So I had to fall back on my string theory.

To be sure, string theory has a great deal to explain.

For a few years, string theory generated a great deal of interest.

Dimension 10 or 11 is a key number in string theory.

But nothing can be taken for granted when string theory is the subject.

They are pretty much the main topic of string theory.

Iran is now a world leader in some areas like string theory.

String theory was then created, but allowed too many solutions.

String theory, he said, would eventually become an experimental science.

It also provides a basis for the development of string theory.