Why String Theory?

It's been a while since my last post as I've been on vacation in Wyoming. However, I found a nice post about string theory from Sean Carroll over at Cosmic Variance. String theory is often ridiculed by other scientists for its lack of testability. Is it science? Math? Philosophy? Well, Sean provides his opinion as to the usefullness of continued study of this fascinating subject. Click here to read on.


UPDATE: If you've read the post on string theory, it's worth scrolling through the comments to read the thoughts of some physicists who don't think as highly about string theory. Interesting to get their take.