What is *The Grand Design* by Stephen Hawking about?

*The Grand Design* explores fundamental questions about the universe’s origins, the nature of reality, and whether a divine creator is necessary. Stephen Hawking and Leonard Mlodinow present concepts like quantum theory, the multiverse, and M-theory—a potential “theory of everything”—arguing that spontaneous creation from quantum fluctuations explains cosmic existence without invoking a deity.

Who should read *The Grand Design*?

This book suits science enthusiasts, philosophy readers, and anyone curious about cosmology. It simplifies complex physics (e.g., quantum theory, string theory) for non-experts while challenging traditional views on creation. Fans of Hawking’s *A Brief History of Time* will appreciate its updated insights.

Is *The Grand Design* worth reading?

Yes—it condenses cutting-edge cosmology into accessible prose, sparking debate on science vs. religion. A *New York Times* bestseller, it clarifies quantum physics’ implications for reality and offers Hawking’s bold conclusion: “Spontaneous creation is the reason there is something rather than nothing”.

What are the main ideas in *The Grand Design*?

Key concepts include: - **Quantum multiverse**: Infinite universes with varying laws exist simultaneously. - **Top-down cosmology**: Observers shape history by measuring it, reversing cause-effect logic. - **M-theory**: A unified framework replacing string theory, potentially explaining all physical laws.

How does *The Grand Design* explain M-theory?

Hawking calls M-theory the leading candidate for a “theory of everything,” unifying Einstein’s relativity and quantum mechanics. It posits 11 dimensions and suggests our universe is one of many “branes” coexisting in higher-dimensional space.

What controversial statement does Hawking make about God?

Hawking writes, “It is not necessary to invoke God to light the blue touch paper and set the universe going.” He attributes cosmic origins to quantum physics’ laws rather than divine intervention.

How does *The Grand Design* address criticisms of its atheistic stance?

The book rejects philosophical arguments for a creator, asserting science alone explains existence. Critics like theologian William Lane Craig argue this ignores fine-tuning evidence, but Hawking counters with the multiverse’s probabilistic power.

What is the “multiverse” concept in the book?

Quantum theory predicts countless universes arising spontaneously from nothing, each with unique physical laws. Ours exists because its laws permit life—a “selection effect” eliminating incompatible universes from observation.

ホーキング、宇宙のすべてを語る

究極の問いに対する新たな答え

スティーヴン・ホーキング、レナード・ムロディナウ

4.06(76707 Reviews)

『ホーキング、宇宙のすべてを語る』の概要

スティーヴン・ホーキングによる物議を醸した傑作は、宇宙の誕生を説明するのは物理学のみであると主張し、創造における神の役割に異を唱えています。科学的な激論と宗教的な反発を巻き起こした、M理論を巡るこの驚異的な旅は、私たちに問いかけます。「もし、存在について私たちが知っていることすべてが根本的に間違っているとしたら？」

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第1章

The Universe's Greatest Mystery Unveiled

Have you ever gazed at the stars and wondered why we exist? You're not alone. Stephen Hawking's "The Grand Design" tackles humanity's most profound questions with remarkable clarity. This international bestseller, which topped charts in both the US and UK upon its 2010 release, represents Hawking's final attempt to explain the universe's greatest mysteries to non-scientists. The book caused considerable controversy in religious circles with its bold claim that God is unnecessary for creation. Even figures like Richard Dawkins praised its accessible approach to complex physics. What makes this work particularly fascinating is how Hawking, despite his deteriorating physical condition from ALS, continued pushing intellectual boundaries until his death in 2018. His collaboration with physicist Leonard Mlodinow resulted in a work that doesn't just explain science-it fundamentally challenges how we understand reality itself.

