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The End of Time is a fascinating contribution to physics by a scholar and thinker who is taken seriously by physicists of the calibre of Wheeler and Smolin. But he has pursued a career outside the mainstream, living on a farm and refusing to get involved in traditional teaching and research. He argues that time is a purely local phenomenon, a way of seeing things, rather than something that actually meaningfully exists at the core of the Universe. This consists of a vast agglomeration of Nows, single moments whose relationship with each other is intimate, but not intrinsically one of causation.
"If time is removed from the foundations of physics, we shall not all suddenly feel that the flow of time has ceased. On the contrary, new timeless principles will explain why we do feel that time flows. The pattern of the first great revolution will be repeated. Copernicus, Galileo and Kepler taught us that the Earth moves and rotates while the heavens stand still, but this did not change by one iota our direct perception that the heavens do move and that the Earth does not budge."
The many worlds hypothesis is also true and the worlds that derive from alternate possibility exist alongside each other moment-by-moment. Seeing things in this way solves the more recondite problems of quantum physics--Schrodinger's Cat is both dead, and alive, and never in the box in the first place and at a time before the box was thought of, and long dead all in a set of Nows that sit alongside each other in the Platonic realm which is underlying reality. There are no paradoxes because Sequence is an illusion: this is philosophical physics for those of you who like to have your brains hurt. --Roz Kaveney
Kurzbeschreibung
A British theoretical physicist, Barbour has for 35 years been working to resolve the conflict between Einstein's theory of General Relativity and Quantum Mechanics, and thinks he has now done so. "Mind blowing... a brilliant and novel idea... I feel mentally enriched by the experience of reading Barbour's book and I am sure I will read it again. I urge you to do the same" John Gribbin. Subtitled }The Next Revolution In Our Understanding of the Universe{.
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Einleitungssatz
Nothing is more mysterious and elusive than time. Lesen Sie die erste Seite
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
Nothing is more mysterious and elusive than time. Lesen Sie die erste Seite
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7 von 7 Kunden fanden die folgende Rezension hilfreich
Seeds of a work beyond our Time
17. Januar 2009
Format:Taschenbuch
I'm not a physicist by profession though I conduct my own general inquiries into foundational issues of mathematical physics. I have read this book and I am deeply impressed and intrigued by the whole wealth of ideas and research works used by Julian to formulate his key concepts. As I read about Julian's life I find him a very committed scientist to probe deeper issues. While this book avoids explicit use of mathematical equations nevertheless, one needs to do a background study on his referenced papers in order to understand arguing grounds of this book.
There is only Quantum Statics! This is the key concept (and also mathematically argued) main theme of this book as Julian himself puts this on 2nd paragraph of page 253.
Now in my view this goes against all the impressions and ideas we have from what is generally considered as changing/temporal universe. It is so obvious that all is about motion and change and (almost) all formulations of general relativity and quantum mechanics do involve a time coordinate in order to capture this so basic observation, rate of change!
This is where Julian goes beyond or (deeper into) generally introduced framework of physics and attempts to introduce a Machian formulation of general relativity to probe into roots of (apparent) conflict among unification efforts of Quantum Mechanics with General Relativity: introduce a space of all possible relative configurations, called Platonia, which contains all possible relative configurations of everything that could ever exist(I'm adding some bits of my own wording here) and try to employ intriguing concepts/tools like `Best Matching' and `Machian Distinguished Simplifier' to trace how a notion of change comes into our ordinary formulation of dynamics. I consider these as requisites to grasp this book. Julian uses simple examples to convey his concepts.
As much as I understand Julian's works, it could be the implications of ideas are so powerful that if understood properly and imagined for their repercussions, they would open a door to a new view of workings of universe, reconciliation of classical field theories is one of them plus hint at deeper imports of gauge fields as derivative of Best Matching (expert readers may refer to Bruno Bertotti's papers in this regard).
I would rather not make any philosophical conclusions for the message that our universe is actually is static universe but I would encourage those readers of Heidegger's works in phenomenology of time and being to match Julian's ideas with Martin Heidegger's open ended inquiries.
I would recommend this book to anyone interested in nature of time; there are many other books written on the subject but this one is an exception. As for me it helped me with better understanding of classical dynamics.
Alireza
There is only Quantum Statics! This is the key concept (and also mathematically argued) main theme of this book as Julian himself puts this on 2nd paragraph of page 253.
Now in my view this goes against all the impressions and ideas we have from what is generally considered as changing/temporal universe. It is so obvious that all is about motion and change and (almost) all formulations of general relativity and quantum mechanics do involve a time coordinate in order to capture this so basic observation, rate of change!
This is where Julian goes beyond or (deeper into) generally introduced framework of physics and attempts to introduce a Machian formulation of general relativity to probe into roots of (apparent) conflict among unification efforts of Quantum Mechanics with General Relativity: introduce a space of all possible relative configurations, called Platonia, which contains all possible relative configurations of everything that could ever exist(I'm adding some bits of my own wording here) and try to employ intriguing concepts/tools like `Best Matching' and `Machian Distinguished Simplifier' to trace how a notion of change comes into our ordinary formulation of dynamics. I consider these as requisites to grasp this book. Julian uses simple examples to convey his concepts.
As much as I understand Julian's works, it could be the implications of ideas are so powerful that if understood properly and imagined for their repercussions, they would open a door to a new view of workings of universe, reconciliation of classical field theories is one of them plus hint at deeper imports of gauge fields as derivative of Best Matching (expert readers may refer to Bruno Bertotti's papers in this regard).
I would rather not make any philosophical conclusions for the message that our universe is actually is static universe but I would encourage those readers of Heidegger's works in phenomenology of time and being to match Julian's ideas with Martin Heidegger's open ended inquiries.
I would recommend this book to anyone interested in nature of time; there are many other books written on the subject but this one is an exception. As for me it helped me with better understanding of classical dynamics.
Alireza
3 von 3 Kunden fanden die folgende Rezension hilfreich
not for the layperson
21. August 2009
Format:Taschenbuch|Von Amazon bestätigter Kauf
I purchased this book because it was advertised as being readable even by a layperson (someone not particular scientifically literate). My impression after reading the book is that you will not get much out of it unless you have a strong scientific background. I would like to hear from others who disagree with my assessment.
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