Michelson–Morley Experiment (FM Perspective)

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What is measured

The Michelson–Morley experiment compares the travel time of light along two perpendicular paths.

Light is split into two beams:

• one travels along the direction of motion

• one travels perpendicular to it

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The beams are reflected back and recombined to produce an interference pattern.

If the travel times differ, the pattern shifts.

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Observed result

No significant shift is observed when the apparatus is rotated.

This means:

• the measured propagation speed of light is the same in all directions

• no directional dependence is detected

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Standard interpretation

In conventional descriptions, this result is taken to mean:

• there is no stationary medium (“ether”)

• the speed of light is invariant

• space and time adjust (Lorentz transformations) to preserve this invariance

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The FM perspective

In the Field Medium Model, light propagation is a process of local reorganization in a continuous medium.

Each segment of the path is realized through:

• local reconfiguration

• forward-directed gradients

• completion of coherent cycles

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The measured propagation speed reflects how quickly this process can occur.

👉 See: Waves and Resonances, Phase Locking and Coherence

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Why no directional difference appears

The experiment compares two paths within the same physical system.

In FM:

• the apparatus is itself a structured configuration of the field

• measurement processes (including clocks and interference) depend on local reorganization

• all parts of the system operate under the same field conditions

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Because of this:

• propagation along each path is governed by the same local process capacity

• no absolute reference to a “rest frame” exists

• the measured speed is the same in all directions

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No ether wind

The classical ether concept assumes a fixed background medium through which objects move.

This would produce:

• directional differences in propagation

• measurable shifts in interference

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In FM:

• the medium is not a static background

• local structure and propagation are co-defined

• uniform motion does not create a detectable flow relative to the medium

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Therefore:

• no ether wind appears

• no directional shift is expected

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Path equivalence

Each light path consists of a sequence of local reconfiguration steps.

Although the geometry differs:

• both paths require the same type of local process

• both are completed under the same field conditions

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The total number of completed cycles along each path remains equal.

This produces no observable phase difference.

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What is actually measured

The interference pattern depends on phase.

Phase reflects:

• how many reconfiguration cycles are completed along each path

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Since both paths accumulate the same number of cycles:

• the recombined waves remain in phase

• no shift is observed

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Comparison of interpretations

Both descriptions agree on the result:

• no directional dependence of light speed is observed

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They differ in explanation:

Standard interpretation

• invariance is preserved through adjustments of space and time

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FM interpretation

• invariance arises because all propagation and measurement are governed by the same local reorganization process

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Summary

In the Field Medium Model:

• light propagation is local reorganization of the field

• the apparatus and measurement process are part of the same medium

• no absolute rest frame is defined

• uniform motion does not produce a detectable flow

• both paths accumulate the same number of reconfiguration cycles

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No interference shift is expected.

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Final statement

The Michelson–Morley experiment does not rule out a physical medium.

It rules out a medium that behaves as a fixed background.

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In the Field Medium Model, the medium is:

• continuous

• local

• non-dissipative

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Under these conditions, no directional difference in light propagation arises,
and the observed result follows naturally.