第2章

The Death of Philosophy and Birth of Scientific Inquiry

In Viking mythology, eclipses occurred when wolves caught the sun or moon. Such myths represented early humans' attempts to explain natural phenomena they couldn't understand. However, around 2,600 years ago, a remarkable transformation began in human thinking. Thales of Miletus proposed that nature follows consistent principles humans could decipher, setting humanity on a path to understand the universe through natural laws rather than divine intervention. This scientific approach emerged remarkably late in human history. While our species evolved around 200,000 BCE, written language appeared only around 7000 BCE, and classical Greek civilization-which birthed scientific thinking-flourished around 500 BCE. Thales reportedly predicted a solar eclipse in 585 BCE (though likely by fortunate guess), marking a tremendous milestone in rational thought. The Ionian intellectual tradition he founded reached conclusions surprisingly similar to our modern understanding. Anaximander suggested humans evolved from other animals-perhaps humanity's first evolutionary insight. Empedocles discovered air as a material substance through experiments. Democritus proposed everything consists of atoms moving according to what we now call inertia. Aristarchus claimed Earth orbits the sun-an idea that wouldn't be commonly accepted until Galileo, twenty centuries later. Unfortunately, this rational approach to understanding nature exerted influence for only a few centuries. Many Greek thinkers rejected these ideas because they seemed to leave no room for free will or divine intervention. Epicurus preferred myths about gods to being a "slave" to natural philosophy. Aristotle rejected atoms because he couldn't accept humans were composed of soulless objects. Ancient Greek ideas, though insightful, lacked the scientific method for experimental verification and confused human moral laws with physical laws. This confusion between physical and moral laws persisted for centuries. Thomas Aquinas used it to argue for God's existence, claiming inanimate bodies must be directed by an intelligent being. Even Kepler believed planets consciously followed movement laws. When Christian thinkers rejected both natural law and the idea that humans weren't privileged in the universe, scientific progress stalled for nearly two millennia.

聴きながら、すべての言葉を目で追えます

『ホーキング、宇宙のすべてを語る』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

Newton's Revolution and the Birth of Modern Science

Isaac Newton transformed our understanding of the universe with his three laws of motion and law of gravity, which explained planetary orbits and phenomena like tides. His equations remain fundamental to engineering and physics. As Alexander Pope wrote: "Nature and Nature's laws lay hid in night: God said, Let Newton be! and all was light." Modern scientists define a law of nature as a rule based on observed regularity that provides predictions beyond immediate observations. Scientific laws are typically mathematical, must hold without exception under specified conditions, and can be exact or approximate. This raises three fundamental questions: What is the origin of natural laws? Are there exceptions (miracles)? Is there only one possible set of laws? Historically, scientists like Kepler, Galileo, Descartes and Newton attributed laws to God, though this merely substitutes one mystery for another. While ancient Greek philosophers believed laws had no exceptions, biblical traditions allowed for divine intervention through miracles. Laplace formulated scientific determinism-the principle that given the universe's state at one time, laws fully determine both future and past, excluding miracles or divine intervention. When Napoleon asked about God's role, Laplace famously replied, "Sire, I have not needed that hypothesis." Scientific determinism creates tension with the concept of free will. Neuroscience increasingly supports the view that our physical brain, following established laws, determines our actions. Studies show electrical stimulation of specific brain regions can create desires to move or speak, suggesting free will may be illusory. Yet human behavior involves so many variables that prediction becomes practically impossible, leading us to adopt "effective theories" that assume free will while acknowledging their limitations. The third question-whether natural laws are unique or could have been different-has divided thinkers. Aristotle, Plato, Descartes and Einstein believed laws exist out of logical necessity. Before addressing these deeper questions, we must first consider what these laws actually describe-are they mathematical reflections of an external reality independent of observers, or is objective reality itself questionable?

