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The universe has many secrets. It may hide additional dimensions of space other than the familier three we recognize. There might even be another universe adjacent to ours, invisible and unattainable . . . for now.
Warped Passages is a brilliantly readable and altogether exhilarating journey that tracks the arc of discovery from early twentieth-century physics to the razor's edge of modern scientific theory. One of the world's leading theoretical physicists, Lisa Randall provides astonishing scientific possibilities that, until recently, were restricted to the realm of science fiction. Unraveling the twisted threads of the most current debates on relativity, quantum mechanics, and gravity, she explores some of the most fundamental questions posed by Nature—taking us into the warped, hidden dimensions underpinning the universe we live in, demystifying the science of the myriad worlds that may exist just beyond our own.
- Sales Rank: #220131 in Books
- Brand: Harper Perennial
- Published on: 2006-09-19
- Released on: 2006-09-19
- Original language: English
- Number of items: 1
- Dimensions: 8.00" h x 1.15" w x 5.31" l, .85 pounds
- Binding: Paperback
- 499 pages
- Great product!
From Publishers Weekly
The concept of additional spatial dimensions is as far from intuitive as any idea can be. Indeed, although Harvard physicist Randall does a very nice job of explaining—often deftly through the use of creative analogies—how our universe may have many unseen dimensions, readers' heads are likely to be swimming by the end of the book. Randall works hard to make her astoundingly complex material understandable, providing a great deal of background for recent advances in string and supersymmetry theory. As coauthor of the two most important scientific papers on this topic, she's ideally suited to popularize the idea. What is absolutely clear is that physicists simply do not yet know if there are extra dimensions a fraction of a millimeter in size, dimensions of infinite size or only the dimensions we see. What's also clear is that the large hadron collider, the world's most powerful tool for studying subatomic particles, is likely to provide information permitting scientists to differentiate among these ideas soon after it begins operation in Switzerland in 2007. Randall brings much of the excitement of her field to life as she describes her quest to understand the structure of the universe. B&w illus.
Copyright � Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.
From The New Yorker
Randall, a professor of physics at Harvard, offers a tour of current questions in particle physics, string theory, and cosmology, paying particular attention to the thesis that more physical dimensions exist than are usually acknowledged. Writing for a general audience, Randall is patient and kind: she encourages readers to skip around in the text, corrals mathematical equations in an appendix at the back, and starts off each chapter with an allegorical story, in a manner recalling the work of George Gamow. Although the subject itself is intractably difficult to follow, the exuberance of Randall's narration is appealing. She's honest about the limits of the known, and almost revels in the uncertainties that underlie her work—including the possibility that some day it may all be proved wrong.
Copyright � 2006 The New Yorker
From Booklist
A theoretical physicist who specializes in the so-called standard model of particle physics, Randall explains the particles and forces depicted in that model, and where the model fails as a picture of the real subatomic world. (For example, it does not explain gravity's weakness compared with electromagnetism and the weak and strong nuclear forces.) Randall's renown among physicists derives from her proposed solutions to deficiencies in the standard model, which, unlike some of the outre propositions of string theory, can be experimentally tested. That she borrows from string theory the concept of "branes" will be of high interest to science readers, for if vindicated by results from particle accelerators, she will have discovered evidence that extra dimensions are real places that gravity leaks into, an achievement that would seem to be Nobel Prize territory. Randall writes as clearly as possible, but in order to follow her text, readers will need to persevere; those who attentively do can consider themselves inducted into the fifth dimension. Gilbert Taylor
Copyright � American Library Association. All rights reserved
Most helpful customer reviews
105 of 113 people found the following review helpful.
Why I liked Lisa Randall's new book
By Lee Smolin
Lisa Randall is one of the most important and influential theoretical particle physicists working today and this book tells the story of how she came to her most important ideas. The book is full of detail and takes the reader into the minds of the author and her collaborators as they struggle towards the discovery of a new approach to the key problems in particle physics. What I really like is that she takes the time to tell the real story, and not just some oversimplified version.
She is also refreshingly honest. She explains the motivation for her work, but unlike many of our colleagues, she does not oversell. You can think of her as a reliable climbing guide. With her help you can get to the top of a mountain you could not climb yourself. But you never forget about the difficultyies and the risks that both professionals and amateurs take when we try to advance our understanding of the laws of nature.
As a theorist myself, I am aware of how far we are from solving the problems in elementary particle physics thyat Lisa Randall's work addresses. But I am sure we will get there and my optimism is due in no small part to the fact that Lisa and her colleagues are on the case.
0 of 0 people found the following review helpful.
Warped Passages- What to do with the higher dimensions of stgring theory- by Lisa Randall
By Roger B. Clough
Lisa Randall of Harvard is one of the most imaginative popularizers of modern physics, who has the mind of a brilliant physicist combined with the imagination of a poet. With Randall, these two talents are not a zero sum game, the two talents actually synergize in her writing. As an example, her book, Warped Passages, manages to tackle the elusive issue of how to deal with higher dimensions in string theory and trace its implications through the world of modern physics by the use of her imaginative concept of bulk dimensional domains. These are regions of full higher-dimensional space.
