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What does E=mc2 actually mean? Dr. Brian Cox and Professor Jeff Forshaw go on a journey to the frontier of twenty-first century science to unpack Einstein's famous equation. Explaining and simplifying notions of energy, mass, and light-while exploding commonly held misconceptions-they demonstrate how the structure of nature itself is contained within this equation. Along the way, we visit the site of one of the largest scientific experiments ever conducted: the now-famous Large Hadron Collider, a gigantic particle accelerator capable of re-creating conditions that existed fractions of a second after the Big Bang. A collaboration between one of the youngest professors in the United Kingdom and a distinguished popular physicist,

"If you're not a physicist (or not yet a physicist) and you want to understand what Einstein and relativity are all about, you would do well to read this book. This writing is clear, sparkling in places, and totally without vanity...Read this book. It's your world, isn't it?"

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"A mild mannered, digressive, mostly math-free walk-through of the world's most famous equation...[It] remind[s] us that Einstein's equation is not some esoteric idea best pondered by scientific supermen, but a profound insight that continues to change lives...Cox and Forshaw's enthusiasm for their material is plain...You will find them accommodating escorts."

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"Cox and Forshaw skillfully combine biography with a narrative of discovery, employing some of Einstein's own thought experiments...I expected Cox and Forshaw to lament the current gaps in physics...But they are optimists tempered by hard doses of reality."

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"Pairs the enthusiasm of newcomers with the knowledge of experts...Cox and Forshaw have aimed their tour of gravity, mass and quantum weirdness squarely at the math-shy general public...A useful reminder of how profoundly strange physics can appear to the novice."

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"Master Einstein's famous equation in 266 easy pages: The authors answer their title question without using math more complicated than the Pythagorean theorem, providing a rich history of modern physics along the way."

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"Brian Cox and Jeff Forshaw tackle the most famous equation of all time in a remarkable comprehensible way...The pair make some surprising points that I haven't seen expressed in quite the same way...Well worth a read."

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"To get at the origins of

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"To move beyond a cursory understanding of Einstein's iconic equation, put yourself in the adept hands of physicists and science educators Brian Cox and Jeff Forshaw. Using clear language and a few clearly explained equations, they demystify physics' most counterintuitive claims."

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"[Cox and Forshaw] bend over backwards to reassure math-challenged readers...This is not only a painstakingly accessible explanation of spacetime, mass, particles, gravity, and a whole bunch of things that are just plain not simple. It's also an explanation, for non-scientists, of what physicists do, and why they want to do it."

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"Makes some of science's most famous tenets easily accessible-even for those who barely passed sophomore chemistry...Crisp, engaging prose."—

"A fun romp with science...The often amusing lecture by British physicists Brian Cox and Jeff Forshaw is written in plain language and full of fun examples."—

"A popular account of the intellectual interplay between elementary particle physics, relativity theory, and cosmology...It does a very nice job of explaining the counterintuitive aspects of spacetime and the relationship between time, space, energy, and mass...Readers of this book will be better prepared to understand the news coming out of CERN...Recommended."

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"[An] easy-to-read little book...Along the way, [Cox and Forshaw] very cleverly introduce all the ideas we will need to get to the world's most famous equation, E=mc2...Cox and Forshaw have made an important contribution in this area, one that will help school science teachers as much as it will their students."—