absolute time ref 1, ref 2, ref 3, ref 4, ref 5
All You Zombies ref 1
atomic clock ref 1, ref 2, ref 3, ref 4, ref 5, ref 6
Augustine see St Augustine
Avicenna ref 1
Babylonians ref 1
Barbour, Julian ref 1
bending spacetime see spacetime curvature
Bergson, Henri ref 1
Big Bang, the ref 1, ref 2, ref 3, ref 4
Big Crunch, the ref 1
biological clocks ref 1, ref 2
block universe see tenseless theory
Boltzmann, Ludwig ref 1, ref 2
calculus ref 1
canonical quantum gravity ref 1, ref 2
Carnot, Sadi ref 1
causal loops ref 1, ref 2, ref 3, ref 4, ref 5
change
Chronology Protection theorem ref 1
cicada ref 1
circadian rhythm ref 1
Clausius, Rudolf ref 1
most reliable ref 1
slowing see time dilation
communication, time, reversed ref 1
Consortium, the ref 1
contradictions of logic ref 1, ref 2
Co-ordinated Universal Time ref 1
cosmic string theory ref 1
Counter-Clock World ref 1
cylinder spacetime ref 1, ref 2, ref 3, ref 4
day, division of ref 1
Descartes, René ref 1
Dick, Philip K. ref 1
dimensions ref 1
Egan, Greg ref 1
Egyptians ref 1
Einstein, Albert ref 1, ref 2, ref 3, ref 4
entropy, law of ref 1, ref 2, ref 3
eternal recurrence ref 1
evening primrose ref 1
events, order of ref 1
falling body, speed ref 1
fifth dimension ref 1
four-dimensional
curvature see curvature
frames of reference ref 1
compatibility ref 1
lightcones ref 1
Galilean relativity ref 1, ref 2
general relativity ref 1
Geroch, Robert ref 1
Gibbs, J. Willard ref 1
Gott, J.R. ref 1
Hafele, Joseph ref 1
Hawking, Stephen ref 1, ref 2, ref 3
heat, science of see thermodynamics
Hogarth Phase ref 1
hypothalamus ref 1
Incompleteness
Theorem ref 1
Keating, Richard ref 1
Kelvin, Lord ref 1
Lewis, David ref 1
Liebniz, Gottfried ref 1, ref 2
light, speed of
Galileo ref 1
Minkowski ref 1
Newton ref 1
spacetime ref 1
singularity ref 1
Linnaeus, Carl ref 1
logic and time travel
and physics ref 1
Wells, H.G.68
loops see causal loops
Lorentz, H.A. ref 1
Loschmidt Paradox ref 1
MacBeath, Murray ref 1
Malament, David ref 1
Maxwell, James Clark ref 1
melatonin ref 1
Minkowski, Hermann ref 1
Möbius, A. F. ref 1
and change ref 1
Galilean relativity ref 1, ref 2
Murray, Bill ref 1
Newton, Sir Isaac
relativity ref 1
Newtonian physics ref 1, ref 2
Nietzsche, Friedrich ref 1, ref 2
NIST F-1 atomic clock ref 1
non-orientability ref 1, ref 2
see also present, the
past ref 1
lightcones ref 1
see also tensed time
pendulum ref 1, ref 2, ref 3, ref 4, ref 5
Penrose, Roger ref 1, ref 2, ref 3
physics, laws of ref 1, ref 2, ref 3, ref 4
and time travel ref 1
Poincaré, Henri ref 1
present, the ref 1
relativity of ref 1
presentism ref 1
Price, Huw ref 1
Prior, A. N. ref 1
proper time ref 1
psychological time ref 1, ref 2
quantum
Rabi, Isidor ref 1
realism ref 1
see also absolute time
recurrence see eternal recurrence Reichenbach, Hans ref 1, ref 2
relativity ref 1, ref 2, ref 3
Einstein ref 1, ref 2, ref 3, ref 4
and tenseless theory ref 1
see also special
relativity
repeating phases see eternal recurrence
reverse motions see time, direction
rotation of the universe ref 1, ref 2
Russell, Bertrand ref 1
Sagan, Carl ref 1
Shoemaker, Sydney ref 1
singularity ref 1
slowing time see time dilation
Socrates ref 1
finite or infinite ref 1, ref 2
spacetime ref 1
Hawking ref 1
in a rotating universe ref 1
see also Gödel, Kurt
Taub-NUT-Misner ref 1
special relativity ref 1, ref 2, ref 3, ref 4, ref 5
speed of time ref 1
see also relativity
speeding up of time ref 1
stars as timekeepers ref 1
static theory see tenseless theory
statistical mechanics ref 1, ref 2
sun as a clock ref 1
superstring theory ref 1
Taub-NUT-Misner
spacetime ref 1
temporal double
Wells, H.G. ref 1
tenseless theory ref 1, ref 2, ref 3, ref 4
and relativity ref 1
Terminator (film) ref 1
time
closed/open ref 1
direction
Big Crunch ref 1
Hogarth Phase ref 1
Loschmidt Paradox ref 1
non-reversible ref 1
reversed universe ref 1, ref 2
statistical mechanics ref 1
time reversal
invariance ref 1, ref 2, ref 3
end of ref 1
more than one ref 1
reversal invariance ref 1, ref 2, ref 3
travel
cosmic string theory ref 1
curvature ref 1, ref 2, ref 3, ref 4
future compatibility ref 1
and physics ref 1
and relativity ref 1, ref 2, ref 3
rotating universe ref 1, ref 2
Taub-NUT-Misner ref 1
what is it? ref 1
Time Machine, The ref 1
time-reversed
communication ref 1
Tipler, Frank ref 1
true time see absolute time
uniformity of time ref 1
universe ref 1
end (Big Crunch) ref 1
static ref 1
Wells, H.G. ref 1
Wheeler, DeWitt
Williams, D.C. ref 1