Index communication, time- Godel, Kurt 100-12

reversed 162

Gott,J.R.114

absolute time 18-23, Consortium, the 116

26-8, 166

All You Zombies 88

Aristotle 22-3

contradictions of logic Hafele, Joseph 92

76-83

Hawking, Stephen 78,

conventionalism 28-9 117, 128

atomic clock 17-18, 21, Co-ordinated Universal heat, science of see

30-1,92

Augustine see St

Augustine

Avicenna 10

Time 17

thermodynamics cosmic string theory 114 Hogarth Phase 133

Counter-Clock World 133 hypothalamus 6

curvature 94-6 cylinder spacetime 99, Incompleteness

Babylonians 5

106, 111, 131

Barbour, Julian 168

bending spacetime see day, division of 5

Theorem 100

infinite space 123-5

spacetime curvature Descartes, Rene 123 Keating, Richard 92 Bergson, Henri 1 O Dick, Philip K. 133 Kelvin, Lord 143 Big Bang, the 128-9, dimensions 38

157-8

Dirac, Paul 30-1

Big Crunch, the 158

biological clocks 6-7 Egan, Greg 163

block universe see tenseless theory

Boltzmann, Ludwig

143-56

Egyptians 4

Einstein, Albert 27,

56-60,94

entropy, law of 141 ,

branching time 122, 126 148-60

Lewis, David 78

Liebniz, Gottfried 26-7

light, speed of

Einstein 56-7

Galileo 58

Minkowski 60

Newton 59

spacetime 61

Broad, C. D. 36, 51

eternal recurrence 127 lightcones 62-4 evening primrose 7 and curvature 103-6

events, order of 11

singularity 129

calculus 26

Linnaeus, Carl 7

canonical quantum falling body, speed 19 logic and time travel gravity 164-7

causal loops 7 4-5

fifth dimension 96

Carnot, Sadi 141

contradiction 77-83

causal loops 74-5, 99, finite space 123-5

109-11

change and motion 44-9

and time 22-5

four-dimensional curvature see personal time 80-93

and physics 89

curvature time dilation 89-93

fourth dimension 37, 39 Wells, H. G. 68

Chronology Protection frames of reference 24 loops see causal loops theorem 117

cicada 7

circadian rhythm 6

Clausius, Rudolf 141

clocks 4, 12

atomic 17-18

most reliable 16

slowing see time dilation future 34, 43

Lorentz, H.A. 67

changing 84-8

compatibility 83

lightcones 62

Loschmidt Paradox 149

MacBeath, Murray 163

McTaggart,J.E.46-9

Galilean relativity 52-5 Malament, David 108

general relativity 169 Maxwell, James Clark

Geroch, Robert 126

143

Gibbs, J. Willard 143 measuring time 14-15 God 26-7 melatonin 6