Collaboration on the First Edition of Spacetime Physics began in the mid-1960s when Edwin Taylor took a junior faculty sabbatical at Princeton University where John Wheeler was a professor. The resulting text emphasized the unity of spacetime and those quantities (such as proper time, proper distance, mass) that are invariant, the same for all observers, rather than those quantities (such as space and time separations) that are relative, different for different observers. The book has become a standard introduction to relativity.
The Second Edition of Spacetime Physics embodies what the authors have learned during an additional quarter century of teaching and research. They have updated the text to reflect the immense strides in physics during the same period and modernized and increased the number of exercises, for which the First Edition was famous. Enrichment boxes provide expanded coverage of intriguing topics. An enlarged final chapter on general relativity includes new material on gravity waves, black holes, and cosmology.
The Second Edition of Spacetime Physics provides a new generation of readers with a deep and simple overview of the principles of relativity.
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2 10 Summary 43 References 44 Exercises
3 3 What IS the Same in Different Frames 60 3 4 Relativity
L 7 Addition of Velocities 103 L 8 Summary
TRIP TO CANOPUS
TREKKING THROUGH SPACETIME
The speed of light is a mighty barrier that preserves cause and effect
A second great unity is momentumenergy momenergy its measure mass
7 6 Conservation of Momenergy and
7 7 Summary 211 Acknowledgment
Chapters COLLIDE CREATE ANNIHILATE
Convert mass to energy and energy to mass
Acknowledgments 252 Exercises
Move or stand still in either case we soar through spacetime
Along a Worldline 148 5 7 Kinked Worldline 152 5 8 Stretch
REGIONS OF SPACETIME
Gravity is not a force reaching across space but a distortion curvature
4-vector astronaut atom ball bearings bullet Canopus collision components conservation coordinates curvature direction Earth clock Earth frame Earth-linked Einstein electron emitted equal equation Euclidean EXERCISE experiment expression Figure fraction free-float frame frequency gamma ray geometry gravitational inertial interval)2 invariant kilograms kinetic energy laboratory and rocket laboratory frame latticework length light speed light-years lightlike Lorentz transformation Lorentz transformation equations magnitude measured meter stick meters of distance meters of light-travel meters)2 meters/second momenergy momenergy 4-vector Newtonian object occur particle moves path photon physics Principle of Relativity proper radiation recorded reference event reference frame relative motion relativistic relativity of simultaneity rest energy rest frame result rocket frame separation)2 simultaneity space separation spacelike spaceship spacetime interval spacetime map sparks special relativity speed of light square star straight stretch factor super-rocket test particle timelike total energy total momentum trip velocity vertical worldline wristwatch zero