第4章

Reality Through the Looking Glass

How do we know our perception of reality is accurate? Just as goldfish in curved bowls see a distorted world, humans might also have limited perspectives. Yet goldfish could still formulate valid scientific laws predicting object movements from their viewpoint, even if these laws appear more complex than ours. This illustrates model-dependent realism: there is no picture- or theory-independent concept of reality. A physical theory is simply a model with rules connecting it to observations. Classical science assumes objects have definite properties independent of observers, but quantum physics challenges this view-particles lack definite positions or velocities until measured, and some objects exist only as part of ensembles. Different theories can successfully describe the same phenomena through disparate frameworks. When two models both match observations, neither is "more real"-we simply use whichever is more convenient for the situation. Our perception isn't direct but filtered through our brains' interpretive structures. In vision, the brain receives incomplete signals through the optic nerve-a poorly pixelated image with a blind spot and only a narrow area of good resolution. The brain processes this data, combining input from both eyes, filling gaps, and creating a three-dimensional model from two-dimensional retinal data. Model-dependent realism helps address the meaning of existence. For subatomic particles like electrons and quarks that we can't directly see, their existence in our models explains observations and enables predictions. Though J.J. Thomson never "saw" an electron in 1897, the model proved crucial for science and engineering. Similarly, quarks provide an organizing principle that explains particle properties. A good scientific model should be elegant, contain few arbitrary elements, agree with existing observations, and make detailed predictions that can be falsified. Scientists often try to rescue failing theories through modifications, but when these become too baroque, it signals the need for a new model-as happened when Hubble's observations in 1929 revealed an expanding universe. Throughout history, our concepts of reality have changed with each new theory. Newton thought light consisted of particles, which explained straight-line travel but couldn't account for interference patterns. The wave theory explained these patterns through constructive and destructive interference. Later, Einstein showed light behaves as particles too-a duality foreign to everyday experience but consistent with model-dependent realism, where different theories accurately describe the same phenomenon. No single mathematical model can describe every aspect of the universe. Instead, we have M-theory-a network of theories where each works well within a certain range, and they agree where their ranges overlap.

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第5章

The Quantum Reality That Defies Common Sense

Quantum physics provides a framework for understanding nature at atomic and subatomic scales, dictating a conceptual schema where position, path, and even past and future aren't precisely determined-completely foreign to everyday experience. In 1999, Austrian physicists fired buckyball molecules (60-carbon soccer-ball-shaped molecules) toward a barrier with two slits. Unlike ordinary objects like soccer balls, where opening a second gap simply increases the number of balls passing through, the buckyballs created an interference pattern. Opening the second gap increased molecules at some points but decreased them at others-places where waves from the two slits destructively interfered. While light's wave nature has been accepted for centuries since Young's experiment, quantum physics reveals that even individual particles exhibit wave behavior. When photons or electrons are fired one at a time through a double-slit apparatus, they gradually build up the same interference pattern as a continuous beam-showing that individual particles somehow interfere with themselves. Formulated by Heisenberg in 1926, the uncertainty principle establishes fundamental limits to measurement precision. When you multiply the uncertainty in a particle's position by the uncertainty in its momentum, the result can never be smaller than Planck's constant. This means the more precisely you measure position, the less precisely you can know velocity. For macroscopic objects like soccer balls, this effect is negligible, but for electrons, pinpointing position to atomic scale means velocity can only be known within about 1,000 kilometers per second. Quantum physics reveals that nature determines outcomes through fundamentally uncertain processes. Rather than dictating results with certainty, nature allows multiple possibilities, each with specific likelihoods. This bothered Einstein, who helped develop quantum theory but later criticized it. Despite its probabilistic nature, quantum physics remains testable by confirming that outcome frequencies match predicted probabilities across many experiments. Feynman revolutionized quantum understanding by proposing that particles don't take a single path between points but rather take every possible path simultaneously. In the double-slit experiment, particles acquire information about both slits because they travel through all possible routes-through either slit, back and forth between slits, even paths spanning the universe. Each path contributes a "phase," and adding these phases produces the probability amplitude for finding the particle at a given location. Quantum physics establishes that observation inevitably alters a system. In the double-slit experiment, shining light to determine which slit particles pass through destroys the interference pattern. Unlike in Newtonian physics where the past exists as definite events, quantum physics reveals that unobserved past events exist only as a spectrum of possibilities. The universe, according to quantum theory, has no single history or past, but rather a range of possible histories.

