The Biggest Ideas in the Universe: Space, Time, and Motion

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INSTANT NEW YORK TIMES BESTSELLER
“Most appealing... technical accuracy and lightness of tone... Impeccable.”—Wall Street Journal
“A porthole into another world.”—Scientific American
“Brings science dissemination to a new level.”—Science

The most trusted explainer of the most mind-boggling concepts pulls back the veil of mystery that has too long cloaked the most valuable building blocks of modern science. Sean Carroll, with his genius for making complex notions entertaining, presents in his uniquely lucid voice the fundamental ideas informing the modern physics of reality.

Physics offers deep insights into the workings of the universe but those insights come in the form of equations that often look like gobbledygook. Sean Carroll shows that they are really like meaningful poems that can help us fly over sierras to discover a miraculous multidimensional landscape alive with radiant giants, warped space-time, and bewilderingly powerful forces. High school calculus is itself a centuries-old marvel as worthy of our gaze as the Mona Lisa. And it may come as a surprise the extent to which all our most cutting-edge ideas about black holes are built on the math calculus enables.

No one else could so smoothly guide readers toward grasping the very equation Einstein used to describe his theory of general relativity. In the tradition of the legendary Richard Feynman lectures presented sixty years ago, this book is an inspiring, dazzling introduction to a way of seeing that will resonate across cultural and generational boundaries for many years to come.

Review

“What is most appealing in this ambitious book is its combination of technical accuracy and lightness of tone…reader-friendly…the scientific and mathematical aspects of the book are impeccable.”
—The Wall Street Journal

“Reading The Biggest Ideas in the Universe is like taking an introductory physics class with a star professor—but with all of the heady lectures and none of the tedious problem sets…For those without the [STEM] background, [the result] might feel like a porthole into another world.”
—Scientific American

“Sean Carroll shows… that the essence of physics, including its fundamental equations, can be made accessible to anyone equipped with no more than high school math. Carroll is an accomplished science writer, a talent with few peers… The Biggest Ideas in the Universe brings science dissemination to a new level. In doing so, the biggest and most consequential idea in Carroll’s trilogy might well be that substantive discussions about science can ultimately be had by everyone.”
—Science

“Neat, and extremely simple: only a deep thinker such as Sean Carroll could introduce the complexity of Einstein’s general relativity in such a luminous and straightforward manner.”
—Carlo Rovelli, author of There Are Places in the World Where Rules Are Less Important Than Kindness and Seven Brief Lessons on Physics

“Sean Carroll is a wizard of empathy. In this short book, the first of three on The Biggest Ideas in the Universe, he anticipates what’s always confused you about physics and then gently guides you to enlightenment… and ultimately, to newfound wonder.”
—Steven Strogatz, professor of applied mathematics, Cornell University, author of The Joy of X and Infinite Powers

“As a ten-year-old physics enthusiast, I would have loved The Biggest Ideas in the Universe. With this book, Sean Carroll rejects traditional elitism in physics and welcomes in anyone who knows only a little algebra but wants to understand the whole universe. Carroll, who has long been one of my role models for exposition about the cosmos, dreams of a world where physics is hot gossip. With this book, he takes an important step toward making this idea a reality by giving people the tools they need so they too can understand the biggest ideas—and questions—in the universe. I can’t wait to hear that people are arguing about beyond standard model physics at the Thanksgiving dinner table!”
—Chanda Prescod-Weinstein, author of The Disordered Cosmos: A Journey into Dark Matter, Spacetime, and Dreams Deferred

“Sean Carroll's greatest gift isn't that he's an expert on the fundamentals of physics, which he is, but that he never speaks down to his reader. He assumes that anyone, even the uninitiated, can learn to understand the formulae that underlie complicated concepts like space and time. It is a pleasure to read his work, a greater pleasure still to get a world-class education from such a witty, thoughtful teacher.”
—Annalee Newitz, author of The Future of Another Timeline and Four Lost Cities

