About Time: Einstein's Unfinished Revolution
Autor Paul Daviesen Limba Engleză Paperback – 31 mar 1996
The eternal questions of science and religion were profoundly recast by Einstein's theory of relativity and its implications that time can be warped by motion and gravitation, and that it cannot be meaningfully divided into past, present, and future.
In "About Time, " Paul Davies discusses the big bang theory, chaos theory, and the recent discovery that the universe appears to be younger than some of the objects in it, concluding that Einstein's theory provides only an incomplete understanding of the nature of time. Davies explores unanswered questions such as:
* Does the universe have a beginning and an end?
* Is the passage of time merely an illusion?
* Is it possible to travel backward -- or forward -- in time?
"About Time" weaves physics and metaphysics in a provocative contemplation of time and the universe.
Toate formatele și edițiile | Preț | Express |
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Paperback (2) | 58.16 lei 24-30 zile | +21.34 lei 5-11 zile |
Penguin Books – 24 apr 1996 | 58.16 lei 24-30 zile | +21.34 lei 5-11 zile |
Simon&Schuster – 31 mar 1996 | 115.03 lei 3-5 săpt. |
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Specificații
ISBN-13: 9780684818221
ISBN-10: 0684818221
Pagini: 320
Dimensiuni: 155 x 235 x 22 mm
Greutate: 0.36 kg
Ediția:Touchstone.
Editura: Simon&Schuster
ISBN-10: 0684818221
Pagini: 320
Dimensiuni: 155 x 235 x 22 mm
Greutate: 0.36 kg
Ediția:Touchstone.
Editura: Simon&Schuster
Notă biografică
Paul Davies is a Professor of Natural Philosophy at the University of Adelaide in Australia. He is the author of more than twenty science books, including The Mind of God and God and the New Physics.
Descriere
With wit and clarity, the author of more than 20 popular science books, including God and the New Physics and The Last Three Minutes, now explores the riddle of time, examining the consequences of Einstein's theory of relativity and offering startling suggestions about what recent research may reveal. 50 line drawings.
Cuprins
CONTENTS
Preface
Prologue
Chapter 1: A Very Brief History of Time
Whose time is it anyway?
The quest for eternity
Escape from time
Cyclic worlds and the eternal return
Newton's time and the clockwork universe
Einstein's time
Is the universe dying?
The return of the eternal return
The start of it all
It happens when it happens
Chapter 2: Time for a Change
A gift from heaven
Goodbye to the ether
A timely solution
Interlude
Stretching time
The puzzle of the twins
Goodbye to the present
Time is money
Timescape
Chapter 3: Timewarps
The light barrier
Perpetual motion and the uphill struggle
Why time runs faster in space
The clock in the box
The best clock in the universe
The echo that arrived late
Going up in the world
Chapter 4: Black Holes: Gateways to the End of Time
Warp factor infinity
A dark mystery
Penetrating the magic circle
A singular problem
Beyond the end of time
Are they really out there?
Chapter 5: The Beginning of Time: When Exactly Was It?
The great clock in the sky
The big bang, and what happened before it
Older than the universe?
Einstein's greatest mistake
Two-timing the cosmos
Chapter 6: Einstein's Greatest Triumph?
The handwriting of God
Did the big bang ever happen?
What's a few billion years among friends?
A repulsive problem
The loitering universe
Chapter 7: Quantum Time
Time to tunnel
Watched kettles 166
Erasing the past
Spooky signals and psychic particles
Faster than light?
The time vanishes!
Chapter 8: Imaginary Time
The two cultures revisited
How time got started
The Hattie-Hawking theory
Imaginary clocks
Chapter 9. The Arrow of Time
Catching the wave
Signals from the future
A matter of time reversal
The particle that can tell the time
The lopsided universe
Chapter 10: Backwards in Time
Into reverse
Thinking backwards
Antiworlds
Winding the clock back
Hawking's greatest mistake
A time for everybody
Chapter 11: Time Travel: Fact or Fantasy?
Signaling the past
Visiting the past
Black-hole time machines
Wormholes and strings
Paradox
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Chapter 12: But What Time Is It Now?
Can time really flow?
The myth of passage
Does the arrow of time fly?
Why now?
Chapter 13: Experimenting with Time
How long does the present last?
Now you see it, now you don't
Filling in time
Subjective time
The back door to our minds
Chapter 14: The Unfinished Revolution
Epilogue
Notes
Bibliography
Index