Introduction

Each experiment below has been widely cited as proof of mass–energy equivalence.

Here we examine each using five clear criteria:
– What Was Done

– What Was Assumed

– What Was Not Done

– Irrelevance of Light Speed (c²)

– Structural Verdict

Cockcroft-Walton (1932)

What Was Done:
Bombarded lithium with high-energy protons. Observed nuclear disintegration into alpha particles. Measured energy of released particles. Claimed the energy released matched the mass loss, using E = mc².

What Was Assumed:
That the mass difference represents conversion into energy. That c² is a valid scaling factor for conversion.

What Was Not Done:
No reversal: released energy was not converted back into lithium. No demonstration of mechanism for conversion.

Irrelevance of Light Speed (c²):
Light speed was never measured or used. c² served only as a conversion constant. All processes occurred on a scale where light would be functionally instantaneous.

Structural Verdict:
Demonstrated containment loss. Did not demonstrate conversion.

Joliot-Curie “Photograph” (1933)

What Was Done:
Reported to have taken a photograph showing energy becoming mass. Used gamma radiation to trigger particle emission from aluminum. Interpreted visual evidence as conversion.

What Was Assumed:
That radiation entering created actual mass. That the image proved structural emergence.

What Was Not Done:
No replication shown. No identity or coherence of resulting mass demonstrated. No reversal (mass back into energy) tracked.

Irrelevance of Light Speed (c²):
c² was assumed, not measured. No temporal resolution capable of evaluating light travel speed.

Structural Verdict:
At most, this was a reaction. At worst, it was a symbolic artifact misinterpreted. Not a demonstration of conversion.

Nuclear Mass-Defect Experiments

What Was Done:
Measured total mass of reactants in fission and fusion reactions. Measured total mass of products and compared. Found ‘missing mass’ that matched the energy output via E = mc².

What Was Assumed:
That the energy was created by converting mass. That c² is a legitimate exchange rate between mass and energy.

What Was Not Done:
No attempt to restore the missing mass from the emitted energy. No demonstration that energy could restructure into atomic nuclei.

Irrelevance of Light Speed (c²):
No measurement of light’s behavior played any role in the result. c² again functions purely as a calculator. Result would be identical whether light is instantaneous or finite.

Structural Verdict:
This experiment proves that when atomic structure fails, energy is released. It does not prove that mass was turned into energy, only that coherence was lost.

Relativistic Particle Momentum Tests

What Was Done:
Accelerated electrons (and other particles) to near-light speeds. Measured increase in energy and momentum. Compared results with predictions from special relativity.

What Was Assumed:
That increased energy proves dynamic equivalence with mass. That mass and energy are interchangeable.

What Was Not Done:
No mass conversion observed, only energy change at velocity. No isolated release or recovery of mass from energy.

Irrelevance of Light Speed (c²):
c appears in the relativistic equations but is not measured. No experiment here actually observes light’s role; c² is again a constant.

Structural Verdict:
Describes energy under acceleration, not mass–energy transformation. Inertia increases, but no conversion occurs.

MIT/NIST/ILL Gamma-Ray Comparison (2005)

What Was Done:
Measured energy of gamma-rays emitted from silicon and sulfur nuclei. Measured mass difference between isotopes before and after emission. Calculated E and Δm; found excellent agreement using c².

What Was Assumed:
That c² governs actual transformation of mass into energy. That matching numbers validate conversion.

What Was Not Done:
No reversal attempt. No demonstration that gamma radiation can become mass again.

Irrelevance of Light Speed (c²):
c² never measured, only assumed. All interactions were so spatially confined that light’s travel could not be timed.

Structural Verdict:
Highly precise measurement of mass loss and energy emission. But still no proof of two-way conversion.

Atom Interferometry Tests (Modern)

What Was Done:
Used atomic clocks and interferometry to measure ultra-fine changes in mass and time. Detected relativistic effects at quantum levels. Verified E = mc² scaling in specific transitions.

What Was Assumed:
That these relationships demonstrate interchangeability. That coherence changes correspond to mass–energy change.

What Was Not Done:
No conversion back into original mass structure. No actual measurement of light motion or speed.

Irrelevance of Light Speed (c²):
Light’s behavior again plays no active role. The entire setup assumes light behaves predictably, it is never tested.

Structural Verdict:
Confirmed fine-structure coherence behavior. But again: no mass reconstruction, no closed cycle.

Produced by The Lilborn Equation Team:

Michael Lilborn-Williams

Daniel Thomas Rouse

Thomas Jackson Barnard

Audrey Williams