http://www.mncs.k12.mn.us/physics/string/string_index.html [Broken]String theory, also known as superstring or M-theory, is one of the most recent theories of modern physics, and is actually still incomplete. String theory is unique in the fact that it holds the promise of what every theoretical physicist dreams of, a grand unification of physics. The basic premise of string theory is simple, and reveals astounding amounts of information about how our universe functions. But at the same time, the mathematics behind string theory is so complex, that physicists are only able to calculate approximate answers to any of its equations. String theory is also a very controversial topic (possibly due to its startling ideas), and many physicists refuse to believe that it is true.
But despite the obstacles standing in the way of string theory's completion, it has already revealed an enormous amount of information on how our world functions, and physicists are currently exploring new and innovative ways around the problems. This section will first explore the main ideas of string theory, and then go on to show how string theory may lead to an ultimate grand unification of physics.
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