History and experiment
Published by admin October 25th, 2007 in Physics, Doctors of Philosophy, Cavendish ExperimentPhysicists dismiss my articles questioning force, Newtonism and mythological Newton as historical subtleties better left to historians. Concepts of physics are either legal or illegal; they don’t have history. You cannot do physics by arguments based on historical facts. Applied to physics history can only produce polemics.
At the root of these objections there is the implicit assumption made by physicists that if it is legal physics it is physics; if it is not legal physics it is not physics but it is outside of physics. Outside of physics is metaphysics which is defined as career sink. Therefore, every physicist must consider either to uphold the laws of physics and never question them and advance in the hierarchy or question physics doctrines and be a scientist without a career or a job. The same dilemma is faced by every professional active in any field based on legalized doctrines. Laws can only be questioned by outsiders who do not recognize the authority of the law makers.
It is also possible that physicists are saying
we don’t care about the history of G. We don’t care how G came to be, who defined it, and what it means. What matters in physics is that we measure G in an experiment and we find its value. History cannot change the results of experiments. Experimental results overrule historical facts.
In physics, as claimed by physicists, experiment comes first. If physicists measure G then G must be a measurable quantity. I believe this not to be the case. Here’s a simple proof:
Assume that I defined G as Newton’s Soul:

In this case, rational physicists, however few there are of them, will agree with me that “Newton’s Soul” is a pre-scientific scholastic virtue and no experiment can measure it. Majority of physicists, though, will make Newton’s Soul a physical quantity by defining it as measurable. It is no doubt measurable in some flavor of n-dimensional AdS solutions with a very soulful vacuum. Fine. And I cannot argue with such elegant arguments. But since experiment is king of physics I can easily show that the unit value of Newton’s Soul = S is measured by the Cavendish experiment.
Write the equation of motion of the Cavendish experiment

with S instead of G:

This is a nonlinear equation and it does not have an analytical solution. The solution is a best fit of the parameters of the pendulum to pendulum equation.
According to the equation of motion the Cavendish pendulum is not moved by Newton’s Soul or Newton’s Force because S and G have no effect on the pendulum as described by the equation.
In the numerical solution G and S are treated as constants of the pendulum. It is the same as computing, say, the torsion constant k. You might say, well, right, the way we compute the torsion constant, we also compute, G, the force constant. Exactly. Physicists made G a constant of the pendulum. What does this mean? A constant of pendulum means that the pendulum was built to have this constant. Any given Cavendish pendulum is built to give the known value of G.
The same with Newton’s Soul S. Just like the Cavendish so-called experiment yields the known value of G it will give the preferred value of S. The value of S, just like G, depends on the constants of the pendulum.
If in the 19th century Newtonian physicists had chosen to define G to have 10 times its present value, modern physicists would be measuring 10*G in the Cavendish experiment. They will build a pendulum to give 10 times the present value of G. The value of G is not decided by nature but by physicists.
This is where history comes in. As long we keep history clean of physicists’ corruption history will be a better judge of scientific concepts. History tells us that G is an arbitrary unit. It is not a constant and it cannot be measured. But why do Doctors of Philosophy who are haters of anything non-theoretical insist on experimental verification? Because Doctors have authority over experiment. Doctors of Philosophy build yes-man gadgets that always say yes to their doctrines. The Cavendish pendulum has no choice but to oscillate with the period it was built to oscillate.
Historical facts overrule physicists’ pseudo-experiments.