By Clifford Pickover

ISBN-10: 0195336119

ISBN-13: 9780195336115

*bought from amazon
*DRM elimination by means of calibre

Archimedes to Hawking takes the reader on a trip around the centuries because it explores the eponymous actual laws--from Archimedes' legislations of Buoyancy and Kepler's legislation of Planetary movement to Heisenberg's Uncertainty precept and Hubble's legislation of Cosmic Expansion--whose ramifications have profoundly altered our daily lives and our figuring out of the universe.
all through this interesting publication, Clifford Pickover invitations us to percentage within the remarkable adventures of awesome, quirky, and passionate humans after whom those legislation are named. those lawgivers change into a desirable, assorted, and infrequently eccentric team of individuals. Many have been super flexible polymaths--human dynamos with a probably countless offer of interest and effort and who labored in lots of assorted parts in technology. Others had non-conventional educations and displayed their strange abilities from an early age. a few skilled resistance to their principles, inflicting major own soreness. Pickover examines greater than forty nice legislation, offering short and cogent introductions to the technology in the back of the legislation in addition to enticing biographies of such scientists as Newton, Faraday, Ohm, Curie, and Planck. all through, he contains attention-grabbing, little-known tidbits in relation to the legislation or lawgiver, and he presents cross-references to different legislation or equations pointed out within the ebook. For a number of entries, he comprises basic numerical examples and solved difficulties in order that readers may have a hands-on knowing of the applying of the law.
A sweeping survey of medical discovery in addition to an fascinating portrait gallery of a few of the best minds in historical past, this fabulous quantity will have interaction everybody attracted to technology and the actual international or within the spectacular creativity of those impressive thinkers.

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Additional resources for Archimedes to Hawking: Laws of Science and the Great Minds Behind Them

Example text

We wish to find the flux of a vector field C through the surface of the cube. We shall do this by making a sum of the fluxes through each of the six faces. First, consider the face marked 1 in the figure. The flux outward on this face is the negative of the x-component of C, integrated over the area of the face. This flux is − ∆x 6 Cx dy dz. * The following development applies equally well to any rectangular parallelepiped. 3-4 n (x + ∆x, y , z) ∆z (x, y , z + ∆z) 3 Fig. 3-5. Computation of the flux of C out of a small cube.

So we should have curl(grad T ) = ∇ × (∇T ) = 0. 47) which is zero (by Eq. 8). It goes the same for the other components. So ∇ × (∇T ) = 0, for any temperature distribution—in fact, for any scalar function. Now let us take another example. Let us see whether we can find another zero. 48) 2-9 because A×B is perpendicular to A, and so has no components in the direction A. 45), so we have ∇ · (∇ × h) = div(curl h) = 0. 49) Again, it is easy to show that it is zero by carrying through the operations with components.

And that is what we are going to do. Our approach is completely opposite to the historical approach in which one develops the subject in terms of the experiments by which the information was obtained. But the subject of physics has been developed over the past 200 years by some very ingenious people, and as we have only a limited time to acquire our knowledge, we cannot possibly cover everything they did. Unfortunately one of the things that we shall have a tendency to lose in these lectures is the historical, experimental development.

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Archimedes to Hawking: Laws of Science and the Great Minds Behind Them by Clifford Pickover

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