[Nathan Zachary]

And on you go to superspace, tachyons, heterotic superstring theories, and all sorts of brain masturbation all to end up with unworkable theory. Good way to get lots of calculus practice though.

[RightWhale]

I'm on it. Making a list of topics that need refreshing so I can read this string theory text. It is probably just an exercise; nobody is even pretending anymore that we are getting any closer to the true nature of reality.