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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 93%
The fourth dimension decoded: from Flatland to wormholes, where geometry bends mind and cosmos.
by Rudy Rucker 1984
4.14
804 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
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 92%
Gravity is spacetime curvature. An undergraduate textbook from special relativity to black holes.
by James B. Hartle 2002
4.25
158 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 92%
Physics, equation by equation: the complete mathematical tour from arithmetic to quantum fields.
by Roger Penrose 2004
4.17
9k+ 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
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 92%
One idea unifies physics: add dimensions and the laws simplify. Why the cosmos may need ten.
by Michio Kaku 1994
4.15
24k+ 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 92%
Black holes bend time. Wormholes need exotic matter. Interstellar's physicist explains.
by Kip S. Thorne 2015
4.30
7k+ 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 92%
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
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
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 91%
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
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 91%
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
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 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 91%
The planet Vulcan was astronomy's biggest mistake. Correcting it required rewriting gravity.
by Thomas Levenson 2015
4.06
2k+ 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 91%
Space stretches, time is relative, and your present moment is an illusion.
by Brian Greene 2004
4.13
41k+ 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 91%
If a universe can arise from nothing, what role remains for a creator?
by Stephen W. Hawking 2002
4.18
29k+ 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 91%
Physics' sixty-year civil war. String theory says both sides win, if reality has ten dimensions.
by Brian Greene 1999
4.10
103k+ ratings
Vector
by Robyn Arianrhod • 2024
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
4.05
163
Vector Summary
Vector 90%
Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.
by Robyn Arianrhod 2024
4.05
163 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 90%
Einstein predicted space-time ripples. The ear to hear them: four kilometers of laser.
by Marcia Bartusiak 2000
4.04
203 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 90%
Three forces unified. Gravity alone resists. The ten-dimensional theory that might finally crack it.
by Michio Kaku 2021
4.11
9k+ 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
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 90%
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
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 90%
Time is a human invention, rebuilt every era. Our cosmology just catches up.
by Adam Frank 2011
3.88
484 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
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
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 90%
A multiverse explains our improbable existence, and may offer an escape when this universe freezes.
by Michio Kaku 2004
4.21
23k+ 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 90%
Eighty-four percent of matter is invisible. A century-long hunt has yet to catch it.
by Govert Schilling 2022
4.07
265 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 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 90%
An infinite cycle: the far future of one universe ignites the Big Bang of the next.
by Howard Burton 2013
4.25
28 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
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
Just Six Numbers
by Martin J. Rees • 1999
The difference between a living universe and a dead one is six numbers.
3.96
5k+
Just Six Numbers Summary
Just Six Numbers 90%
The difference between a living universe and a dead one is six numbers.
by Martin J. Rees 1999
3.96
5k+ 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
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 90%
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
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 90%
Ancient calendars and modern physics agree: time is not the steady river we imagine.
by Dan Falk 2008
3.97
548 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 90%
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
The Black Hole War
by Leonard Susskind • 2008
Hawking said black holes destroy information. Susskind spent thirty years proving he was wrong.
4.13
12k+
The Black Hole War Summary
The Black Hole War 90%
Hawking said black holes destroy information. Susskind spent thirty years proving he was wrong.
by Leonard Susskind 2008
4.13
12k+ ratings
To Infinity and Beyond
by Neil deGrasse Tyson • 2023
A cosmic tour where emptiness isn't empty, time bends, and most of reality remains invisible.
4.31
2k+
To Infinity and Beyond Summary
To Infinity and Beyond 90%
A cosmic tour where emptiness isn't empty, time bends, and most of reality remains invisible.
by Neil deGrasse Tyson 2023
4.31
2k+ ratings
A Beautiful Question
by Frank Wilczek • 2015
From Pythagoras to quantum theory, a Nobel laureate shows beauty was always the compass of physics.
3.87
2k+
A Beautiful Question Summary
A Beautiful Question 90%
From Pythagoras to quantum theory, a Nobel laureate shows beauty was always the compass of physics.
by Frank Wilczek 2015
3.87
2k+ ratings
Black Holes
by Katherine Blundell • 2014
Gravity's most extreme creations: regions where time stalls, light is trapped, and physics unravels.
3.86
421
Black Holes Summary
Black Holes 90%
Gravity's most extreme creations: regions where time stalls, light is trapped, and physics unravels.
by Katherine Blundell 2014
3.86
421 ratings
Black Hole Survival Guide
by Janna Levin • 2020
A black hole is curved void, not dense mass. Inside, the future ends and reality turns holographic.
4.00
2k+
Black Hole Survival Guide Summary
Black Hole Survival Guide 90%
A black hole is curved void, not dense mass. Inside, the future ends and reality turns holographic.
by Janna Levin 2020
4.00
2k+ 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 90%
You see a fraction of the universe. A physicist maps the vast, invisible rest.
by Alan Lightman 2013
3.85
5k+ 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
Black Holes and Baby Universes and Other Essays
by Stephen W. Hawking • 1993
Black holes are not black, imaginary time behaves like space, and everything is determined.
4.18
19k+
Black Holes and Baby Universes and Other Essays Summary
Black Holes and Baby Universes and Other Essays 89%
Black holes are not black, imaginary time behaves like space, and everything is determined.
by Stephen W. Hawking 1993
4.18
19k+ ratings
The Hidden Reality
by Brian Greene • 2011
A single unsettling destination modern physics keeps reaching: our universe is not the only one.
4.11
21k+
The Hidden Reality Summary
The Hidden Reality 89%
A single unsettling destination modern physics keeps reaching: our universe is not the only one.
by Brian Greene 2011
4.11
21k+ ratings
Visualizing Mathematics with 3D Printing
by Henry Segerman • 2016
3D printing turns polyhedra, knots, and 4D shadows into hands-on objects you finally grasp.
4.08
13
Visualizing Mathematics with 3D Printing Summary
Visualizing Mathematics with 3D Printing 89%
3D printing turns polyhedra, knots, and 4D shadows into hands-on objects you finally grasp.
by Henry Segerman 2016
4.08
13 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
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 89%
Quantum paradoxes resolve when you realize particles don't experience time the way we do.
by John Gribbin 1996
4.07
2k+ ratings
Coming of Age in the Milky Way
by Timothy Ferris • 2003
Our cosmic address was once a tiny sphere with Earth at its center. How we found the real one.
4.16
3k+
Coming of Age in the Milky Way Summary
Coming of Age in the Milky Way 89%
Our cosmic address was once a tiny sphere with Earth at its center. How we found the real one.
by Timothy Ferris 2003
4.16
3k+ 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
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