Greene, I just don't get why this Garrett Lisi guy chose to speak about how he's probably wrong and that he's a surfer bum living out of the back of his van. Like, is he trying to brag about his life or is he talking about quantum physics?

Still, he makes a good point about theoretical physics being a long shot. They could both be wrong.

I like how it all revolves around the hadron collider, should be interesting.