and singularities
and space of states
and time reversal
information theory
initial conditions of the universe . See also boundary conditions
Institute for Advanced Study (Dublin)
Institute for Advanced Study (Princeton)
intelligence
interaction effects
interference
interferometers
interstellar distances
intrinsic quantum indeterminacy
invariance
irrational numbers
irreversible processes. See also entropy
and arrow of time
and baby universes model
and black holes
and Boltzmann brains
and entropy
and growth of structure
and microscopic level
and possibilism
and space of states
“Is it Possible to Create a Universe in the Laboratory by Quantum Tunneling?” (Farhi)
Jackiw, Roman
Johnson, George
Johnson, Matthew
kaons
Kasner, Edward
Kelvin, William Thomson, Lord
Kelvin scale
Kepler, Johannes
Kerr, Roy
kinetic energy
kinetic theory
Kleban, Matthew
Kolmogorov complexity
Landauer, Rolf
Lao Tzu
Laplace, Pierre-Simon
Laplace’s Demon
Large Hadron Collider (LHC)
Lavoisier, Antoine
Lawrence Berkeley National Laboratory
laws of nature
laws of physics. See also specific forces
and bouncing-universe cosmology
and consciousness
and entropy definition
and irreversibility
and memory
and multiverse hypothesis
and patterns
and reversibility
Lectures on Physics (Feynman)
Lee, Tsung-Dao
Leibniz, Gottfried Wilhelm
Lemaître, Georges
length contraction
Leucippus
life
and the Boltzmann-Lucretius scenario
and complexity
definition of
and energy budget of Earth
and entropy
and free energy
and memory
and multiverse hypothesis
light
light cones
and the Big Bang
and black holes
and closed timelike curves
described
and the horizon problem
and Newtonian space
and the observable universe
and time travel
and white holes
Linde, Andrei
Liouville, Joseph
Liouville’s Theorem
locality
location
logarithms
longitude
Look at the Harlequins! (Nabokov)
loops in time. See closed timelike curves
Lorentz, Hendrik Antoon
Lorentz transformations
Loschmidt, Josef
Loschmidt’s reversibility objection
Lucretius
lumpiness of the early universe
MacDowell, Andie
macrostates
and arrow of time
and coarse-graining
counting
and entropy
and gas distribution
and memory
and mixing
and possibilism
and Principle of Indifference
and statistical mechanics
and wave functions
magnetic fields
magnetic monopoles
Maldacena, Juan
Maldacena correspondence
many-worlds interpretation
maps
March, Hilde
Marx, Karl
mass
and black holes
and general relativity
of matter
and particle decay
Planck mass
and special relativity
of the universe
Mather, John
matter
Maxwell, James Clerk
and atomic theory
and classical mechanics
death
and electromagnetism
and entropy
and kinetic theory
and Maxwell’s Demon
and recurrence theorem
and relativity
and the Second Law of Thermodynamics
and time asymmetry
Maxwell’s Demon
McTaggart, J. M. E.
measurement. See also observation
Méchanique Céleste (Laplace)
medium, time as
memory
and cause and effect
and cognitive instability
and life
and Maxwell’s Demon
and physicality of information
and possibilism
and remembering the future
mesons
Messier, Charles
Michell, John
Michelson, Albert
Michelson-Morley experiment
microstates
and arrow of time
and black holes
and closed timelike curves
and coarse-graining
counting
and directionality of time
and empty space
and entropy
and evolution of space of states
and inflationary cosmology
and memory
and mixing
and possibilism
and Principle of Indifference
and statistical mechanics
and string theory
and time asymmetry
microwave background radiation. See cosmic microwave background radiation
Middle Hypothesis
Milky Way galaxy
Minkowski, Hermann
Minkowski space
Minsky, Marvin
Misner, Charles
Mittag-Leffler, Gösta
mixing
molecular chaos
moments
and definition of time
and Newtonian spacetime
and quantum mechanics
and space of states
state of physical systems
momentum
and classical mechanics
and gas distribution
and indeterminacy
and space of states
state of physical systems
and time reversal
and uncertainty principle
Moncrieff. K. Scott
monopole problem
Morley, Edward
Morris, Michael
motion. See also velocity
Mount Stromlo Observatory
multiplication
multiverse model
and anthropic principle
and baby universes
and the Boltzmann-Lucretius scenario
and bubbles of true vacuum
and empiricism
and entropy
and equilibrium
and inflationary cosmology
and philosophical implications
problems with
and recurrence
speculative nature of
Murray, Bill
Nabokov, Vladimir
Napoleon Bonaparte
National Bureau of Standards
natural logarithms
natural selection
natural theology
nebulae
negative energy
Neumann, John von
neutral kaons
neutrin
os
neutrons
neutron stars
“new inflation” model
Newton, Isaac. See also classical mechanics
and definition of time
and gravity theory
and relativity
and scientific method
and spacetime
and symmetry
and universality of nature
Nietzsche, Friedrich
Nobel Prize
noise
Novikov, Igor
“nowhen” concept
observable universe
observation
and arrow of time
and decoherence
and quantum mechanics
and scientific method
and uncertainty principle
and wave functions
“old inflation” model
Olum, Ken
“On the Electrodynamics of Moving Bodies” (Einstein)
“On the Nature of Things (De Rerum Natura)” (Lucretius)
open systems
orbits
and curvature of spacetime
and definition of time
and ellipses
and scientific method
and three-body problems
and time reversal
order
orientation
Oscar II,
oscillations
Oxford English Dictionary
Page, Don
Paley, William
paradoxes
and Chronology Protection Conjecture
and closed timelike curves
EPR paradox
“recurrence paradox,”
and time travel
parallel realities
parity
Parmenides
Parsifal (Wagner)
particle accelerators
particle physics
Pascal, Blaise
Past Hypothesis
and Boltzmann brains
and the Boltzmann-Lucretius scenario
and bouncing-universe cosmology
and cause and effect
and cognitive instability
described
and free will
and Maxwell’s Demon
and memory
and the Principle of Indifference
and recurrence theorem
and reversibility
and statistical mechanics
and wave functions
Peebles, P. J. E.
