by Thorne, Kip
   Kip’s discussions with Christopher Nolan about what the equation should be, 9, 213
   and the Professor’s struggle to understand gravity, 213–220
   and controlling gravity’s strength, so as to lift colonies off Earth, 212, 221, 223, 263, 273–274
   specific form of the equation, 220
   explanation of equation, 220–221
   solving the equation—what that means, 221
   iterations in solving the equation, 221–222, 221
   quantum data, see quantum gravity data
   quantum fluctuations, 28–29, 155–156, 197, 223–225, 268, 273, 287
   quantum foam, 134–135, 224–225
   quantum gravity data
   what these data are, 224–225
   encoded in the singularities inside a black hole, 225–227
   extracting them from a singularity, 170, 223, 266
   quantum gravity, see laws of physics, quantum gravity laws
   quantum physics, see laws of physics, quantum laws
   quasars:
   discovery of, 88–89
   explanation by black-hole accretion disk, 89–91
   jets powered by whirling magnetic fields, 91–92
   revolutions that upend scientific truth, 24, 202
   rocket technology:
   twenty-first century, 68, 117
   far future, 117–120
   science:
   the power of, for humans, 275
   the importance of understanding science, its power and its limitations, 275
   truth, educated guess, and speculation in, 30–34
   science fiction:
   contrast with science fantasy, 62
   respectability in, 246–247
   singularities:
   what a singularity is, 225–226
   as the domain of quantum gravity, 49, 225–227
   naked singularities, 59, 227–230
   inside black holes, see singularities inside black holes
   singularities inside black holes:
   the chaotic, lethal BKL singularity, 230–231, 246
   the infalling (mass-inflation) singularity, 232–233, 246, 248–249
   the outflying (shock) singularity, 233–234, 246, 248–249
   “gentleness” of infalling and outflying singularities, 234, 246–247
   Cooper sandwiched between singularities in Interstellar, 248–249
   slingshots, see gravitational slingshots
   solar system, 20–21, 21, 71, 71
   solving gravity, see Professor Brand’s equation
   space colonies, 273–275, 290
   spacetime:
   unification (mixing) of space and time, 185–186
   causal structure of, 297–298
   warping of, see warped spacetime
   space warps, see warped spacetime
   stars:
   nearest, 115–117
   Tau Ceti, 115–117
   Proxima Centauri, 21, 116–117, 120
   torn apart by black holes, 93–94, 148–149
   Sun, 20–21, 20
   space warped around, 37–39, 47, 32, 39
   tidal forces of, 43
   temperature of, 94
   gravitational force of, and planetary orbits, 194–195, 202
   particles flying out from, 24–25
   superstring theory, 30, 187–188, 187, 284
   tendex lines, 41–44, 41, 151–153, 151, 152, 153, 164–165, 165, 209–211, 209, 210, 214–216, 214, 215; see also tidal gravity
   tesseract:
   as a hypercube in a space with four dimensions, 253, 253
   as a means of transport through the bulk, 34, 193, 196–197, 200–201
   in the novel A Wrinkle in Time, 289
   tesseract, in Interstellar:
   saves Cooper from singularity, 251, 252
   entrance to, 252
   transports Cooper to vicinity of Murph’s bedroom, 254–255
   Cooper sees six views into bedroom, 256–257
   Cooper sends signals backward in time to Murph, via the tesseract, 263–266, 270–271, 297–298
   see also tesseract, Nolan’s complexified
   tesseract, Nolan’s complexified
   images from Interstellar, 257, 261, 265
   Christopher Nolan’s hand drawing of, 259
   Kip’s explanation of, 256–261, 265–266, 270–271
   sending messages backward in bedroom time, 263–266, 270–271, 297–298
   Thorne, Kip, see Kip Thorne
   tidal bores, 166, 167
   tidal field, see tendex lines; tidal gravity
   tidal forces, see tendex lines; tidal gravity
   tidal gravity:
   instruments to measure, 209–211, 210
   Newton’s viewpoint, 42–43
   and straightest paths through warped spacetime, 41, 44, 278
   tendex viewpoint, 41–44
   and ocean tides on Earth, 42–43
   and gravitational waves, 151–153
   on Jupiter’s moon Io, 168
   on Miller’s planet, 58, 163–166, 284, 292
   tears stars apart, 93–94, 148–149, 280
