Recently (About 46months earlier), i saw a documentry on the famous 'M' THEORY on Discovery Channel. I understood it partially. Can anyone throy more light on it.

Recently (About 46months earlier), i saw a documentry on the famous 'M' THEORY on Discovery Channel. I understood it partially. Can anyone throy more light on it.
Basically, Mtheory unites the different types of string theory.Originally Posted by anandsatya
I have a masters in physics and the last class I took was on string theory and the mathematics of that theory is quite difficult. I never learned the mathematics of compactification and I never heard all the details of M theory but what I heard was pretty scary (mathematically speaking). So in any case I cannot speak from too much authority on the topic, but the basic idea is that by generalizing the idea of string theory to higher dimensional objects than simply one dimensional strings, you can extract all the different competing string string theories by various types of limits, compactifications and something referred to as duality which did not undertstand too well. In any case, the main impact of Mtheory is the new claim that string theory is a unique theory (since Mtheory now shows that all the previously competing string theories are mathematically related to each other).
I seem to recollect that the duality aspect of string theory was in how they were expressed  Modes, as it were.
It's been a while since I tried to study this in school (same thing, Mitchell  I am not bad at the math and physics, but String Theory went way beyond me. The math that is, not the concepts).
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