第6章

The Four Fundamental Forces

The universe follows scientific laws that can be modeled mathematically. Newton's law of gravity was the first such mathematical description, showing that the universe's behavior could be accurately modeled. This revolutionary concept raised theological questions, as biblical miracles like Joshua stopping the sun would have catastrophic physical consequences according to these laws. Electric and magnetic forces were the next phenomena to be scientifically modeled. Though stronger than gravity, these forces aren't as noticeable in everyday life because positive and negative charges in macroscopic bodies nearly cancel out. The connection between electricity and magnetism was discovered accidentally by Hans Christian rsted in 1820 when he noticed electric current deflecting a compass needle. Michael Faraday later demonstrated that magnetic fields could produce electric currents and discovered connections between electromagnetism and light. His greatest conceptual contribution was the idea of force fields-invisible structures filling space that physically transmit forces between objects. James Clerk Maxwell transformed Faraday's concepts into a mathematical framework in the 1860s, unifying electricity and magnetism as manifestations of a single electromagnetic field. His equations showed these fields could propagate through space as waves traveling at a speed that matched the measured speed of light-revealing light itself as an electromagnetic wave. Maxwell's equations govern all electromagnetic phenomena from household appliances to computers and describe all electromagnetic waves including radio waves, microwaves, and X-rays. In 1905, twenty-six-year-old patent clerk Albert Einstein published his revolutionary paper assuming the laws of physics and light's speed should appear identical to all uniformly moving observers. This simple premise demanded a revolution in our concept of space and time. Einstein's work revealed that time cannot be treated separately from the three dimensions of space. Instead, they're intertwined in what physicists call "space-time," with time functioning as a fourth dimension. Einstein's general relativity transformed gravity from a Newtonian force into a consequence of mass distorting space-time. On curved surfaces like Earth, the shortest distance between points follows geodesics rather than straight lines. Similarly, in curved space-time, objects follow geodesics that appear as bent paths, giving the impression of gravitational force. While Maxwell's electromagnetism and Einstein's general relativity revolutionized physics, both remain classical theories describing a universe with a single history. At atomic levels, quantum theories are needed where the universe can have any possible history with associated probabilities. The four fundamental forces are gravity (weakest but long-range), electromagnetism (stronger but acts only on charged particles), weak nuclear force (causes radioactivity), and strong nuclear force (holds atomic nuclei together). Richard Feynman developed a powerful graphical method for visualizing quantum interactions that became one of modern physics' most important tools. Feynman diagrams represent possible histories of particle interactions, with solid lines showing matter particles like electrons and wavy lines showing force-carrying particles like photons.

聴きながら、すべての言葉を目で追えます

『ホーキング、宇宙のすべてを語る』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

The Quest for a Theory of Everything

The division of natural forces into four classes is likely artificial, driving physicists to seek a unified theory of everything. Early success came when Abdus Salam and Steven Weinberg independently unified electromagnetism with the weak force into the electroweak force in 1967, solving the problem of infinities and predicting three new particles later discovered. The strong force is described by quantum chromodynamics (QCD), which explains how quarks combine to form particles like protons and neutrons through their "color" properties. While the standard model successfully combines electroweak theory with QCD, it fails to include gravity and doesn't truly unify all forces. Quantum gravity has proven especially challenging because the uncertainty principle creates "vacuum fluctuations"-virtual particles appearing and disappearing-that would theoretically curve the universe to an infinitely small size according to general relativity. In 1976, supergravity emerged as a potential solution to quantum gravity's infinities. Based on supersymmetry-a profound symmetry suggesting that force and matter particles are different aspects of the same thing-it proposed that every matter particle has a force particle partner and vice versa. This partnership could solve the infinity problem because force particles produce positive infinities while matter particles produce negative ones, potentially canceling each other out. String theory proposes that particles aren't points but tiny vibrating strings with length but no width or height. It requires ten dimensions of space-time, with six dimensions curled up into spaces too small to notice. Initially, physicists were embarrassed by having five different string theories and countless ways to curl the extra dimensions. Around 1994, they discovered these were just different descriptions of the same phenomena, leading to M-theory. M-theory operates in eleven dimensions and includes not just strings but also point particles, membranes, and other objects called p-branes. The shape of its curled dimensions determines physical constants and particle interactions-essentially creating the apparent laws of nature. Remarkably, M-theory allows for approximately 10^500 different possible universes, each with different laws, suggesting that the physicist's dream of finding a single unique theory explaining our universe may need to be abandoned.