pendulums
Penrose, Roger
and black holes
and evolution of entropy
and lumpiness of the universe
and maximizing entropy
and singularities
on structure and entropy
Penzias, Arno
“Perfect Cosmological Principle,”
periodicity
Perlmutter, Saul
perpetual motion
persistence
phase transitions
phenomenological framework
Philosophiæ Naturalis Principia Mathematica (Newton)
photons
and double-slit experiment
and the early universe
and general relativity
lack of mass
and special relativity
Phragmén, Edvard
Physical Review Letters
Pilgrim, Billy (fictional character)
pions
Pirsig, Robert
Planck, Max
Planck area
Planck energy
Planck length
Planck mass
Planck’s constant
Planck time
planetary motion
pocket universes. See also baby universes
Podolsky, Boris
Poincaré, Henri
Poincaré recurrence theorem
Poincaré transformations
Popper, Karl
popular culture
position
possibilism
potential energy
predestination. See also Future Hypothesis
prediction
and Boltzmann brains
and classical mechanics
and closed timelike curves
and loops in time
and multiverse model
and possibilism
and scientific method
and statistical mechanics
and wave functions
presentism
Preskill, John
pressure
Preston, Philip
“Presumptuous Philosopher Problem,”
Price, Huw
“Primeval Atom,”
primordial nucleosynthesis
Principle of Indifference
probability. See also statistical mechanics
and cause and effect
and de Sitter space
double-slit experiment
and entropy
and fluctuations around equilibrium
and interference
and Laplace
and logarithms
and many-worlds interpretation
and Principle of Indifference
and statistical mechanics
and time reversal
and wave functions
protons
Proust, Marcel
Proxima Centauri
Pynchon, Thomas
quantum amplitudes n
quantum field theory
and black holes
and conservation of information
and de Sitter space
and Hawking radiation
and inflationary cosmology
and information conservation
and multiverse model
and state of physical systems
and string theory
and uncertainty principle
and vacuum energy
quantum fluctuations
quantum gravity
and black holes
and de Sitter space
and empty space
Euclidean
and information conservation
and locality
and Planck length
and Planck’s constant
speculative nature of
and string theory
and time before Big Bang
and uncertainty principle
quantum interference
quantum mechanics
acceptance of
and the arrow of time
and black holes
and the classical limit
and decoherence
described
and de Sitter space
and elementary particles
and entanglement
and entropy
and EPR paradox
and gravity
and interference
and many-worlds interpretation
and Maxwell’s Demon
and measurement problem
and negative energy
and observation
speculation on
and state of physical systems
and time
and uncertainty principle
and vacuum energy
and wave functions
quantum tunneling
quantum wave function
and the arrow of time
and black holes
and classical mechanics
and Copenhagen interpretation
and decoherence
described
and double-slit experiment
and entanglement
and EPR paradox
and interference
and many-worlds interpretation
and multiverse model
and quantum tunneling
and state of physical systems
and time before Big Bang
and uncertainty principle
wave function of the universe
quarks
q
uartz watches
quasars
qubit
radiation. See also cosmic microwave background radiation, Hawking radiation-ray radiation
and anisotropies
and the early universe
and energy budget of Earth
and general relativity
matter contrasted with
and reconstruction of the past
Ramis, Harold
randomness
r e-collapsing universe
recombination
recurrence
and anthropic principle
and Boltzmann brains
and Boltzmann-Lucretius scenario
and Boltzmann’s death
and equilibrium
and Nietzsche
and Poincaré
proof of
“recurrence paradox,”
and three-body problems
troubles with
and Zermelo/Boltzmann conflict
redshift
and the Big Bang
and black holes
Doppler effect contrasted with
and the early universe
and expansion of the universe
and general relativity
and the Hubble constant
value of
Rees, Martin
Reign of Terror
relativity. See also general relativity; special relativity
acceptance of
and black holes
and classical mechanics
and definition of time
discovery of
and empiricism
and function of time
key to understanding
and light cones
and mass/energy equivalency
and spaceship thought experiment
and spacetime
religion
Remembrance of Things Past (Proust)
reversibility
and arrow of time
and bouncing-universe cosmology
and decoherence
and determinism
and entropy definition
and inflationary cosmology
and initial conditions of the universe
and many-worlds interpretation
and multiverse model
and possibilism
and Principle of Indifference
and quantum mechanics
and reverse chronology
and space of states
and time before Big Bang
and time symmetry
and wave functions
and white holes
Ricci curvature hypothesis
Roman culture
Rosen, Nathan
rotation
and black holes
and closed timelike curves
and flatland thought experiment
and special relativity
and wormholes
Sagan, Carl
satellites
Schmidt, Brian
Schrödinger, Annemarie
Schrödinger, Erwin
Schrödinger equation
Schrödinger’s Cat thought experiment
Schwarzchild radius
Sciama, Dennis
scientific method
Second Law of Thermodynamics
and arrow of time
and black holes
and Boltzmann
and bouncing-universe cosmology
and closed timelike curves
and coarse-graining
and creationism
and decoherence
described
and entropy
examples of
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