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Time Travel in Einstein's Universe
by J. Richard Gott III • 2001
Einstein's two routes to time travel, and why no one from the future has shown up.
4.07
2k+
Time Travel in Einstein's Universe Summary
Time Travel in Einstein's Universe 93%
Einstein's two routes to time travel, and why no one from the future has shown up.
by J. Richard Gott III 2001
4.07
2k+ ratings
How to Build a Time Machine
by Paul C.W. Davies • 2001
Forward time travel is real. Going back needs wormholes, exotic matter, and a loophole in causality.
3.82
1k+
How to Build a Time Machine Summary
How to Build a Time Machine 93%
Forward time travel is real. Going back needs wormholes, exotic matter, and a loophole in causality.
by Paul C.W. Davies 2001
3.82
1k+ ratings
The Biggest Ideas in the Universe
by Sean Carroll • 2022
How equations reveal curved spacetime and time's arrow, no physics degree required.
4.00
2k+
The Biggest Ideas in the Universe Summary
The Biggest Ideas in the Universe 92%
How equations reveal curved spacetime and time's arrow, no physics degree required.
by Sean Carroll 2022
4.00
2k+ ratings
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback]
by Cox • 2009
Chase a light beam: it still outruns you. That single fact rebuilds spacetime from scratch.
4.05
10k+
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback] Summary
Why Does E=mc2? by Cox, Brian, Forshaw, Jeff [Da Capo Press, 2010] (Paperback) [Paperback] 92%
Chase a light beam: it still outruns you. That single fact rebuilds spacetime from scratch.
by Cox 2009
4.05
10k+ ratings
The Fabric of the Cosmos
by Brian Greene • 2004
Space stretches, time is relative, and your present moment is an illusion.
4.13
41k+
The Fabric of the Cosmos Summary
The Fabric of the Cosmos 92%
Space stretches, time is relative, and your present moment is an illusion.
by Brian Greene 2004
4.13
41k+ ratings
Relativity
by Albert Einstein • 1916
Space and time are not an empty stage; they flex, bend, and stretch the rules of reality.
4.20
23k+
Relativity Summary
Relativity 92%
Space and time are not an empty stage; they flex, bend, and stretch the rules of reality.
by Albert Einstein 1916
4.20
23k+ ratings
The Order of Time
by Carlo Rovelli • 2017
Time bends with gravity. No cosmos-wide now exists. The arrow of time is only entropy, rising.
4.13
39k+
The Order of Time Summary
The Order of Time 92%
Time bends with gravity. No cosmos-wide now exists. The arrow of time is only entropy, rising.
by Carlo Rovelli 2017
4.13
39k+ ratings
About Time
by Adam Frank • 2011
Time is a human invention, rebuilt every era. Our cosmology just catches up.
3.88
484
About Time Summary
About Time 92%
Time is a human invention, rebuilt every era. Our cosmology just catches up.
by Adam Frank 2011
3.88
484 ratings
In Search of Time
by Dan Falk • 2008
Ancient calendars and modern physics agree: time is not the steady river we imagine.
3.97
548
In Search of Time Summary
In Search of Time 91%
Ancient calendars and modern physics agree: time is not the steady river we imagine.
by Dan Falk 2008
3.97
548 ratings
The Clock Mirage
by Joseph Mazur • 2020
Physics says time is relative. Biology says it's a cellular rhythm. The clock is a mirage.
3.42
118
The Clock Mirage Summary
The Clock Mirage 91%
Physics says time is relative. Biology says it's a cellular rhythm. The clock is a mirage.
by Joseph Mazur 2020
3.42
118 ratings
The Universe in a Nutshell
by Stephen W. Hawking • 2001
How can a three-dimensional universe be a flat hologram? The physics that points toward an answer.
4.18
46k+
The Universe in a Nutshell Summary
The Universe in a Nutshell 91%
How can a three-dimensional universe be a flat hologram? The physics that points toward an answer.
by Stephen W. Hawking 2001
4.18
46k+ ratings
What Is Relativity?
by Jeffrey O. Bennett • 2014
Why time slows down, space shrinks, and gravity isn't a force: the plain-English version.
4.33
551
What Is Relativity? Summary
What Is Relativity? 91%
Why time slows down, space shrinks, and gravity isn't a force: the plain-English version.
by Jeffrey O. Bennett 2014
4.33
551 ratings
The Road to Reality
by Roger Penrose • 2004
Physics, equation by equation: the complete mathematical tour from arithmetic to quantum fields.