第8章

The Birth of Our Universe

Creation myths across cultures have attempted to answer why the universe exists and why it is the way it is. While ancient stories offered supernatural explanations, our scientific understanding has grown tremendously. Evidence suggests humans are recent arrivals in cosmic history. The first scientific evidence of the universe's beginning came in the 1920s when Edwin Hubble observed galaxies moving away from us, with more distant ones receding faster. This indicated an expanding universe that must have been smaller in the past, leading to the big bang theory. While we can visualize a two-dimensional surface curved in a third dimension, our universe's space-time warpage is harder to imagine. Yet curvature can be detected from within the space itself, just as a micro-ant confined to a table could detect warpage by measuring distances. In flat space, a circle's circumference is always times its diameter, but on curved surfaces, this ratio changes. In the early universe, when quantum theory and general relativity both applied, there were effectively four dimensions of space and none of time. This means that when we speak of the "beginning" of the universe, time as we know it didn't exist. Just as the South Pole is simply a point on Earth with nothing "south" of it, the beginning of the universe represents a boundary condition, not a moment requiring a creator to set it in motion. This "no-boundary condition" removes the age-old objection to the universe having a beginning while showing it could be governed entirely by scientific laws. If the universe's origin was a quantum event, Feynman's sum over histories applies-the universe appeared spontaneously, starting in every possible way. Most possibilities correspond to other universes with different physical laws-the multiverse concept. Like bubbles forming in boiling water, many tiny universe-bubbles appear and disappear, while a few grow large enough to avoid recollapse. We are literally the product of quantum fluctuations in the very early universe. Traditional "bottom-up" cosmology assumes the universe has a single definite history that can be calculated from initial conditions. But quantum mechanics requires a "top-down" approach where we trace histories backward from the present. This means we create history by our observation, rather than history creating us. The apparent laws of nature depend on the universe's history, not vice versa. According to M-theory, space-time has ten space dimensions and one time dimension, with seven dimensions curled up so small we don't notice them. Top-down cosmology suggests there's no fundamental reason why exactly three dimensions expanded-there are probability amplitudes for every possibility from zero to ten large dimensions.

『ホーキング、宇宙のすべてを語る』をもっと深く楽しむ

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第9章

The Goldilocks Universe

Our universe possesses remarkably specific conditions that allow for our existence. Multiple-star systems would create unstable conditions unsuitable for life. Even in binary systems, which comprise half of all stars, planets would experience extreme temperature variations. Our solar system has several "lucky" properties: Earth's nearly circular orbit prevents extreme seasonal variations, and our sun's mass is precisely right-just 20% more or less would make Earth uninhabitable. Newton believed our habitable solar system was divine design, but we now know planets of all sorts exist among billions of stars. The weak anthropic principle explains that our very existence restricts where and when we can observe the universe-we necessarily find ourselves in environments that support life. This principle can make scientific predictions, like the universe's age. While the weak anthropic principle concerns our environment, the stronger version suggests our existence constrains the very laws of nature themselves. For life to evolve, the universe needed precise conditions: forces allowing heavy elements to form in stars, tiny primordial density variations, stars that eventually explode to disperse these elements, and laws permitting their recondensation into new planetary systems. Fred Hoyle recognized in the 1950s that carbon-essential for organic life-required remarkable cosmic serendipity. Computer models now show that minuscule changes in fundamental forces would eliminate either carbon or oxygen, making life impossible. A change of just 0.5 percent in the strong nuclear force or 4 percent in the electric force would destroy the possibility of life as we know it. The most impressive fine-tuning involves the cosmological constant in Einstein's equations of general relativity. Quantum mechanical calculations of the cosmological constant's value are about 120 orders of magnitude stronger than the actual observed value. This extraordinary discrepancy means either our calculations are wrong or some effect miraculously cancels almost all of this force. The remarkable fine-tuning of physical laws raises profound questions about why our universe appears tailor-made for life. Many cultures throughout history have attributed this apparent design to divine creation. However, modern science offers an alternative explanation: the multiverse concept. Just as environmental coincidences in our solar system seem unremarkable when we realize billions of solar systems exist, the fine-tuning of physical laws can be explained by the existence of multiple universes without requiring a creator.