“Do popular books about physics leave you feeling that you’re just getting stories and not real science? If so, this is the book for you. In a clear and non-scary way, it explains the mathematical theories behind what physicists really think. Carroll’s trilogy will plug a big gap in how physics is communicated to non-specialists—and to judge from this first volume, will do so brilliantly.”
—Philip Ball, author of Beyond Weird: Why Everything You Thought You Knew about Quantum Physics Is Different

“Sean Carroll has achieved something I thought impossible: a bridge between popular science and the mathematical universe of working physicists. Magnificent!”
—Brian Clegg, author of Ten Days in Physics that Shook the World

“Sean Carroll has produced a guide to relativity theory for the 21st century, plugging the gap between popularisations that emphasise the oddities without giving the facts, and textbooks that train students to manipulate equations without providing insight into what it all means. He will open your eyes to the way physicists view the universe, making fundamental ideas accessible without the need for a degree in science, but bravely ignoring the old adage that adding equations will scare readers off. Don’t be scared; this is the best lay-person’s guide to the subject, written in an accessible, entertaining style and impeccably accurate. And the author promises to tackle quantum theory next! I can’t wait.”
—John Gribbin, senior honorary research fellow in astronomy, University of Sussex

“Carroll takes readers on a remarkable journey through some of the most important ideas in the field and lays out how those ideas become manifest in mathematical form. It’s a bold move, and through it Carroll is able to take his readers on a much deeper exploration of foundational notions like force, motion, and momentum than other books manage.... If you are interested in physics, you should read this book. It can open a window through which your view of the Universe will be richer, subtler, and way more awesome.”
—Big Think

“If you are trying to find a short treatment of the key ideas of physics that is genuinely accessible to pretty much anyone with a high school math background... Sean’s two big strengths are an easy, informal manner of exposition and a gift for focusing on the physics and not letting the reader get lost in the weeds. The Biggest Ideas in the Universe exemplifies Einstein’s quote that everything should be made as simple as possible, but no simpler.”
—3 Quarks Daily

“I simply love it... Carroll is aware that you need to understand the math to truly comprehend the physics that underpins our greatest brainchildren. He diligently explains the concept of infinitesimal changes, for example, so that readers understand why Isaac Newton had to (co)invent calculus to explain planetary orbits. Over the course of the book, readers go from learning how to take a derivative to gaining an appreciation of the metric tensor that describes spacetime.”
—Seyda Ipek, Carleton University, Physics Today

“Anyone who is interested in fundamental physics is encouraged to read this book, especially young people interested in studying physics because they will get an excellent idea of the type of physical arguments they will encounter at university. Those who think their mathematical background isn’t sufficient will likely learn many new things, even though the later chapters are quite technical. And if you are at the other end of the spectrum, such as a working physicist, you will find the philosophical discussions of familiar concepts and the illuminating arguments included to elicit physical intuition most useful.”
—Martin Bauer, University of Durham, CERN

“No-nonsense, not-dumbed-down explanations of basic laws of the universe that reward close attention.”
—Kirkus

“One-of-a-kind…Carroll flips the script and illuminates the form and beauty underlying a discipline that helps us understand all that exists.”
—Booklist

About the Author

Sean Carroll is Homewood Professor of Natural Philosophy at Johns Hopkins University, and Fractal Faculty at the Santa Fe Institute. He is host of the Mindscape podcast, and author of From Eternity to Here, The Particle at the End of the Universe, The Big Picture, and Something Deeply Hidden. He has been awarded prizes and fellowships by the National Science Foundation, NASA, the American Institute of Physics, the Royal Society of London, and many others. He lives in Baltimore with his wife, writer Jennifer Ouellette.

Excerpt. © Reprinted by permission. All rights reserved.

One

Conservation

Look around. If you're like most people, you have a body. It's located somewhere. Chances are that you are surrounded by a variety of other objects, located other places. Tables, chairs, a floor, ceiling, walls, maybe trees or a body of water if you're outside. All of these objects exist, with certain locations and properties, and those locations and properties can change with time. You can scoot your chair nearer to a wall, or farther away. You drink a glass of water, absorbing its substance into your body. If instead you put the glass on a table and leave it there, the water will eventually evaporate into the air.

