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on 25 March 2017
Very readable. I found the end notes either very easy to follow or extremely hard/impossible. E.g. there are notes for the "mathematically inclined reader" but these notes actually address experts in the field! However, such notes do not affect reading the book and understanding the basic material.
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on 23 October 2017
Very well written, even if you are not a nerd you will enjoy it.
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on 26 October 2017
Explained the unexplainable. I was very pleased with the book.
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on 7 March 2017
Perfect good value.!
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on 27 October 2015
Good CD album due to expectation and ptoper delivery (dAb) +>
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on 7 August 2017
It's good.
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on 26 April 2017
Perfect
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on 10 June 2004
Brilliant. Complex ideas simply explained. The enthusiasm the author has to understand the universe, leaps from the page and grips the reader. Highly recomended. Pages and pages and pages of it as well so it'll last a while.
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on 5 October 2000
Explaining superstring theory to the lay reader is a massive task. Not only does Greene achieve this task with amazing clarity and vision he takes the reader through an introduction to quantum theory and general relativity (as well as some of their extensions) on the way.
This has to be one of the best written science books of recent years. I hasten not to add the word "popular" in case would-be readers imagine that this is a book for beginners, which it is not. If you have a scientific background you will find this book both accessible and exciting.
On the downside Greene explains superstring theory as if it has to be the Grail of the quest for a Grand Unified Theory. He could have done a lot more to explain that superstrings are not necessarily the only route to such a theory and that there are other interesting and elegant theories, too. But then Greene himself is a major player in superstring theory and one who has made significant contributions to the field. Superstrings are a theoretical concept which far from being proven, add a great deal of complexity without producing too much in the way of experimental evidence to support the model. But - and this is a big but - they do offer at least one unifying theory. Whether or not it is the only (or perhaps most elegant) approach capable of achieving that goal time alone will tell.
Definitely recommended for readers with some background.
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on 24 March 2002
Brian Greene should be feted for his extraordinary ability to elucidate complex and abstract thoughts about string physics and make them cogent for the masses. His flair in gently leading the readers to the subtleties and insights involved to profound truths about this remarkable theory is praiseworthy. This indeed is cutting-edge physics at its best.
People who have missed out on new strides modern physics has taken in the recent past should definitely give this book a read. The string theorists have tried to explain nature in the most basics of building blocks, i.e. strings - which resides in the ultra-microscopic plank-scale world - vibrating not in the 4-dimensional space-time we are familiar with but in a 10-dimensional space-time world (11 dimensional in the case of M-Theory). The extra dimensions which hasn't manifested itself experimentally or otherwise is said to be curled up in plank-scale sizes, explained by exotic mathematical models of Calabi-Yau shapes. The mere vibrations (clockwise or anticlockwise) of strings would generate the different fundamental particles(fermions) and the different force/messenger particles(bosons). One of the vibration patterns with mass=0 and a spin=2 exactly describes the elusive graviton, the messenger particle of gravitation and thus becomes the only theory to have gravitation built-in in a quantum mechanical way. SO this could be a theory of gravity - the holy grail for the physicists - and possibly the theory of everything, as it has tried to smoothen out the conflicts between quantum mechanics and general relativity - the two pillars of modern physics.
This is a journey which everyone should take for the sheer joy and excitement it creates and brings you closer to the inner workings of nature.
(At times, high school physics becomes necessary to understand the finer points Mr. Greene makes.) This journey which begins with concepts about special and general relativity and then to the standard model of particle physics, gathers pace and takes you on a ride of your lifetime through hidden dimensions, calabi-yau spaces, supersymmetry, gauge symmetry, space-tearing flop and conifold transitions, M-theory, p-branes, 3-branes wrapped black holes becoming massless and then transmutating into massless photons ... and finally when the ride ends you are left thrilled, amazed, overjoyed and gasping for air !!!
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