Introduction to Quantum Mechanics.

It's like the quantum number for spin-up/down was reset during the spin-left/right test. (reset from "up" to "?", please excuse my layman's language)

In the "B" experiment this detection of spin-left/right is not made and the result of the second up/down test yields 100% "up". Even though the beam in the spin-left/right apparatus is split into separate spin-left and spin-right paths (since the equipment is exactly the same, functions just the same (minus the detector)) the quantum number ("up") from the first up/down test block was not reset by the left/right test block.

The only difference between the setup of the original and "A" experiments and the setup of the "B" experiment is that the original and "A" detect the left/right split while "B" does not.

This is a "Double Slit" experiment for electron spin, yes?

So in a layman's analogy (not totally accurate but close enough for some understanding) is saying ..."When the spin-left/right paths are detected the quantum number for spin-up/down is reset to "?" thus allowing the second up/down test to spread the results among the quantum probabilities" ...acceptable?

SonGoku writes:I've been inspired by Dr. Adequate's series on Geology (an amazing thread), so I would just like to propose a similar introduction to quantum mechanics.The only mathematics involved will be matrices and vectors.EDIT: Vectors and matrices form the subject known as linear algebra, the amount of linear algebra necessary for the course will be explained in a separate pdf/post. To learn linear algebra you only need to know what a number is!So the idea is that the topics would be something like:
1. Derive quantum mechanics from looking at the Stern-Gerlach experiment. Basically that all the features of Quantum Mechanics (e.g. Complex numbers, probabilities) naturally follow from taking a serious look at how the spin of electrons is affected by a magnetic field.
First Set Of Notes2. Then, look into more depth at the framework we have derived. Deriving the uncertainty principle and entanglement for example.3. Next, focus on the probabilistic aspects of Quantum Mechanics and their meaning. Proof of the Kochen-Specker theorem and other such results, which serve to prove how probability in quantum mechanics differs from normal statistics and probability.4. Interpretations and Decoherence.5. Quantum computing, as an application of the preceding four sections.