That's how we think about the world from an immediate, human-scale perspective. There is stuff, which is located in space. (By "space" we don't mean "outer space," just the three-dimensional realm through which things move.) This stuff might change, or it might remain constant over time. Physics is the study of all that stuff, and its behavior, at the most basic level we can think of. What is all that stuff, really? How do different objects relate to one another? How do they change with time? What is "time," and for that matter what is "space," when you get right down to it?

One of the most enjoyable features of physics is how quickly we go from mundane observations-look at that stuff, behaving in that way!-to profound questions about the nature of reality. The key is that things don't just happen-all of the happenings fit into certain patterns. It's those patterns that we call the laws of physics, and our job is to uncover them.

The simplest pattern of all is the fact that certain things remain constant even as time passes. Contemplating that basic feature of reality is a great jumping-off point for our investigations, which will get pretty wild soon enough.

Predictability

We take for granted that the world around us is at least a little bit predictable. If there is a table in a room, and we turn to face away from it for just a second, we expect the table to still be there when we turn back. If we place an apple on the table, we expect the table to support it, rather than the apple falling right through to the floor. As much as we might lament how difficult it is to predict the weather or future election outcomes, we should be impressed by how much reliable predictability there is.

Physics is made possible by this predictability. It may not be absolute, but we can somewhat anticipate what's going to come next in the world if we know what's going on right now. The most basic kind of predictability is conservation, the fact that some things don't change at all.

Conservation is just what physicists call "staying constant over time." You may have heard that energy is conserved, for example. Energy isn't a kind of substance, like water or dirt. It's a property that things have, depending on what they are and what kind of situation they're in. There is no "energy fluid" that flows from place to place. There are simply objects that have positions and velocities and other properties, and we can associate a certain amount of energy with them because of those facts.

An object can have energy because it is moving, because it's located at a high elevation, because it's hot, because it's massive, because it's electrically charged, or for other reasons. Under the right circumstances, those forms of energy can be converted back and forth between each other. The energy that a wineglass has just from being located on a table can, if the glass is knocked off the edge, rapidly be converted into energy of motion as it falls, and then into heat and noise and other forms of dissipated energy as it breaks on the ground. Conservation of energy is simply the idea that the total energy, given by adding up all the individual forms, remains constant throughout the whole process.

(Wait-is this circular reasoning? Are we merely inventing a bunch of quantities that add up to a constant number by definition, calling that "energy," and congratulating ourselves for discovering a law of physics? No. There is an independent way to define energy and then show that it's conserved, based on the fact that the laws of physics don't themselves change over time. But you're asking the right kind of question.)

As simple an idea as we can imagine-there is a quantity that doesn't change, it stays the same as time passes. But conservation of energy and other quantities isn't just a gentle, unintimidating place from which to launch a survey of all of physics. It's logically the right place, since an understanding of conservation was the first step in the transition from pre-modern to modern science.

From Natures to Patterns

Put yourself in the mindset of humans trying to understand the world before physics in its modern form came along. The Greek philosopher Aristotle is usually chosen as an exemplar, though other ancient thinkers would have thought similarly. To greatly simplify a complex and subtle set of ideas, Aristotle separated the way things move into "natural" and "unnatural" (or "violent") motions. He thought of the world as fundamentally teleological-oriented toward a future goal. Objects have natural places to be or conditions to be in, and they tend to move to those places. A rock will fall to the ground and sit there; fire will rise to the heavens.

Here on Earth, in Aristotle's view, if everything were in its natural state, things would be motionless. It requires some external influence to get things moving, and even then the motion will only be temporary. You can pick up a rock and throw it; that's an unnatural or violent motion. But eventually the rock will come back down, maybe bounce around a bit, and return to its natural state at rest on the ground.

He's not wrong, at least in a wide variety of circumstances. If you're sitting with a coffee cup on the table in front of you, by itself the cup will just sit there. You can make it move by pushing it, but when you stop pushing, it will come to rest again. We can extrapolate this, Aristotle imagines, to a basic feature of the universe. Objects are naturally at rest, and motion only occurs when something pushes them away from this natural state.