4.17
9k+
The Road to Reality Summary
The Road to Reality 91%
Physics, equation by equation: the complete mathematical tour from arithmetic to quantum fields.
by Roger Penrose 2004
4.17
9k+ ratings
The Science of Interstellar
by Kip S. Thorne • 2015
Black holes bend time. Wormholes need exotic matter. Interstellar's physicist explains.
4.30
7k+
The Science of Interstellar Summary
The Science of Interstellar 90%
Black holes bend time. Wormholes need exotic matter. Interstellar's physicist explains.
by Kip S. Thorne 2015
4.30
7k+ ratings
The Hunt for Vulcan
by Thomas Levenson • 2015
The planet Vulcan was astronomy's biggest mistake. Correcting it required rewriting gravity.
4.06
2k+
The Hunt for Vulcan Summary
The Hunt for Vulcan 90%
The planet Vulcan was astronomy's biggest mistake. Correcting it required rewriting gravity.
by Thomas Levenson 2015
4.06
2k+ ratings
Your Brain Is a Time Machine
by Dean Buonomano • 2017
Your brain is a simulator of futures; physics suggests time may not flow at all.
3.90
2k+
Your Brain Is a Time Machine Summary
Your Brain Is a Time Machine 90%
Your brain is a simulator of futures; physics suggests time may not flow at all.
by Dean Buonomano 2017
3.90
2k+ ratings
Gravity
by James B. Hartle • 2002
Gravity is spacetime curvature. An undergraduate textbook from special relativity to black holes.
4.25
158
Gravity Summary
Gravity 90%
Gravity is spacetime curvature. An undergraduate textbook from special relativity to black holes.
by James B. Hartle 2002
4.25
158 ratings
Other Worlds
by Paul C.W. Davies • 1980
Observation brings reality into being; our habitable universe may be a fluke among dead worlds.
3.86
188
Other Worlds Summary
Other Worlds 90%
Observation brings reality into being; our habitable universe may be a fluke among dead worlds.
by Paul C.W. Davies 1980
3.86
188 ratings
Reality is Not What it Seems
by Carlo Rovelli • 2014
The universe has no bottom: particles dissolve into fields, space into grains, time into ignorance.
4.33
17k+
Reality is Not What it Seems Summary
Reality is Not What it Seems 90%
The universe has no bottom: particles dissolve into fields, space into grains, time into ignorance.
by Carlo Rovelli 2014
4.33
17k+ ratings
The Universe in Your Hand
by Christophe Galfard • 2015
Why time slows at high speed, space is never empty, 95% of the universe is missing.
4.39
7k+
The Universe in Your Hand Summary
The Universe in Your Hand 90%
Why time slows at high speed, space is never empty, 95% of the universe is missing.
by Christophe Galfard 2015
4.39
7k+ ratings
The Secret Pulse of Time
by Stefan Klein • 2006
Your brain decides how fast time moves, and you can learn to set the pace.
3.88
712
The Secret Pulse of Time Summary
The Secret Pulse of Time 90%
Your brain decides how fast time moves, and you can learn to set the pace.
by Stefan Klein 2006
3.88
712 ratings
Endless Universe
by Paul J. Steinhardt • 2007
The Big Bang was not the beginning. A trillion-year cycle of collisions remakes the universe.
4.12
1k+
Endless Universe Summary
Endless Universe 90%
The Big Bang was not the beginning. A trillion-year cycle of collisions remakes the universe.
by Paul J. Steinhardt 2007
4.12
1k+ ratings
The Fourth Dimension
by Rudy Rucker • 1984
The fourth dimension decoded: from Flatland to wormholes, where geometry bends mind and cosmos.
4.14
804
The Fourth Dimension Summary
The Fourth Dimension 90%
The fourth dimension decoded: from Flatland to wormholes, where geometry bends mind and cosmos.
by Rudy Rucker 1984
4.14
804 ratings
The Theory of Everything
by Stephen W. Hawking • 2002
If a universe can arise from nothing, what role remains for a creator?
4.18
29k+
The Theory of Everything Summary
The Theory of Everything 90%
If a universe can arise from nothing, what role remains for a creator?
by Stephen W. Hawking 2002
4.18
29k+ ratings
Gravitation and Cosmology
by Steven Weinberg • 1972
A textbook that doesn't ask you to imagine curved spacetime; it proves you can't avoid it.
