Month: September 2022

FRAGMENT FROM NATURE continues from last weekend and concludes this weekend on a remarkable paper by an Emeritus Professor of mathematics on a bold explanation for a new theory of physics that redefines spin and mass and does away with dark matter. Modern physics is about provocative fresh ideas, and this is certainly one of those. https://lnkd.in/e-atRRat View in LinkedIn

NEW SUBSTITUTION. “It is therefore desirable, if possible, to devise a more general theory that does not assume the equivalence principle.” https://lnkd.in/e-atRRat View in LinkedIn

QUANTUM VS CLASSICAL. “But this begs the question of how spacetime on the scale of elementary particles relates to spacetime on the human scale.” https://lnkd.in/e-atRRat View in LinkedIn

THE DOGMA. “There are four recognised forces of nature, namely gravity, electromagnetism, the weak nuclear force (responsible for radioactivity) and the strong nuclear force (responsible for holding the nucleus of an atom together), in order from large to small scale.” https://lnkd.in/e-atRRat View in LinkedIn

THE ISSUE OF SCALE. “As the scale changes, the relative importance of the different forces changes. There are two ways the scale-change can be measured. One way is directly in terms of distance and time, and the other way is indirectly in terms of speed and energy.” https://lnkd.in/e-atRRat View in LinkedIn

INVERSE RELATION. “These two ways of measuring are ‘dual’ to each other in the mathematical sense that the greater the energy, the smaller the distances that can be resolved.” https://lnkd.in/e-atRRat View in LinkedIn

SCALE ILLUSTRATED. “The interesting thing about the human scale is that both gravity and electromagnetism are very significant for us in our everyday lives, whereas the weak and strong nuclear forces are of marginal concern (except in certain parts of modern technology).” https://lnkd.in/e-atRRat View in LinkedIn

THE ISSUE OF MIXING. “The particular mix of gravity and electromagnetism that we experience is something particular to our scale, and our place in the universe. But there is nothing in modern physics that measures this mixing.” https://lnkd.in/e-atRRat View in LinkedIn

MIXING ANGLE. “Mixing of forces is described in the technical language of particle physics via a ‘mixing angle’, which can in principle vary from 0◦ when one of the forces dominates, to 90◦ when the other force dominates.” https://lnkd.in/e-atRRat View in LinkedIn

KEY RATIO. “If there is indeed a mixing angle of this type between electromagnetism and quantum gravity, then its effect in everyday terms is to measure a ratio between inertial mass and gravitational mass. As long as this ratio is constant, we will never notice the difference.” https://lnkd.in/e-atRRat View in LinkedIn