This picture fits less well with other cases that were known even in Aristotle's day. Ancient Greeks were well acquainted with arrows flying through the air. The initial force may be applied by the bowstring, but it's clear that the arrow keeps going long after it has left the bow. Why doesn't the arrow just fall to the ground? What keeps it from expeditiously returning to its natural state?

This was a question that great minds puzzled over for hundreds of years. It took a while, but the answer ultimately led to a wholesale overthrow of Aristotle's teleological view of the universe. It was replaced with a picture in which objects don't evolve toward ultimate goals; instead, they obey laws that predict what will happen the very next moment based on what's happening now.

Conservation of Momentum

An important step was taken by John Philoponus, an Alexandrian thinker in the sixth century. He suggested that the bowstring imparted a certain quantity, later dubbed "impetus," to the arrow, which kept it moving for a while before eventually dissipating away. A simple suggestion, perhaps, but an important move away from thinking in terms of forward-looking purposes and replacing them with properties that exist in the moment.

Philoponus's idea was developed further by Ibn Sn (Avicenna), an eleventh-century Persian polymath. It was Ibn Sn who took the crucial step of arguing that impetus is not just temporary. Every object has a certain amount of impetus (equal to zero for a stationary object, some larger number if the object is moving), and that amount remains constant unless a force somehow pushes on it.

In this new picture, the reason why rocks and coffee cups come to rest is not because that's their natural state; it's because forces-friction, air resistance-gradually degrade the impetus from the body. In the vacuum of empty space, Ibn Sn suggested, there would be no air resistance, and a moving body would keep moving at a constant velocity in perpetuity. This was a wildly speculative thought experiment one thousand years ago, but today we regularly build spacecraft that move between the planets at basically a constant velocity (apart from the gentle tug of gravity). In the fourteenth century, French philosopher Jean Buridan proposed a mathematical formula for the impetus, equating it to the weight of an object times its speed.

What we have here is the birth of a law of physics: conservation of momentum. The rough idea of some "quantity of motion" being conserved came along before anyone could pinpoint precisely what that quantity was. This is a standard story of progress in theoretical physics: We put forward a new concept, work to characterize it in quantitative terms, then take that quantitative expression-an equation-and ask how it comports with other phenomena we observe in the world. Today we know that momentum is mass times velocity (at least until relativity comes along and complicates things a bit).

One problem with Buridan's definition of impetus as "weight times speed" is that "weight" isn't an intrinsic property of an object, because it depends on the amount of gravity pulling on it-your weight would be lower on the moon than it is on Earth, and you would be weightless if you were in a spaceship coasting between the planets. Mass, on the other hand, is an intrinsic property; roughly speaking, mass is the resistance that an object has to being accelerated. It takes a lot of force to accelerate a high-mass object to a certain speed, and only a little force to accelerate a low-mass object to that speed.

Similarly, speed and velocity are subtly different. Speed is a number, a certain number of meters per second. Whereas velocity is a vector-a quantity with both a magnitude and a direction. In fact, the magnitude of the velocity vector is precisely what we call "speed," but the velocity also points in some specified direction. So you have the same speed if you're driving north at 90 km/hour as you do if you're driving south at 90 km/hour, but your velocity is different.

We denote vectors by drawing little arrows over an appropriate symbol, so the velocity of an object is typically written . We very often care about the size, or magnitude, of a vector, which is written with the same symbol but without the arrow: The magnitude of a vector is simply v.

The arrow notation makes sense because we often represent a vectorial quantity by literally drawing an arrow that points in the direction of the vector, and whose length is proportional to the magnitude of the vector. Alternatively, we can represent a vector in terms of its components-the contributions it gets from different directions. If you are traveling exactly northward, the component of your velocity in the east/west direction is zero.

