By Mark P. Silverman
The essays during this ebook are in response to researches the writer has undertaken on a variety of themes, a few utilizing apparatus not more complex than what you will find in a regular kitchen, others making based use of subtle experimental equipment. proposing a private odyssey in physics, Silverman investigates strategies for which no visualizable mechanism could be given, or that appear to violate primary actual legislation (but do not), or that seem to be good understood yet turn into subtly devious. Written in an engagingly own variety, the essays can be of curiosity to scholars of physics and comparable disciplines in addition to expert physicists. notwithstanding they care for sophisticated thoughts, the discussions use little arithmetic, and a person with a bit university physics may be capable of learn the e-book with pleasure.Silverman's researches care for in quantum mechanics, atomic and nuclear physics, electromagnetism and optics, gravity, thermodynamics, and the physics of fluids, and those essays tackle .such questions as: How does one understand that atomic electrons circulation? could an "anti-atom" fall upward? How is it attainable for randomly emitted debris to reach at a detector preferentially in pairs? Can one effect electrons in London by means of now not looking at them in big apple? Can a particle be prompted through a magnetic box in which it doesn't go? A basketball isn't really replaced via turning it as soon as round its axis, yet what approximately an electron? Can extra mild replicate from a floor than is incident upon it? "A Universe of Atoms" is the second one version of Silverman's "And but It Moves"; each one essay within the prior assortment has been revised and up to date, and a few new essays at the unusual physics of universal items were further"
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Extra info for A Universe of Atoms,an Atom in the Universe
It is this pure tone or whistle, whose frequency increases with the velocity of swirling—and hence with the pressure of the compressed air—that is purportedly responsible for the spectacular separation of temperature in a vortex tube. , an effect that survives averaging over time). How can a high-pitch whistle—a sound that, depending on air velocity and cavity geometry, can be on the order of a few kilohertz—influence the steady (or, in electric terms, the dc) component of flow? ” As a result of a small nonlinear convection term in the fluid equation of motion, an acoustic wave can act back upon the steady flow and modify its properties substantially.
It contains excerpts from ‘And yet it moves . . strange systems & subtle questions in physics,’ by Mark P. Silverman, . . ” I never heard of “the Potapov device,” but it did not take more than a few mouse clicks to learn all that I needed to know about it. According to one source,29 it was a water-heating device developed in Moldavia by Dr. Yu. S. ” But why stop at a mere 300% efficiency? Another more exuberant source30 proclaimed that “Potapov’s devices input several kilowatts of electricity into a centrifugal water pump .
Instead, before an element of gas newly arrived at some location can adjust its temperature to that of its surroundings, it is again moved away. 26b) in which g = cP/cV is the ratio of the molar specific heat at constant pressure to the molar specific heat at constant volume. 14 Had we known to begin with the adiabatic relations (together with the ideal gas equation of state and the barometric equation), we could have deduced the linear dependence of temperature on altitude rather than adopt it as an empirical fact.