Such a concept is an alternative to the somewhat convoluted (to my mind) Kaluza-Klein solution for the higher dimensional domains of strings, in which the higher dimensions are wrapped around the
lower dimensional axes
Although not mentioned by Randall, because it seems to be unknown to the community of string theorists, another possible solution to the higher-dimensional problem is to realize that strings do not inhabit physical space, they inhabit mental or quantum space
(the timeles spaceless domain of Plato's Mind). Then the solution to the higher higher dimensional problem is to relegate strings l to the mental space of Leibniz's dual-aspect, monadic, mental-physical or quantum-physical universe. In that quantum space, which is not physical but mental, and is also timeless and spaceless, an infinite number of mental or quantum dimensions is opened up so that the regions of bulk domain can be dispensed with. For details on Leibniz's dual aspect universe, one has to consult his Monadology.
-Ever since Hume, science has imprisoned us in the dark cave of materialism and blind empiricism
and needs to restore us to the quantum sunlight of plato (plotinus) -- see my website
[...] or search in Google with a search term such
as Clough platonic theory of mind Site: [...]
2 of 3 people found the following review helpful.
A warped book
By John S. Reid
As a short review, if you are interested in the subject of particle physics and extra dimensions, don't waste your time reading this book. You would be better served by reading the excellent presentations of these topics which can be found on Wikipedia.org.
My initial thoughts on this book are well captured by the review by Mr. Joe Kern (2-star review posted on May 15, 2007. (And please see my "comment" to Mr. Kern's review.)
As indicated in my comment to Mr. Kern's review, I would like to add some additional comments regarding this book.
In the first instance, Dr. Randall cannot determine who her audience is. A writer needs to write for an intended audience, and to this end Dr. Randall is a phenomenal failure. She cannot decide if she is trying to introduce the world of particle physics and extra dimensions to the ignorant masses, or if she is trying to sell her personal view of "a warped extra dimension" to her peers, or to producers of a Science Channel program. Certainly the idea of trying to sell her "warped extra dimension" view of the world to the ignorant masses is stupid - we are so ignorant about the subject that we can't form an opinion one way or the other (and not that it would matter if we could). Perhaps she's merely trying to become a "celebrity physicist" so that she can appear on The Science Channel (and get some money and some exposure). (And to this latter end, it appears as if she has obtained some limited success.)
If Dr. Randall is trying to educate the ignorant masses, she misses the target audience by a factor of ten (or more). She presumes that her readers will include folks who are so adverse to math that they don't even know the definition of "integer" (see footnote at page 129), or the concept of "inverse proportionality". I find it hard to believe that anyone who does not know the definition of "integer" would read a book about high-energy particle physics, and dimensions beyond the four we are accustomed to. Randall should anticipate that her target readers have at least some high-school-level familiarity with basic math. Rather, Randall proceeds from the assumption that her audience is math-stupid. But she then goes on to discuss difficult concepts such as symmetry breaking. Give us a break, Dr. Randall. Anyone who can understand "symmetry breaking" should be able to understand some basic mathematical concepts. So presenting a little math in the text is not going to be a wet dishrag on sales of your book.
As for advancing her personal agenda (i.e., the "warped fifth dimension"), to date (June 2016) the Large Hadron Collider ("LHC") has not generated any data that would support her view (as presented in this 2005 book). Perhaps this is due to the limited operational time of the LHC, and the difficulty of obtaining time to conduct experiments using the LHC. At any rate, this book is now irrelevant in light of her 2012 book "Knocking on Heaven's Door", which still does not answer the question of whether or not her "warped extra dimension" theory is correct. (And what better way to promote your "rock-n-roll" hipster status than by using a Bob Dylan lyric as a title for your new book?) But wait - in the next year or so we'll see yet another book by her, and so on and so on. Randall is to celebrity physicists as George Hamilton is to celebrity actors - famous for being famous. She touts the acceptance of her grand mathematical accomplishment by the physics community at pages 435-437, but in the end all she has done is to develop some mathematical models that have yet to be proven by experimentation. Hubris is the word that comes to mind.
I would very much like to read a review of this book by a contemporary physicist who does not agree with her approach, or her views. Alas, I suspect that by now Dr. Randall has acquired the celebrity status that exempts her from critical peer review in a generally public forum (such as the Amazon book review forum). While she may be subject to criticism in the world of papers published in obtuse sources such as "Physics Letters A", she has acquired a saint-like status in the world of popular opinion. Dr. Randall is to women physicists as Hawking is to ALS-affected physicists. Think about it - what has Hawking contributed to the world of physics other than the concept of "Hawking radiation" near the event horizon of a black hole? And what has Randall contributed to the world of physics other than her unproven abstract theory of "warped extra dimensions"? While her math may be good, it is still only math - nothing has been verified by experimental observation. In my opinion Randall is just a loud voice among a chorus of thousands of other physicists. Her best ability is in promoting herself, and not in promoting proven theories of particle physics.
My intended next read on this subject is "The Road to Reality - A Complete Guide to the Physical Universe" by Roger Penrose (2004). Penrose spends the first 300 pages of his 1000 page tome in developing the math that is essential to understanding the concepts that follow. So Penrose takes a more realistic approach to the subject than does Randall. Let's face it - some subjects require a difficult technical background in order to appreciate and understand the subject matter. One cannot understand quantum mechanics in the absence of a mathematical background anymore than one can understand the actions of a pharmaceutical compound in the absence of a biochemical background. The populist "For Idiots" concept that all things can be described in lay-terms (that are accessible to everyone) is a myth. At some point one needs to have the necessary detailed background knowledge, and understanding, in order to appreciate what is going on. And Dr. Randall fails to grasp this concept in her presentation (whatever her objectives may be).
Dr. Randall is a phenomenal success at promoting herself, but an absolute failure at promoting the world of physics beyond unproven theoretical conjecture. She is no Einstein (much as she would like to be, or would like us to believe she is).
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