It is easy to add vectors together. Just imagine placing the beginning of the second vector at the end of the first, so we define a third resulting vector by traveling down the first and then the second. If the two vectors we're adding together point (almost) along the same direction, the total vector will be (almost) as long as the sum of their magnitudes, but if they point in (almost) opposite directions, the resulting vector can be much shorter.

Buridan and his predecessors didn't think in terms of vectors, which were gradually developed by a number of thinkers in the nineteenth century, including German mathematician August Ferdinand Mšbius (of "Mšbius strip" fame); Irish mathematician William Rowan Hamilton; German polymath Hermann Grassmann; and English mathematician Oliver Heaviside. So it's no surprise that it took a while to get the right definition of momentum.

These days the momentum vector is usually denoted . (The letter m is reserved for mass, so we take the symbol from the Latin word for momentum, petere.) With all that in mind, the expression for momentum is the simplest thing in the world:

(1.1)

Our first official equation. The momentum vector points in the same direction as the velocity vector, and their magnitudes are proportional. Proportionality will be a crucial concept for us: It means that a multiplicative change in one quantity implies a multiplicative change in the other. If you double the velocity, you double the momentum. The factor relating the two is called the "constant of proportionality," although in some equations it might not actually be constant. In this case it is: It's just the mass of the object.

The power of even a basic equation like this should be evident. We're not saying that the momentum of some particular object just happens to be equal to its mass times its velocity; we're saying that there is a universal relationship between momentum, mass, and velocity, which always takes precisely this form for every object. (When relativity comes along, some of the explicit forms of the equations we'll see here are going to have to be tweaked, but the basic principles are largely the same.)

An equation like this has no "causality" built into it; it's a rigid relationship between the quantities involved, and it reads equally well left-to-right or right-to-left. We can manipulate the equation in any way that does the same operation to both sides, such as dividing by m to get . We can therefore say, "If I know the velocity of an object, I multiply by its mass to get the momentum," or equally well, "If I know the momentum of an object, I divide by its mass to get the velocity."

Reviews:

5.0 out of 5 stars Great, educational read

A.H. · August 24, 2025

Great book, couldn’t put it down. Very educational but easy to read!

5.0 out of 5 stars A Huge Accomplishment in Scientific Explanation

N. · June 10, 2025

I wish this book had been available during my educational experiences. I finished lots of courses feeling I’d looked at the material from a distance (through a straw, if you will). This book suddenly puts all those subjects in view together, helping to see the interactions among subjects (seeing “the big picture”, if you will).This is a master communicator at work. Amazing!I particularly liked the intermingling of history with the scientific concepts. There’s just the right amount of information about humanity’s “big thinkers” to clearly see how each of them through the years “stood on the shoulders of giants” and at the same time were very human in some of their egos and hubris.There’s a saying among scientific authors that every equation included in a book reduces the author’s sales potential by 10%. Yet the finest authors, including this one, sprinkle equations liberally a productively.

4.0 out of 5 stars Readable overview of some major ideas in classical mechanics and beyond

