Jerry Harvey
Jerry Harvey | |
|---|---|
| Known for | Critique of Special Relativity; the "Earth's stabilizing groundwork"; "stylized inertial frames" |
| Scientific career | |
| Fields | Physics, Relativity, Philosophy of Science |
Jerry Harvey is an independent scientific researcher and critic of Einstein's special theory of relativity. Coming to physics from philosophy and critical thinking rather than from a formal physics career, he has spent about three decades examining the theory's foundations, and argues that while the relativity principle inherited from Galileo is sound, the relativistic effects built on top of it — time dilation, length contraction, mass increase and the relativity of simultaneity — are questionable and inadequately evidenced. He is a regular participant in the discussion forums of the John Chappell Natural Philosophy Society and in the Cosmology discussion sessions associated with Roger J Anderton's YouTube channel.
Biography
Harvey describes himself as an independent scientific researcher. By his own account, given when introducing his November 2024 CNPS presentation, he came to theoretical physics by way of philosophy: he had been reading philosophy for some time and had "gotten the hang of critical thinking" when, at around the age of twenty-one, he bought an Einstein T-shirt at a shopping mall and decided he could not go on wearing it without knowing something about Einstein. He bought a book on relativity and set out to understand the theory properly rather than merely learn its results. The more carefully he read, the less the argument seemed to him to add up logically; at first he assumed the fault was his own and gave Einstein the benefit of the doubt, but he continued to find what he came to regard as genuine mistakes. In the same talk he described having worked on the question for roughly three decades.
He has no institutional affiliation and works outside academia. He has taken part in CNPS forums and online sessions for several years, and in the Cosmology discussion group that meets online and whose recordings appear on Roger J Anderton's YouTube channel; his first formal CNPS presentation was given in November 2024, hosted by Ian J Cowan.
Scientific contributions
Critique of special relativity
Harvey's central project is a non-mathematical, conceptual examination of special relativity: as he frames it, asking what within the theory is a valid description of reality and what is questionable or possibly inaccurate. He deliberately avoids tensors, partial differential equations and the formal derivation of the Lorentz transformations, on the grounds that the theory's difficulties are difficulties of logic and physical meaning rather than of algebra. He treats the theory point by point.
The first postulate. Harvey accepts the relativity principle, which he traces to Galileo's Dialogue of 1632 rather than to Einstein. All inertial frames are equally valid; there is no absolute frame; and velocity has no meaning at all except by direct reference to something else. He illustrates this with a ball bounced in a bus moving smoothly at constant velocity — it behaves exactly as it does on the ground — and with two spacecraft in otherwise empty space, where an isolated object simply has no determinate speed, and where it is equally valid to attribute the motion to either craft or to divide it between them in any proportion.
The second postulate. The constancy of the velocity of light is where he parts company with the theory. He questions whether adequate evidence for it exists, notes that accounts differ as to whether the postulate came out of Maxwell's equations or was Einstein's own invention, and disputes the standard reading of the Michelson–Morley null result as proof of it. His principal objection is that constancy of c regardless of the relative motion of source and observer conflicts with the elementary relation of distance, velocity and time: if a source recedes at nearly the speed of light, there is, on his reading, a great deal of distance left unaccounted for.
Time dilation. Harvey regards time dilation as a device introduced to absorb the difficulty created by the second postulate — space and time being asked to alter their properties in order to accommodate a constant c. He presses the reciprocity problem: if two spacecraft approach one another at half the speed of light, nothing in the theory determines whose clock runs slow, and the differences ought simply to cancel. Where a real asymmetry is observed, as in the Hafele–Keating flying-clock experiment, he attributes it not to time itself but to physical effects on the clocks. Atomic clocks, he argues, work on an oscillatory principle akin to a pendulum, and are therefore susceptible to acceleration and possibly to atmospheric pressure and other environmental influences — much as a pendulum hung in a car is disturbed when the brakes are applied. He cites the familiar demonstration in which a set of metronomes ticking out of step on a platform free to rock on cylinders gradually falls into perfect synchrony, as evidence that mechanical coupling within a frame can bring oscillators into agreement without any change in time itself.