4.50
177
Gravitation and Cosmology Summary
Gravitation and Cosmology 90%
A textbook that doesn't ask you to imagine curved spacetime; it proves you can't avoid it.
by Steven Weinberg 1972
4.50
177 ratings
Schrödinger's Kittens and the Search for Reality
by John Gribbin • 1996
Quantum paradoxes resolve when you realize particles don't experience time the way we do.
4.07
2k+
Schrödinger's Kittens and the Search for Reality Summary
Schrödinger's Kittens and the Search for Reality 90%
Quantum paradoxes resolve when you realize particles don't experience time the way we do.
by John Gribbin 1996
4.07
2k+ ratings
Something Deeply Hidden
by Sean Carroll • 2019
Every quantum event spawns new worlds. Spacetime is just a convenient fiction.
4.08
6k+
Something Deeply Hidden Summary
Something Deeply Hidden 90%
Every quantum event spawns new worlds. Spacetime is just a convenient fiction.
by Sean Carroll 2019
4.08
6k+ ratings
Hyperspace
by Michio Kaku • 1994
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
4.15
24k+
Hyperspace Summary
Hyperspace 90%
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
by Michio Kaku 1994
4.15
24k+ ratings
Cycles of Time
by Roger Penrose • 2010
Before our Big Bang, another universe died. Its gravitational echoes may still be visible overhead.
3.93
3k+
Cycles of Time Summary
Cycles of Time 90%
Before our Big Bang, another universe died. Its gravitational echoes may still be visible overhead.
by Roger Penrose 2010
3.93
3k+ ratings
A Briefer History of Time
by Stephen W. Hawking • 2005
Why time only runs forward, how black holes evaporate, and where physics must start over.
4.26
43k+
A Briefer History of Time Summary
A Briefer History of Time 90%
Why time only runs forward, how black holes evaporate, and where physics must start over.
by Stephen W. Hawking 2005
4.26
43k+ ratings
On the Origin of Time
by Thomas Hertog • 2023
The universe has no single origin story. Hawking's last theory: our questions shape the cosmic past.
4.06
3k+
On the Origin of Time Summary
On the Origin of Time 89%
The universe has no single origin story. Hawking's last theory: our questions shape the cosmic past.
by Thomas Hertog 2023
4.06
3k+ ratings
Einstein's Unfinished Symphony
by Marcia Bartusiak • 2000
Einstein predicted space-time ripples. The ear to hear them: four kilometers of laser.
4.04
203
Einstein's Unfinished Symphony Summary
Einstein's Unfinished Symphony 89%
Einstein predicted space-time ripples. The ear to hear them: four kilometers of laser.
by Marcia Bartusiak 2000
4.04
203 ratings
A Brief History of Time
by Stephen W. Hawking • 1988
A universe from nothing, glowing black holes, and the question physics still cannot answer.
4.21
483k+
A Brief History of Time Summary
A Brief History of Time 89%
A universe from nothing, glowing black holes, and the question physics still cannot answer.
by Stephen W. Hawking 1988
4.21
483k+ ratings
The Elegant Universe
by Brian Greene • 1999
Physics' sixty-year civil war. String theory says both sides win, if reality has ten dimensions.
4.10
103k+
The Elegant Universe Summary
The Elegant Universe 89%
Physics' sixty-year civil war. String theory says both sides win, if reality has ten dimensions.
by Brian Greene 1999
4.10
103k+ ratings
The Quantum Rules
by Kunal K. Das • 2013
Quantum laws don't just govern particles: they explain why relationships fail and time speeds up.
3.61
256
The Quantum Rules Summary
The Quantum Rules 89%
Quantum laws don't just govern particles: they explain why relationships fail and time speeds up.
by Kunal K. Das 2013
3.61
256 ratings
The God Equation
by Michio Kaku • 2021
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
4.11
9k+
The God Equation Summary
The God Equation 89%
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
by Michio Kaku 2021
4.11
9k+ ratings
Our Mathematical Universe
by Max Tegmark • 2012
The universe is a mathematical structure, and parallel worlds exist at four different scales.
4.18
9k+
Our Mathematical Universe Summary
Our Mathematical Universe 89%
The universe is a mathematical structure, and parallel worlds exist at four different scales.
by Max Tegmark 2012
4.18
9k+ ratings
A Universe from Nothing
by Lawrence M. Krauss • 2012
No creator required. Physics now shows how a universe can emerge from nothing.