A.M. · June 22, 2024

Space Time and Motion is Sean Carroll's first book in his new series on the biggest ideas in physics. This one discusses mainly ideas the are the foundation of classical mechanics from Newton to Einstein. The book is minimal in equations and intended for the general audience and I believe it follows his podcasts which I have not listened to. Nonetheless the author does communicate the ideas quite effectively and clears up some concepts that are often glossed over in physics textbooks in the pursuit of trying to give an understanding of the foundations of physics rather than just present calculation tools. Overall the book is pretty good but I prefer Leonard Susskind's approach to this which uses more equations but gives the reader a deeper picture into the same material.The book covers 9 major topics some of which follow naturally from one another while others could deserve their own book. The author starts with discussing the ingredients of physics and begins with conservation. he highlights how physicists use terms and what their meaning is and the remarkable properties that enable us to make predictions . Starting with conservation the author describes conservation of momentum and energy. He also lays the foundation of abstraction by describing how physicists drop most assumptions and focus on bare essentials to find patterns using a spherical cow joke to make the point. From there the author moves on to dynamics and in particular change. Forces are introduced with gravitation and the author starts to weave in some basic math like how physicists describe dynamical change with functions of time and differential and integral calculus to capture continuous changes. Simple mathematical concepts like taylor series are introduced and the author also tackles ideas like Hamiltonian mechanics and phase space. The treatment of momentum as independent of position is well done and the author does a good job giving the abstraction intended for Hamiltonian mechanics rather than just the benefits it delivers in calculation. The author then moves on to space and eventually spacetime. Given the author's first published book was a general relativity textbook, this is an area of deep expertise for him. The chapters on geometry, differential and Riemannian are well written and interpretable, albeit condensed for anyone to really get that much out of. The move into general relativity proper with the metric tensor along with write ups on covariant derivatives are also well done. The author gives the fundamental ideas that provided Einstein with the tools to construct a theory of gravity and that is a definite accomplishment. He then ventures into Schwarzschild's solution, then Kerr and tackles black holes as the final chapter.Overall the book is readable but not that deep. It does give a reasonable picture of the big ideas in physics but given the length of the book and the breadth of topics it is inevitably superficial. As mentioned I believe Susskind's books to be more realistic in their attempt to give the bare minimum to understand the bare minimum of these topics and it requires three books of slightly longer length to cover this one book. Nonetheless it is better than many popular physics books and is not without any merit. I find the author's subsequent work much more disappointing and unable to deliver on its goals, but this slightly hits the target.

5.0 out of 5 stars Advanced Explanations of Space, Time, and Motion

A.H. · January 12, 2025

I love to watch Sean Carroll's videos and his method of teaching is unique and mesmerizing. However, his speaking skills don't translate well into the written media. In this way, I was a bit disappointed -- but maybe I was expecting too much.This is not to say that the book didn't fulfill its promises. It does.I thought the first third of the book was a good review of my long-ago 12th grade Physics class. But it soon began to blossom into more advanced concepts that were supported by a little more math than I had been hoping for. I thought he did an excellent job of leading up to and explaining the meaning of "curved spacetime", as well as how and why gravity modifies spacetime (the topic I was most interested in, for which I had to wait until Chaper 8).Admittedly, the math overwhelmed me in the later chapters, but it wasn't difficult to wreak out its meanings and results. I also appreciated the historical references to the pioneer physicists and their contributions to everything we know today.There are so many advances and discoveries that have been made in understanding our physical world in a relatively short period of time, as discussed in this book, but so many questions are still unanswered. Carroll leaves us with a kind of excitement in attempting to imagine what might be yet to come.

5.0 out of 5 stars My kind of physics book

G. · January 28, 2023

This book is a welcome relief from the many popular books on physics and other science topics which assume that books won’t sell unless they create analogies with phenomena which a third grader can relate to.In this book Carroll writes for intelligent, educated adults who had a good comprehension of calculus and geometry 30 or 40 years ago but eventually choose a career path that led elsewhere. Medicine in my case. So Carroll undertakes to begin at the beginning, giving a review of important math topics in a few pages. For anyone who has never taken a course in calculus or linear algebra in their lives, his book will be rough going. But for readers who only need a refresher, the book is a wonder. One thing I really enjoyed early on are the subtle connections Carroll makes in physics and math, where he points to a deeper, hidden understanding of certain topics. My college professors were too obsessed with proofs and exercises to point these out.The book moves at a brisk pace but Carroll isn’t writing a text book, he follows a rather quirky path which makes each page interesting, if not fascinating, pages worth pondering and enjoying.There is one improvement I would suggest, expressing more concepts in terms of units. For me anyway, thinking about the units involved in a concept often leads to quicker understanding. For example, early on when he’s discussing oscillators, he uses the common symbol ω, the angular velocity. But he never seems to mention that ω is radians/second. Anyone who hasn’t studied much physics would have difficulty here.

Così si spiega la fisica!

G.P.A. · March 1, 2025

Il miglior testo 'divulgativo' che abbia mai letto, anche se definirlo divulgativo è riduttivo. Rispetto ai soliti, che lasciano sempre un po' insoddisfatti, una geniale analisi delle formule, che non richiede mai più dell'algebra di terza media, fa comprendere a fondo i concetti. Sarebbe ideale come testo per le scuole superiori o, meglio ancora, come supporto agli insegnanti.

