By Mark P. Silverman
The essays during this ebook are in accordance with researches the writer has undertaken on a variety of issues, a few utilizing gear not more tricky than what you will see in a standard kitchen, others making based use of refined experimental equipment. proposing a private odyssey in physics, Silverman investigates methods for which no visualizable mechanism will 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 kind, the essays can be of curiosity to scholars of physics and similar disciplines in addition to specialist physicists. even though they care for sophisticated suggestions, the discussions use little arithmetic, and an individual with a bit university physics should be capable of learn the ebook with pleasure.Silverman's researches take care of 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 be aware of that atomic electrons circulate? could an "anti-atom" fall upward? How is it attainable for randomly emitted debris to reach at a detector preferentially in pairs? Can one impact electrons in London by way of no longer staring at them in manhattan? Can a particle be prompted through a magnetic box by which it doesn't move? A basketball isn't replaced by way of turning it as soon as round its axis, yet what approximately an electron? Can extra gentle mirror from a floor than is incident upon it? "A Universe of Atoms" is the second one version of Silverman's "And but It Moves"; every one essay within the previous assortment has been revised and up-to-date, and a few new essays at the unusual physics of universal gadgets were additional"
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Additional info for A Universe of Atoms,an Atom in the Universe
Despite the time and effort that has been frittered away in the past, others will undoubtedly try again. On the whole, such schemes are bound to fail, but every so often, as in the case of Maxwell’s own whimsical creation, this failure has its positive side: when, from the clash between human ingenuity and the laws of nature, there emerge sounder knowledge and deeper understanding. 1. Wirbelrohr Follow-up In the years following publication of And Yet It Moves, I had again put the vortex tube aside and concerned myself with other matters.
Learning physics, I believe, is greatly facilitated when teachers can convey an appreciation for the power of general physical principles to account for what students frequently experience, yet rarely understand. It may turn out as well—and such is the case with the Coke bottle— that, for all its familiarity, a superficially simple object hardly worth noting may pose a daunting challenge. In such instances, the use of analogy provides a powerful strategy. If science, as Nobelist Peter Medawar has written, is the “Art of the Soluble,”6 then the art of that art is modeling, the capacity to exploit threads of commonality between outwardly dissimilar systems to arrive at a partial understanding of a complex and puzzling phenomenon.
Comedy of Errors: What Every Aeronaut Needs to Know 43 Replacing pressure P in Eq. 17b) or, equivalently, which is readily integrated between z = 0 and z = h to yield the exponential solution r(h) = r 0 e - h h0 . 18) Note that the characteristic height h0 = RT/Mg in Eq. 17a) is precisely the same quantity as the h0 in Eq. 14); this readily follows from use of Eq. 10b). , dr µ r in Eq. 19) of a sequence of terms as the index n approaches infinity. Substituting into Eq. 19) at n = 1, generates the result, Eq.