3.94
31k+
A Universe from Nothing Summary
A Universe from Nothing 89%
No creator required. Physics now shows how a universe can emerge from nothing.
by Lawrence M. Krauss 2012
3.94
31k+ ratings
The Cyclic Universe
by Howard Burton • 2013
An infinite cycle: the far future of one universe ignites the Big Bang of the next.
4.25
28
The Cyclic Universe Summary
The Cyclic Universe 89%
An infinite cycle: the far future of one universe ignites the Big Bang of the next.
by Howard Burton 2013
4.25
28 ratings
Einstein's Fridge
by Paul Sen • 2021
The science of heat built the modern world and governs time's arrow, life, and black holes.
4.26
989
Einstein's Fridge Summary
Einstein's Fridge 89%
The science of heat built the modern world and governs time's arrow, life, and black holes.
by Paul Sen 2021
4.26
989 ratings
The Elephant in the Universe
by Govert Schilling • 2022
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
4.07
265
The Elephant in the Universe Summary
The Elephant in the Universe 89%
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
by Govert Schilling 2022
4.07
265 ratings
Taking the Quantum Leap
by Fred Alan Wolf • 1981
Particles exist as possibilities until someone looks. What that means for reality, time, and mind.
4.04
543
Taking the Quantum Leap Summary
Taking the Quantum Leap 89%
Particles exist as possibilities until someone looks. What that means for reality, time, and mind.
by Fred Alan Wolf 1981
4.04
543 ratings
In Search of the Multiverse
by John Gribbin • 2009
Our universe seems fine-tuned for life. The real explanation: it is just one of countless tries.
4.08
1k+
In Search of the Multiverse Summary
In Search of the Multiverse 89%
Our universe seems fine-tuned for life. The real explanation: it is just one of countless tries.
by John Gribbin 2009
4.08
1k+ ratings
The Time Ships
by Stephen Baxter • 1995
A Victorian inventor discovers his time machine has splintered the future into warring worlds.
3.95
7k+
The Time Ships Summary
The Time Ships 89%
A Victorian inventor discovers his time machine has splintered the future into warring worlds.
by Stephen Baxter 1995
3.95
7k+ ratings
Existential Physics
by Sabine Hossenfelder • 2022
What physics says about time, free will, and the cosmos versus the stories sold as science.
3.88
3k+
Existential Physics Summary
Existential Physics 89%
What physics says about time, free will, and the cosmos versus the stories sold as science.
by Sabine Hossenfelder 2022
3.88
3k+ ratings
The Big Picture
by Sean Carroll • 2016
How a purposeless cosmos produces life, mind, and the meaning we build for ourselves.
4.18
10k+
The Big Picture Summary
The Big Picture 89%
How a purposeless cosmos produces life, mind, and the meaning we build for ourselves.
by Sean Carroll 2016
4.18
10k+ ratings
The Last Three Minutes
by Paul C.W. Davies • 1995
The universe will die: here are the hows, and loopholes that might let intelligence outlast it.
3.80
1k+
The Last Three Minutes Summary
The Last Three Minutes 89%
The universe will die: here are the hows, and loopholes that might let intelligence outlast it.
by Paul C.W. Davies 1995
3.80
1k+ ratings
The Grand Design
by Stephen W. Hawking • 2010
A landscape of 10^500 possible universes explains the fine-tuning of ours, no designer required.
4.06
78k+
The Grand Design Summary
The Grand Design 89%
A landscape of 10^500 possible universes explains the fine-tuning of ours, no designer required.
by Stephen W. Hawking 2010
4.06
78k+ ratings
Parallel Worlds
by Michio Kaku • 2004
A multiverse explains our improbable existence, and may offer an escape when this universe freezes.
4.21
23k+
Parallel Worlds Summary
Parallel Worlds 89%
A multiverse explains our improbable existence, and may offer an escape when this universe freezes.
by Michio Kaku 2004
4.21
23k+ ratings
The Accidental Universe
by Alan Lightman • 2013
You see a fraction of the universe. A physicist maps the vast, invisible rest.
3.85
5k+
The Accidental Universe Summary
The Accidental Universe 89%
You see a fraction of the universe. A physicist maps the vast, invisible rest.
by Alan Lightman 2013
3.85
5k+ ratings
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