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" Black holes, wormholes, and time machines / "
Jim Al-Khalili.
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BL
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| Record Number
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982360
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| Doc. No
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b736730
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| Main Entry
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Al-Khalili, Jim,1962-
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| Title & Author
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Black holes, wormholes, and time machines /\ Jim Al-Khalili.
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| Edition Statement
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2nd ed.
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| Publication Statement
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Boca Raton, FL :: Taylor & Francis,, ©2012.
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| Page. NO
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1 online resource (xxii, 184 pages) :: illustrations
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| ISBN
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1439885605
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: 9781439885604
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1439885591
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9781439885598
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| Bibliographies/Indexes
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Includes bibliographical references and index.
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| Contents
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The 4th dimension. To do with shapes ; What is space? ; 2Dworld and 2D'ers ; Curved space ; Is there really a 4th dimension? -- Matters of some gravity. Apples and moons ; Einstein's gravity ; Free fall ; Rubber space ; Twinkle, twinkle ; Cooking the elements ; Champagne supernova in the sky -- The universe. The night sky ; How big is the Universe? ; The expanding Universe ; Hubble, bubble ... ; Space is stretching ; Did the Big Bang really happen? ; The edge of space ; A closed universe ; An open universe ; What shape is the Universe then? ; Invisible matter ; 1998: a big year in cosmology ; Is the Universe infinite? ; Why is it dark at night? ; Before the Big Bang -- Black holes. More to light than meets the eye! ; Invisible stars ; Beyond the horizon ; A hole that can never be filled ; Spinning black holes ; Falling into a black hole ; To see a black hole ; Not so black after all ; White holes -- Times are changing. What is time? ; Who invented time? ; The first moment ; Does time flow? ; Something called entropy ; Arrows of time ; Stephen Hawking gets it wrong ; A possible solution -- Einstein's time. What is so special about special relativity? ; The two faces of light ; Thought experiments and brain-teasers ; Slowing down time ; Shrinking distances ; Light : the world speed record ; When time runs backwards ; Little green men ; Fast-forward to the future ; Spacetime : the future is out there ; Gravitational times -- Time travel paradoxes. The Terminator paradox ; Trying to save the dinosaurs ; Mona Lisa's sister ; No way out? ; Parallel universes ; Where are all the time travellers? -- Wormholes. A bridge to another world ; Alice through the looking glass ; When science fact met science fiction ; Wormholes : keeping the star gate open ; Visiting a parallel universe -- How to build a time machine. Time loops ; The Tipler time machine ; Cosmic string time machines ; A recipe for a wormhole time machine ; Insurmountable problems? -- What do we know? The mother of all theories ; The end of theoretical physics ; What might new experiments tell us? ; Astronomy versus astrology ; The fascination of space.
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| Abstract
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Makes the ideas and theories of modern physics easily understood by anyone, from researchers to students to general science enthusiasts. Taking you on a journey through space and time, author Jim Al-Khalili covers some of the most fascinating topics in physics today, including space warps, the Big Bang, time travel, and parallel universes. Professor Al-Khalili explains often complex scientific concepts in simple, nontechnical terms and imparts an appreciation of the cosmos, helping you see how time traveling may not be so far-fetched after all. -- Back Cover.
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| Subject
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Cosmology, Popular works.
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Space and time, Popular works.
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Cosmology.
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| Subject
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SCIENCE-- Physics-- Relativity.
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Space and time.
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| Dewey Classification
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530.11
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| LC Classification
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QC173.59.S65A4 2012eb
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