   squeezes accretion disk, 98
   and design of the Endurance, 180–181
   pries Endurance apart from Mann’s planet, 237–238, 238
   and gravitational anomalies, 213–216
   near singularities, 231–233, 251
   see also tendex lines
   tides:
   on Earth’s oceans, 42–43
   on Miller’s planet, 163, 166
   time travel:
   what we know about, without a bulk, 266–269
   with a bulk, 269
   in Interstellar:
   Christopher Nolan’s rule set for, 263
   messaging Murph backward in time, 263–266, 265, 270–271, 270, 289–290, 297–298, 298
   time warps, see time warps, Einstein’s law of; warped spacetime
   time warps, Einstein’s law of, 35–37, 291
   applications of, 47, 139, 162, 267
   toxins, 108
   truth, educated guess, and speculation in science, 30–34
   tsunamis:
   on Earth, 167, 274–275
   on Miller’s planet, 166
   universe, our:
   overview of, 17–26, 277
   laws that control it, 27–34; see also laws of physics
   as a brane in a higher-dimensional bulk, 32, 187–188; see also branes
   Viking spacecraft, 38–39
   volcano’s rim, see critical orbit around a black hole
   Vulcan, 203, 285
   warped side of the universe, 154, 283; see also big-bang origin of our universe; black holes; geometrodynamics; gravitational waves; wormholes
   warped spacetime, 35–41
   space warps, 37–41
   time warps, 35–37
   underlies Einstein’s relativistic laws, 28–29
   and tidal gravity, 41
   whirling space, 48-49; see also black holes, whirl of space near
   warping begets warping, 46–47
   around black hole, precise depiction, 49
   white dwarfs, 21–22
   wormhole in Interstellar:
   visual appearance, 145
   visualization of, by Double Negative visual-effects team, 138–145
   gravitational pull and time warping, 138–139
   handles for its shape: radius, length, and lensing width, 139–140
   influence of handles on its appearance, 140–144
   gravitational lensing by, 142–145
   discov
ering the wormhole by gravitational waves: my extrapolation, 146–151
   bulk fields hold it open, in my interpretation, 218–219
   see also wormholes
   wormholes:
   how they got their name, 127
   mouths, 133
   some history of research on, 128–129, 130–132
   almost certainly do not occur naturally, 133–135
   perhaps forbidden by laws of physics, 136–137
   problem of holding them open, 129–130, 218, 218
   problem of making them artificially, 135–136
   in Contact (the movie), 130–132
   Flamm’s wormhole (Einstein-Rosen bridge), 128–130
   as seen from the bulk, 128, 129, 131
   visualizing via gravitational lensing, 138–144
   visual appearance, 132–133, 133, 141, 143, 145
   microscopic wormholes (quantum foam), 134–135, 134, 224–225, 225, 287
   see also wormhole in Interstellar
   ALSO BY KIP THORNE
   The Future of Spacetime (with Stephen W. Hawking, Igor Novikov, Timothy Ferris, Alan Lightman, and Richard H. Price)
   Black Holes & Time Warps: Einstein’s Outrageous Legacy
   Black Holes: The Membrane Paradigm (with Richard H. Price and Douglas A. MacDonald)
   Gravitation (with Charles W. Misner and John Archibald Wheeler)
   Gravitation Theory and Gravitational Collapse (with B. Kent Harrison, Masami Wakano, and John Archibald Wheeler)
   Copyright © 2014 Itzy
   Text © Kip Thorne
   Foreword copyright © 2014 by Christopher Nolan
   Film © 2014 Warner Bros. Entertainment Inc.
   INTERSTELLAR and all related characters and elements are trademarks of and © Warner Bros. Entertainment Inc.
   WB SHIELD: TM & © Warner Bros. Entertainment Inc.
   The following images from the book are included with permission from Warner Bros.: Figures 1.2, 3.3, 3.4, 3.6, 5.6, 8.1, 8.5, 8.6, 9.7, 9.9, 9.10, 9.11, 11.1, 14.9, 15.2, 15.4, 15.5, 17.5, 17.9, 18.1, 19.2, 19.3, 20.1, 20.2, 24.5, 25.1, 25.7, 25.8, 25.9, 27.8, 28.3, 29.8, 29.14, 30.1, and 31.1. Images © 2014 Warner Bros. Entertainment Inc.
   All rights reserved
   First Edition
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   Book design by Chris Welch
   Production managers: Julia Druskin and Joe Lops
   ISBN 978-0-393-35137-8
   ISBN 978-0-393-35138-5 (e-book)
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