A maximum velocity. The prohibition on travelling faster than light, Harvey observes, is stated without specifying the frame against which that velocity is to be measured. Since velocity is meaningless without a direct reference, and since the theory itself denies any universal frame, he holds the speed limit to be left undefined.
Length contraction and mass increase. Harvey traces length contraction to FitzGerald, who proposed it to explain why the Michelson–Morley interferometer failed to detect the ether — a hypothesis invented, in his account, to save the ether rather than one derived from evidence, and one which requires the ether to physically compress objects along their direction of motion. He notes that different ether models (a fixed and stationary ether, a flowing ether, ethers made of gravitational fields or plasma) would have to produce this compression in different ways, and that not all ether theorists accept length contraction at all. On mass increase, deduced by Lorentz from FitzGerald's equations, he points out the oddity of an object simultaneously shortening and growing, and argues that the charged-particle experiments taken to demonstrate it in fact measure the particles' inertia rather than any observed increase in size. Length contraction, on his reading, was accepted largely by default because mass increase was thought to have been proved.
Relativity of simultaneity. Harvey questions the experimental basis for the claim that events simultaneous for one observer need not be simultaneous for another, noting that at terrestrial distances the speed of light is so great that the predicted difference would be beyond detection.
Inertial frames and the Earth's stabilizing groundwork
In his May 2025 Cosmology-session talk Harvey developed a positive account of inertial frames. He holds Galileo's principle — that the laws of physics are the same in all inertial frames — to be "effectively the truth", noting that it is essentially Newton's first law expressed in terms of frames rather than objects, and that the defining feature is simply the absence of acceleration. Truly idealized inertial frames, he argues, cannot exist anywhere in the universe, because tidal influences from distant masses always intrude; he suggests that every physical object, down to a speck of dust, exerts some astronomically minuscule influence on everything else. But the absence of a perfect inertial frame does not discredit the concept, which remains highly useful and is in practice sufficient for experiment.
He proposes the term stylized inertial frames for environments that are consistent rather than strictly inertial — gravitational, uniformly accelerating, or rotating frames in which experiments nonetheless yield reproducible results. Identical experiments in two spacecraft accelerating identically, or in two identical spinning cylinders, will agree; predictability, not straight-line motion, is what does the work.
His related coinage is the Earth's stabilizing groundwork. The Earth is not a truly inertial frame, since it spins and orbits the Sun, yet it serves as an effective laboratory frame. Harvey attributes this to the Earth's gravity, which he says counteracts the accelerations of spin and orbit to provide a stable, equilibrium environment in which physics operates predictably — an inertial environment in the presence of gravity. The residual accelerations are real but so slight that precise instrumentation such as a Foucault pendulum is required to detect them. He regards the same notion as applying to other celestial bodies. Harvey also credits Einstein with a sound methodological choice in setting gravity and acceleration aside in special relativity in order to isolate uniform relative motion, even while rejecting the relativistic effects that theory goes on to assert.
CNPS talks
He has presented in the CNPS online seminar series:
- "Critique of Special Relativity with Jerry Harvey" (23 November 2024) — hosted by Ian J Cowan
YouTube Videos
Talk presented in the Cosmology discussion sessions on Roger J Anderton's YouTube channel (@rogeranderton418):
- Relativity principle (4 May 2025) — "The relevance of inertial frames and the Earth's stabilizing groundwork"
- Follow-on discussion of Critique of Special Relativity with Jerry Harvey (24 November 2024)
External links
- Critique of Special Relativity with Jerry Harvey — John Chappell Natural Philosophy Society channel
- Roger Anderton's YouTube channel — Cosmology discussion sessions