Theoretical Physicist Matt Strassler wrote, “Spin is fundamentally unintuitive. I can tell you facts about spin, I can show you math about spin, but I cannot tell you how to visualize it, because you and I have never see anything “spin” the way particles do. Sometimes particle physicists really have to rely on the math to explain the world we see. We understand spin very well (in the sense that we can predict everything about it using math) but that doesn’t mean we can visualize it independently of the math. And that’s the basic problem (see http://profmattstrassler.com/2014/02/13/more-on-possible-unexpected-higgs-decays/ ).”

Quantum spin is the greatest mystery in physics, especially about its ‘unit’ = ½. Yet, physicists sweep away that mystery by saying that they know how to calculate it and are all happy about, and this is a truly very unfortunate thing for physics, as this ‘quantum spin’ is ‘the key’ for all the following mysteries.

- Why is there the cosmological constant (Λ)?
- Why is there the Cabibbo angle?
- Why is there the Weinberg angles?
- Why is there the Alpha?
- Why is there the Neff = 3?
- Why is there the Planck data?
- How to give rise to the particle zoo of the Standard Model?
- How to give rise to Baryongenesis (see above)?
- How to give rise to quantum principle?
- How to give rise to unified force equation?
- How to give rise to life?
- Why is here something rather than nothing?

The ‘first principle’ of Alpha-physics (which gives rise to Alpha, the fine structure constant) is the ‘Ghost-rascal conjecture’.

Ghost-rascal conjecture: “For a coin flipping game (head vs tail), T is the number times flip as one ‘game’, N is the number times that that ‘game’ is played. If T >= 3 and N >= 10^500, then no amount of sabotage from a Ghost can change the outcome of this game.” Note: a brief description of this first principle is available at http://snarxivblog.blogspot.com/2014/01/numerology-from-m-theory.html?showComment=1392313886816#c7025747599651769791 .

The flip (or ‘spin’) of a coin has only two outcomes (head vs tail), that is, the unit of this ‘spin’ is = ½. Yet, its ontological meaning of this ½ is of supreme importance. When a ½ appears (such as a head), it points to the solid fact that the tail (which did not appear) is also a concrete reality. That is, this coin-‘spin’ universe has two parts, the materialized part and the ghostly invisible part (which is just as real as the material part). This two parts form a single (not many) universe.

What is the physical consequence for having two parts in this universe? That is, for a spin- ½ particle, it will ‘see’ two copies of universe. For a spin- ½ particle sitting in a room while facing a mirror at its front with a door at its back, it will not come back to its original position after rotating 360 degrees, that is, instead of seeing the mirror, it will facing the door (which was at its back before the rotation). In fact, it (the spin- ½ particle) can only come back to its original position after rotating 720 degrees.

Now, we have visualized the ‘quantum-spin’ which gives rise to two copies of universe (not multiverse) which is the consequence of a ‘Perfect Symmetry’, the real/imaginary time symmetry (see http://www.prequark.org/Mphy.htm ). Without this Perfect Symmetry, none of the above ‘why-‘issues can be resolved, and there is no way out on this.

For the ‘Ghost-rascal conjecture’, a brief description of it is also available at the following places.

- http://rationallyspeaking.blogspot.com/2014/02/rationally-speaking-podcast-max-tegmark.html?showComment=1392189721258#c3682891828056566717
- http://www.quantumdiaries.org/2014/02/07/interpretations-of-quantum-mechanics/#comment-172443
- http://tienzen.livejournal.com/1026.html

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