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In Search of the Edge of Time (Penguin science) (Paperback)

by John Gribbin (Author)

5.0 out of 5 stars See all reviews (1 customer review)

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Product details

Paperback: 288 pages
Publisher: Penguin Books Ltd; New edition edition (27 Jul 1995)
Language English
ISBN-10: 0140248145
ISBN-13: 978-0140248142
Product Dimensions: 19.8 x 13 x 1.8 cm

Average Customer Review: 5.0 out of 5 stars See all reviews (1 customer review)

Amazon.co.uk Sales Rank: 520,349 in Books (See Bestsellers in Books)

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Product Description

Amazon.co.uk Review

John Gribbin specialises in writing about the big questions of the cosmos. This guided tour through the mysteries of neutron and X-ray stars, white dwarfs, quasars and pulsars is a reprint of a book first published in 1992. As such it is inevitably not as up-to-date as it could be but nevertheless provides a very well written introduction to the subject.

Gribbin sets out to explain how time travel is theoretically possible and looks at the various different ways which might allow it. He pays particular attention to the most likely time-machine: that provided by the concept of the "wormhole". Like a tunnel through space and time, a wormhole could connect different regions of the Universe which occupy both different spaces and different times.

The story is given a historical context and the necessary background from Newton onwards for the reader to understand the concept of warping space and time, dense neutron stars and black holes. From here the science theory becomes as strange as science fiction and the two are intertwined. Carl Sagan kick-started the whole idea with his 1968 book Contact and making hyperspace connections though spacetime. As Gribbin writes, the science fiction version was on the right lines: "Hyperspace connections do, at least in theory, provide a means to travel to the far distant regions of the Universe" without spending vast amounts of time "pottering along through ordinary flat space at less than the speed of light". The story continues through white holes, worm holes and spacetime tunnels.

A useful glossary, bibliography and index help the intrepid reader negotiate these fringes of reality. --Douglas Palmer

Product Description

Once the stuff of science-fiction novels, black holes, and their even stranger cosmologican counterparts, white holes and wormholes, are now the subject of serious inquiry. Physicists who formerly shunned these astrophysical eccentricities have begun to theorize about them and search for the physical proof of their existence with the zeal of converts. The unavoidable conclusion of this research is that these "rips in the fabric of spacetime" are not only real, they might actually provide a passage to other universes and travel through time. This book tells the story of the theories and discoveries that have led scientists to these conclusions.

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12 of 14 people found the following review helpful:

5.0 out of 5 stars An engrossing mind provoking book, 16 Sep 2000

By A Customer

Having read other John Gribbin books I looked forward to this one and was not disappointed. As the synopsis itself says most of the stuff sounds like science fiction and so the fact that it is actually plausable makes the novel all the more absorbing.

I read the book when I was just starting my A-level physics course and I have to admit that there were a small number of times where I got slightly lost off. However the main ideas were thoroughly readable and in fact now nearing the end of my phsics course I can understand a lot more of what Gribbin said.

So if you have and A-Level in physics you'll find this book thoroughly enjoyable. If you don't you'll still be engrossed and it is still possible to understand 90% of the theories that he's describing.

I'd recommened it to anyone who wants to spend the next six months convincing people they are going to the other side of the galaxy for their holidays!

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