can anyone explain quantum mechanics or name a site which explains it?

Answer 1

This should help.........

http://www2.slac.stanford.edu/vvc/theory/quantum.html
http://en.wikipedia.org/wiki/Quantum_mechanics
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http://answers.yahoo.com/question/index?qid=20070105195948AA41Qvx
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http://en.wikiquote.org/wiki/Quantum_mechanics

http://en.wikipedia.org/wiki/Basic_quantum_mechanics
Quantum mechanics (or quantum theory) is a physical science dealing with the behaviour of matter and waves on the scale of atoms and subatomic particles. It also forms the basis for the contemporary understanding of how large objects such as stars and galaxies, and cosmological events such as the Big Bang, can be analyzed and explained. Its acceptance by the general physics community is due to its accurate prediction of the physical behaviour of systems, including systems where Newtonian mechanics fails. Quantum mechanics has had its big successes in explaining things that classical physics could not explain, primarily at the extremes of systems at the atomic scale or smaller, or at very low or very high energies, or at the lowest temperatures.

Answer 2

Whoaw! The question!
I hope for you nobody will do as it takes, well, so many pages to explain it!

however:
Quantum mechanics is, at least at first glance and at least in part, a mathematical machine for predicting the behaviors of microscopic particles — or, at least, of the measuring instruments we use to explore those behaviors — and in that capacity, it is spectacularly successful: in terms of power and precision, head and shoulders above any theory we have ever had. Mathematically, the theory is well understood; we know what its parts are, how they are put together, and why, in the mechanical sense (i.e., in a sense that can be answered by describing the internal grinding of gear against gear), the whole thing performs the way it does, how the information that gets fed in at one end is converted into what comes out the other. The question of what kind of a world it describes, however, is controversial; there is very little agreement, among physicists and among philosophers, about what the world is like according to quantum mechanics. Minimally interpreted, the theory describes a set of facts about the way the microscopic world impinges on the macroscopic one, how it affects our measuring instruments, described in everyday language or the language of classical mechanics. Disagreement centers on the question of what a microscopic world, which affects our apparatuses in the prescribed manner, is, or even could be, like intrinsically; or how those apparatuses could themselves be built out of microscopic parts of the sort the theory describes.[1]

That is what an interpretation of the theory would provide: a proper account of what the world is like according to quantum mechanics, intrinsically and from the bottom up. The problems with giving an interpretation (not just a comforting, homey sort of interpretation, i.e., not just an interpretation according to which the world isn't too different from the familiar world of common sense, but any interpretation at all) are dealt with in other sections of this encyclopedia. Here, we are concerned only with the mathematical heart of the theory, the theory in its capacity as a mathematical machine, and — whatever is true of the rest of it — this part of the theory makes exquisitely good sense.

Answer 3

read works by Dirac. he created quantum mechanics. wikipedia should not be relied upon because it is written by the masses for mass consumption and does not go through the same peer review a a real book.

Answer 4

wikipedia should be a good place to start

Answer 5

I have found this course