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The Lighter Side of Gravity 2nd Edition
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Top Customer Reviews
The book offers a nice historical perspective, from Aristotle to Galileo and on to Newton and his laws of motion and gravitation. I particularly enjoyed the clear explanations surrounding the insight and possible clues that led Newton to the discovery of his law of gravitation.
The book's promotional litera! ture presents it as a layperson's guide to gravity, but without over-simplified (and erroneous) information. This is a high goal, and generally met, though the book's brevity might lead to some false notions. For example, the book portrays hydrogen burning as the fusing of four protons, with a helium-nucleus byproduct, two positrons, two neutrinos, and some energy. There is no mention of what theorists initially thought was the inadequacy of thermal energy to initiate fusion. There is no discussion of the importance of quantum tunneling, or the formation of helium 4 in stages (two protons form deuterium, from which helium 3 is formed, and then helium 4). Narlikar's book is not very long (only a little more than 200 pages) and could easily accommodate the extra detail.Read more ›