Quantum Weirdness, Or Not?

This is a foretaste of (more of) my own considerations on the subject of nonlocality.

A particular interferometer (below) is one reason why I believe in nonlocality, bomb or no bomb (see below for explosive considerations…).

Nonlocality is pretty obvious with a pinhole: the photon/electron spreads after it, it has “sensed” the size of the hole: sensing at a distance, that’s nonlocal.
The Quantum formalism, namely waves all over, parametrized with time, is intrinsically nonlocal.

And what’s wrong with nonlocality, anyway? I ask Einstein.
Nonlocality is how to get out of the homunculus theory… Namely that smaller is just like big, except smaller, ad infinitum…
Instead nonlocality says that smaller is everywhere… No homunculus anymore… The paradox, nonlocality, becomes the solution to this non sequitur, this infinite logical loop, that “smaller is just the same“… We know, from General Relativity, that smaller at some point becomes different: Planck length…

In the Mach-Zehnder Interferometer, Ian says below, that ”it seems the wave goes both ways but the photon, which acts as a particle, can only go one way.” How do we know that? That the photon acts like a “particle”, while in flight? As  Niels Bohr would point out, we have not grabbed a photon in flight. That the photon is received and emitted as a particle: we know that. It does not mean it’s a particle in flight, though… I call that Einstein’s Error:

EINSTEIN’S ERROR: The Multiverse

In 1905, his so-called Wonder Year, Albert Einstein presented a theory of the photoelectric effect. The new idea came in just two lines. However I boldly claim that Einstein’s theory of the photoelectric effect, although crucially correct, was also crucially wrong. Einstein said something he did not need to say, introducing as a fact the theory that there is such a thing as a particle-in-flight. Etc.:
https://patriceayme.wordpress.com/2015/03/26/einsteins-error-the-multiverse/

ianmillerblog

How can you test something without touching it with anything, even a single photon? Here is one of the weirder aspects of quantum mechanics. First, we need a tool, and we use the Mach-Zehnder interferometer, which is illustrated as follows:

There is a source that sends individual photons to a beam splitter (BS1), which divides the beam into two sub-beams, each of which proceed to a mirror that redirects them to meet at another beam splitter (BS2). The path lengths of the two sub-beams are exactly the same (in practice a little adjustment may be needed to get this to work). Each sub-beam (say R and T for reflectance and transmitted at BS1) is reflected once by a mirror. When reflected, they sustain a phase shift of π, and R sustains such a phase shift at BS1. At BS2, the waves going to D1 both have had two reflections, so…

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