![]() ![]() Just what those circumstances are occupies much of Bodanis's book, which pays homage to Einstein and, just as important, to predecessors such as Maxwell, Faraday, and Lavoisier, who are not as well known as Einstein today. Mass, he writes, "is simply the ultimate type of condensed or concentrated energy," whereas energy "is what billows out as an alternate form of mass under the right circumstances." David Bodanis offers an easily grasped gloss on the equation. But far fewer can explain his insightful linkage of energy to mass. Just about everyone has at least heard of Albert Einstein's formulation of 1905, which came into the world as something of an afterthought. ![]()
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