There is no doubt that speculation about the nature of the heavens is very ancient. After centuries of thought "we still can only portray space and time as the most familiar of strangers". But enormous advances in understanding have been made especially over the last few decades. Whether we are high-flying city slickers or impoverished cattle-herders in the third world, speculation about space-time "takes on an almost mystical quality: we're considering the fate of the very things that dominate our sense of reality" according to Greene.
Over the last century we have become much better acquainted with previously hidden features of the Universe, especially thanks to Einstein. Greene summarises these as
"the slowing of time, the relativity of simultaneity, alternative slicings of spacetime, gravity as the warpings and curving of space and time, the probabilistic nature of reality, and long range entanglement were not on the list of things that even the best of the world's nineteenth-century physicists would have expected to find just around the corner."And yet they are attested to by both experimental results and theoretical explanations. Greene, professor of physics and mathematics at Columbia University, is one of the foremost players in contemporary string theory and authored a bestselling book The Elegant Universe for which he won the Aventis Prize in 2000.
In The Fabric of the Cosmos Green avoids mathematical formulae, which can be an immediate turnoff for most general readers. Clearly he knows that visually we can deal with abstract and/or difficult concepts much better than when they are presented in words. Consequently, he uses a very clever selection of excellent and well designed illustrations to help get his ideas across. There is an excellent index, plenty of notes and suggestions for further reading, which will allow those more in the know to take matters further. And, there is a glossary for us ordinary mortals who need every now and again to check up on our understanding of things such as quarks, Higgs particles, braneworld scenario and M-theory. --Douglas Palmer
]]>Assuming an audience of non-specialists, Greene has set himself a daunting task: to explain non-intuitive, mathematical concepts like String Theory, the Heisenberg Uncertainty Principle, and Inflationary Cosmology with analogies drawn from common experience. For the most part, he succeeds. His language reflects a deep passion for science and a gift for translating concepts into poetic images. When explaining, for example, the inability to see the higher dimensions inherent in string theory, Greene writes: "We don't see them because of the way we see…like an ant walking along a lily pad…we could be floating within a grand, expansive, higher-dimensional space."
For Greene, Rhodes Scholar and professor of physics and mathematics at Columbia University, speculative science is not always as thorough and successful. His discussion of teleportation, for example, introduces and then quickly tables a valuable philosophical probing of identity. The paradoxes of time travel, however, are treated with greater depth, and his vision of life in a three-brane universe is compelling and--to use his description for quantum reality--"weird."
In the final pages Greene turns from science fiction back to the fringes of science fact, and he returns with rigor to frame discoveries likely to be made in the coming decades. "We are, most definitely, still wandering in the jungle," he concludes. Thanks to Greene, though, some of the underbrush has been cleared. --Patrick O'Kelley
]]>Assuming an audience of non-specialists, Greene has set himself a daunting task: to explain non-intuitive, mathematical concepts like String Theory, the Heisenberg Uncertainty Principle, and Inflationary Cosmology with analogies drawn from common experience. For the most part, he succeeds. His language reflects a deep passion for science and a gift for translating concepts into poetic images. When explaining, for example, the inability to see the higher dimensions inherent in string theory, Greene writes: "We don't see them because of the way we see…like an ant walking along a lily pad…we could be floating within a grand, expansive, higher-dimensional space."
For Greene, Rhodes Scholar and professor of physics and mathematics at Columbia University, speculative science is not always as thorough and successful. His discussion of teleportation, for example, introduces and then quickly tables a valuable philosophical probing of identity. The paradoxes of time travel, however, are treated with greater depth, and his vision of life in a three-brane universe is compelling and--to use his description for quantum reality--"weird."
In the final pages Greene turns from science fiction back to the fringes of science fact, and he returns with rigor to frame discoveries likely to be made in the coming decades. "We are, most definitely, still wandering in the jungle," he concludes. Thanks to Greene, though, some of the underbrush has been cleared. --Patrick O'Kelley
]]>Assuming an audience of non-specialists, Greene has set himself a daunting task: to explain non-intuitive, mathematical concepts like String Theory, the Heisenberg Uncertainty Principle, and Inflationary Cosmology with analogies drawn from common experience. For the most part, he succeeds. His language reflects a deep passion for science and a gift for translating concepts into poetic images. When explaining, for example, the inability to see the higher dimensions inherent in string theory, Greene writes: "We don't see them because of the way we see…like an ant walking along a lily pad…we could be floating within a grand, expansive, higher-dimensional space."
For Greene, Rhodes Scholar and professor of physics and mathematics at Columbia University, speculative science is not always as thorough and successful. His discussion of teleportation, for example, introduces and then quickly tables a valuable philosophical probing of identity. The paradoxes of time travel, however, are treated with greater depth, and his vision of life in a three-brane universe is compelling and--to use his description for quantum reality--"weird."
In the final pages Greene turns from science fiction back to the fringes of science fact, and he returns with rigor to frame discoveries likely to be made in the coming decades. "We are, most definitely, still wandering in the jungle," he concludes. Thanks to Greene, though, some of the underbrush has been cleared. --Patrick O'Kelley
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