About Time: Einstein’s Unfinished Revolution (Penguin Science) by Paul Davies (PDF)

Description

This is a book about the meaning of time, what it is, when it has started, how it flows and where to. It examines the consequences of Einstein’s theory of relativity and offers startling suggestions about what recent research may reveal.

User’s Reviews

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐This is a remarkable book because it covers a broad range of subject matter – relativity, time warps, black holes, the Big Bang, quantum theory, imaginary time, time travel – effortlessly and understandably. It serves as an excellent stand-alone introduction to these subjects or as a first step for readers who are planning to go on to read Stephen Hawking’s

⭐or Kip Thorne’s

⭐.The author, a Professor of Natural Philosophy (Physics) at the University of Adelaide in Australia, has the ability to explain these complex subjects intelligibly and enjoyably (his abilities in this regard are similar to those of Richard Feynman). Any reasonably intelligent reader should have little trouble following his exposition.The only potential problem is that the book was written in 1994, and has not since been updated to reflect the (major) developments of the last decade but most of them build upon the foundations described here, so that it less of a problem that it might seem.Follow-on reading suggestions:*

⭐by Stephen Hawking.*

⭐by Kip Thorne.

⭐Over 5 or more years (of time) I have been reading books and articles on the “nature” of TIME, and have now become a serious student/investigator. Some books I have found to be extremely arcane, and though fascinating, impossible to agree or disagree with. Davies’ book is not one of these. It is a beautifully written account of the issues AND history(ies) (in brief) of the important men and their attempts to grasp the true meaning of one of the most elusive yet important concepts we live with. He discusses the major controversies, and places them, briefly, in their historical context. At times, he manages to wax humorist as he lays out a hypothetical scenario. If you have little or no physics background, you are not likely to understand many/mosst of the major concepts that are involved in the cosmological understanding of TIME, but if you decide you want to ‘get what you can for the fun of it’ I heartily recommend.this book for its historical perspective and writing style. E> E> Roberts,Ph.D.

⭐I liked this book. When I read the first pages, I thought that I had chosen the wrong book, but afterwards everything changed. Here you can find a light and clear review of many aspects of time.It is not perfect, and some times it is not clear what the author means with “time reversal”, etc, even if he tries to explain it several times. The theory about the proximity of Doomsday is also quite weak.In spite of this, you find a clear view of time as it is currently known by science. I have not found many new ideas, but in general they are well structured and consolidates what you have read separately in many other books. Apart from that, it has good rhythm, and it is easy to read and understand.

⭐Excellent, thoughtful and authoritarian without being overly pendantic. The Universe is vastly more unusual and unexpected than ordinary life would lead us to believe. This book helps to clarify this — or may be just bring up questions we may never have considered before. I would highly recommend this book to anyone with an interest in our place in the Universe. My only suggestion is that the title is a bit misleading. The emphasis diverges from the idea of time per se, and drifts more into cosmology and the origin of the Universe. Don’t get me wrong. This is not a criticism, but merely a suggestion for a better title.

⭐It is not an easy read (for me) but was an amazing book to read. If you want to think more about time and relativity and are not able to read Ph.D. level papers on the subject, I would suggest this book.

⭐Davies is an excellent author! This is my first read of one of his books and I found it easy to follow and very exciting to read. In fact I have purchased two more of his books and both seem to be of the same high quality of scholarship and easy style. Some of the concepts are tough but only because of our own individual histories and backgrounds. The physics are great, the math, held to a minimum but with enough insight into the math to make sense.Thank you to the author, who is prolific by the way, and I will be buying even more of your books!Larry Phenneger

⭐I like very much Paul Davies, especially books like The Mind Of God, but this one, About Time, is hard to follow …I feel like I am reading a collection of stories, with no obvious links to each other … getting me feeling I don’t know where the author wants to goSo when you get lost in a book, it’s hard to follow.Some parts are really deep and interesting, that’s why I’ll read the book till the end.However, some parts are too much deep and hard to follow if you don’t already have solid knowledge in:philosophy, metaphysic, history of science and history of humanity (among others, which Mr Davies obviously has).

⭐It’s a little old, and in physics, date of publication can be critical. It also veered away from the main topic, time, into a treatise on cosmology, and while cosmology has close ties to time, the book kind of lost sight of the main topic, which was supposed to be time. All in all, a decent book for those who are interested in the birth and growth of the universe, and how time fits into that puzzle.

⭐I’m fascinated with time, so looked forward to reading this. However not as easy going as I had hoped, or maybe my brain is not as able as I thought! I’m reading it in chunks though so gradually making my way through it. Some parts seem more easier to grasp than others, and I have enjoyed what I understood. Arrived promptly and safely.

⭐The author writes in a comprehensible manner that is both engaging and informative that leaves you wanting to read more of his work.The book is mainly dedicated to the modern history of Physics with a bit of Cognitive Psychology towards the end.I found he elucidates theories very thoroughly and does not shy away from giving examples from several different viewpoints on the same process. Even though this book is a few years older than ones I had read recently in the same area,it still remains a valid treatise on the subject and not many of the factual elements are in need of revision.

⭐love this sort of book, somewhere out there is a book that will make it all fall into placeI just need t okeep looking.

⭐Paul Davies si ripete ma non si smentisce. Scrittore seriale, il nostro è un notevole divulgatore scientifico, con un tocco di humor, che però si perde ampiamente nelle versioni tradotte dei suoi libri. Questo è il primo che leggo in italiano e risulta ben proposto, chiaro quanto possibile e fedele al pensiero del testo originale. Trattando di materia scientifica come quelle proposta, il rigore è essenziale.4 stelle perchè non apprezzo molto i voli pindarici che Davies intrattiene su temi quali i viaggi nel tempo. Avrei preferito una discussione più approfondita sulla natura del tempo. Ma mi rendo conto che il libro ha un intento divulgativo e in tale contesto i viagi nel tempo possono attrarre lettori.

⭐

⭐Davies writes well. Written in 1990s but relevant. Its not string theory. I got pirated copy. Amazon should look into feedback for seller. They are misusing Amazon platform. Beware.

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