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Original Title:	Why Does E=mc²? (And Why Should We Care?)
ISBN:	0306817586 (ISBN13: 9780306817588)
Edition Language:	English

Why Does E=mc²? (And Why Should We Care?)

Brian Cox

Hardcover | Pages: 249 pages

Rating: 4.03 | 7606 Users | 438 Reviews

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Title	:	Why Does E=mc²? (And Why Should We Care?)
Author	:	Brian Cox
Book Format	:	Hardcover
Book Edition	:	Special Edition
Pages	:	Pages: 249 pages
Published	:	July 1st 2009 by Da Capo Press (first published 2009)
Categories	:	Science. Nonfiction. Physics. Popular Science

Narrative In Pursuance Of Books Why Does E=mc²? (And Why Should We Care?)

The most accessible, entertaining, and enlightening explanation of the best-known physics equation in the world, as rendered by two of today’s leading scientists.

Professor Brian Cox and Professor Jeff Forshaw go on a journey to the frontier of 21st century science to consider the real meaning behind the iconic sequence of symbols that make up Einstein’s most famous equation, E=mc2. Breaking down the symbols themselves, they pose a series of questions: What is energy? What is mass? What has the speed of light got to do with energy and mass? In answering these questions, they take us to the site of one of the largest scientific experiments ever conducted. Lying beneath the city of Geneva, straddling the Franco-Swiss boarder, is a 27 km particle accelerator, known as the Large Hadron Collider. Using this gigantic machine—which can recreate conditions in the early Universe fractions of a second after the Big Bang—Cox and Forshaw will describe the current theory behind the origin of mass.

Alongside questions of energy and mass, they will consider the third, and perhaps, most intriguing element of the equation: 'c' - or the speed of light. Why is it that the speed of light is the exchange rate? Answering this question is at the heart of the investigation as the authors demonstrate how, in order to truly understand why E=mc2, we first must understand why we must move forward in time and not backwards and how objects in our 3-dimensional world actually move in 4-dimensional space-time. In other words, how the very fabric of our world is constructed. A collaboration between two of the youngest professors in the UK, Why Does E=mc2? promises to be one of the most exciting and accessible explanations of the theory of relativity in recent years.

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Ratings: 4.03 From 7606 Users | 438 Reviews

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There are some books that are enhanced by metamorphosis into audiobook, and others that need to remain firmly in the realm of the written word. Jeff Forshaw manfully reads out the equations but I couldn't manage to conjure them up in my mind's eye. The numerous analogies were enlightening, and I certainly feel I have learned things that I didn't know before, however often there was a big, unexplained leap from analogy to completion, possibly at the speed of light, or failing that at the square

Actual Rating: 3.5 Stars.The writing of science books is a difficult task. On one hand, you have a ready market of science nerds that will instantly pick up your book (an easy sale), but they want hard facts, maths and challenging concepts. On the other hand you have a large mass market audience wanting desperately to learn more about science but if you dive in with the hard facts, maths and challenging concepts you are (possibly) going to lose some of them along the way and turn them off

I listened to the audio book,dont you do that.even if the author says otherwise,this book is to be read because it involves lots of math.there was no surprise elements in this book which is the main spur for me to put one more star.maybe since i have already read some bestseller books of this genre i didnt find one.i wont recommend you to read this book if you have limited time.



(I never say this, but thank goodness I read this book in Hungarian. It was difficult enough without having to try and decipher what are the Hungarian equivalents of all the terms.)I have been meaning to read this book every since it came out in Hungarian, but now it seemed like just the light summer read I needed which, of course, it isnt, but Im fairly certain that Id find some parts of it very complicated even in winter, so what the hell. My main motivation to read this book was Brian Cox

I was expecting, from the first few paragraphs of the book, that I was going to breeze right through this. It didn't really happen that way. I had to take college physics, which included the basics of relativity and quantum theories, so I probably have a bit more knowledge than the average non-physicist. All the same, there were areas of this book that just did not seem to click at all, even after reading paragraphs over and over again. Usually the parts that didn't click were the "easy"

I loved this book, and it wasn't just that cheeky Brian Cox going on all the time about being covered in tweed and chalkdust (somebody please hand me a fan).'Why does E=mc2' is my fifth book from the Royal Society science book shortlist. If Marcus Chown is magical cellulite cream, this is physics bootcamp - no corners cut, no let's-take-it-easy-today-shall-we. Cox and Forshaw don't just want to explain this equation - they want you to understand it, to understand its power (predictive and