Once the stuff of science-fiction novels, black holes, white holes and wormholes are now the subject of serious inquiry. This book tells the story of the theories and discoveries that have led scientists to the conclusion that these phenomena are real.
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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Ancient history: let Newton be!; on ye shoulders of giants; three laws and a theory of gravity; the test of time; across the solar system; black hole pioneers; waves and particles; towards 20th-century science. Warping space and time: from Euclid to Descartes; beyond Euclid; geometry comes of age; the geometry of relativity; Einstein's gravitational insight; the relativity of geometry; Schwarzschild's singular solution. Dense stars: dwarfish companions; degenerate stars; the white dwarf limit; the ultimate density of matter; inside the neutron star; beyond the neutron star; puzzling pulsars; Zwicky was right; neutron stars revealed. Black holes abound: red shifts and relativity; radio galaxies; quasars; cosmic powerhouses; X-ray stars; celestial powerhouses; the prime candidate; a profusion of possibilities. Darkness at the edge of time: new maps of space and time; black holes in a spin; singularities rule; defeating the cosmic censor; black holes are cool; exploding horizons; centrifugal confusion; a one-way time machine. Hyperspace connections: the Einstein connection; charging through hyperspace; bridging the universes; the blue-shift block; parting the blue sheet; journey into hyperspace; wormhole engineering; making antigravity; the string-driven spaceship; a practical proposition? Two ways to build a time machine: paradoxes and possibilities; time loops and other twists; tachyonic time travellers; Goedel's universe; Tipler's time machine; wormholes and time travel; paradoctoring the paradoxes. Cosmic connections: blowing bubbles; Einstein's vanishing constant; an oscillating universe?; the black hole bounce.
In Search of the Edge of Time by John Gribbin
Used - Very Good
Penguin Books Ltd
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