12 April 2026

Scale-Dependent Observability of Physical Existence and Its Transformations.

Soumendra Nath Thakur 
ORCiD: 0000-0003-1871-7803
April 12, 2026

Existence, in this context, refers strictly to physical existence. However, not all physical existence is directly perceptible. Some forms of existence remain beyond human perception due to scale limitations, while others become perceptible only when they transform into an observable regime. Throughout such transformations, the principle of energy equivalence remains consistently preserved.

Human perception does not span the full scale at which existence operates. Instead, observability arises when a system transitions from an imperceptible scale to a perceptible one. For instance, Dark matter and Dark energy are not directly observable, yet their existence is inferred through measurable effects on baryonic matter.

A similar limitation appears in the behaviour of photons. As their frequency increases toward the limits defined by the Planck scale, they may transition beyond conventional observability. This conceptual boundary can be interpreted as a Planck threshold, where previously observable states become effectively unobservable due to scale constraints.

Therefore, human observability is fundamentally scale-dependent. What we perceive as “observable reality” is not the entirety of existence, but only the portion that lies within the accessible range of our observational scale.

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