A genial travel guide from flat space to black holes

A.R. · February 25, 2023

Sean Carroll is a genial master at making real physics accessible to non-specialists. This first volume in his Biggest Ideas series is aimed at any bright and motivated reader who can handle high-school mathematics. From classical Euclidean geometry through Galilean relativity and Newtonian mechanics to the neoclassical cosmology that peaks in Einstein’s cosmological equation, Carroll presents the real math behind the curved spacetime we now know we inhabit in such an honest and perceptive way that its meaning is clear.A confession: As a lazy reader who tends to skim over any math he can’t do in his head, I had never befriended tensor calculus, differential geometry, and the like to the level where I could quite get the hang of the various four-dimensional tensors that feature in Einstein’s equation. Most of the dazzling detail in Misner, Thorne, and Wheeler’s beautifully crafted blockbuster Gravitation was a closed book to me. But now, with Carroll’s brilliant new book as a primer, its thickets of Greek superscripts and subscripts make more sense.Carroll explains all the formulas in his story lucidly and transparently, so much so that the big ideas behind them shine through. His book is not about the math, but it does show how mathematics is the natural language to use when the ideas in play are as big as space, conservation, symmetry, mechanics, and gravity, and how those all fit together. If you want to understand our modern theory of the expanding universe from its hot Big Bang origin to its fate in a cold night of black holes at more than the mythic level, read Carroll.The book offers a dramatic narrative, with such heroic characters as Copernicus, Kepler, Newton, Leibniz, Laplace, Gauss, Hamilton, Riemann, Maxwell, Einstein, Minkowski, Hilbert, Schwarzschild, Penrose, Hawking, and many more to animate it. If any of these names mean something to you, and you like simple math, and you want to understand how Einstein’s glorious update of Newton’s law of gravitation really works, this is the book for you. Then follow it with Cox and Forshaw’s recent book on black holes.

Divulgación de alto nivel

L.R.C. · February 14, 2023

Sean Carroll es uno de los mejores divulgadores sobre cosmología y, en esta ocasión ha escrito un libro para todos aquellos que busquen un mayor entendimiento y comprensión de las bases físicas de los fenómenos descritos.Sin ser un libro académico per se, si que es necesario una base en cálculo para manejarse con el texto. Explica conceptos complicados de una manera simple y rigurosa para profundizar si el lector lo desea más adelante. Es un excelente libro de física.

Commentaire

G. · September 15, 2025

Très bon

Absolutely epic. Masterpiece.

S.K. · April 10, 2025

One of the best physics / astrophysics books I have ever read. Even for people who are scietifically inclined, getting a grasp of advanced maths and then applying it to real life physics is a far fetched idea. This book makes it easy to understand basics/ fundamentals of physics and how they are derived from fundamental calculus. Two of the most epic chapters in this book were the derivation of E=mc2 and the formula for General Relaitivy leading to the Schwardzchild's equation. Some hardcore maths and equations are made easier to understand.Absolutely epic. Masterpiece.

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5.0 out of 5 stars Great, educational read

A.H. · August 24, 2025

Great book, couldn’t put it down. Very educational but easy to read!

5.0 out of 5 stars A Huge Accomplishment in Scientific Explanation

N. · June 10, 2025

4.0 out of 5 stars Readable overview of some major ideas in classical mechanics and beyond

A.M. · June 22, 2024

5.0 out of 5 stars Advanced Explanations of Space, Time, and Motion

A.H. · January 12, 2025

5.0 out of 5 stars My kind of physics book

G. · January 28, 2023

Così si spiega la fisica!

G.P.A. · March 1, 2025

A genial travel guide from flat space to black holes

A.R. · February 25, 2023

Divulgación de alto nivel

L.R.C. · February 14, 2023

Commentaire

G. · September 15, 2025

Très bon

Absolutely epic. Masterpiece.

S.K. · April 10, 2025

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