第10章

Something from Nothing: The Ultimate Answer

Scientific determinism emerged-the idea that complete laws must govern universal development without exceptions or miracles. While these laws tell us how the universe behaves, they don't answer the fundamental questions of why there is something rather than nothing, why we exist, or why these particular laws exist. Some claim God as the answer, but this merely shifts the question to who created God. According to model-dependent realism, our brains interpret sensory input by creating models of the outside world. These mental concepts are the only reality we can know, with no model-independent test of reality. A well-constructed model creates its own reality. The Game of Life, invented by mathematician John Conway, illustrates this concept. Though not actually a game, it's a set of deterministic laws governing a two-dimensional universe where each square is either alive or dead. These simple rules create complex behaviors: blinkers that oscillate, still-life blocks that remain unchanged, and gliders that move diagonally across the grid. In Conway's Game of Life, as in our world, self-reproducing patterns are incredibly complex. These complex systems raise questions about self-awareness and free will. How can we tell if a being has free will? For any sufficiently complex being, predicting its actions would be computationally impossible, meaning we must effectively treat it as having free will regardless of whether it's fundamentally deterministic. The laws of our universe determine evolution given any initial state. Our physical laws require energy to be conserved, with empty space having zero energy and isolated bodies having positive energy. This prevents objects from spontaneously appearing everywhere. However, gravity's negative energy balances the positive energy of matter, allowing whole universes to appear from nothing. Spontaneous creation explains why there is something rather than nothing-why the universe exists, why we exist-without requiring divine intervention. Why do the fundamental laws exist as they do? The ultimate theory must be consistent and predict finite results for measurable quantities. M-theory, being the most general supersymmetric theory of gravity, stands as the only candidate for a complete theory of the universe. If proven finite, it will represent a universe that creates itself-and we must be part of this universe because no other consistent model exists. M-theory represents the unified theory Einstein sought. Our ability to understand these laws governing our universe is a triumph of human intellect. The true miracle is that abstract logical considerations lead to a unique theory predicting and describing our vast, varied universe. If confirmed by observation, M-theory would successfully conclude a 3,000-year search, revealing the grand design of our cosmos.

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『ホーキング、宇宙のすべてを語る』の主要テーマ

model-dependent realism
scientific determinism
m-theory
multiverse theory
quantum cosmology

『ホーキング、宇宙のすべてを語る』の名言

God is unnecessary for creation.
Free will may be illusory.
Reality itself questionable?
Scientists often try to rescue failing theories.
There is no picture- or theory-independent concept of reality.

『ホーキング、宇宙のすべてを語る』の登場人物

Stephen HawkingAuthor and physicist exploring universe mysteries
Leonard MlodinowPhysicist and co-author of the book
Thales of MiletusEarly philosopher who proposed natural principles
LaplaceScientist who formulated scientific determinism

著者について

スティーヴン・ホーキング（1942–2018）とレナード・ムロディナウは、ベストセラー科学書『ザ・グランド・デザイン（邦題：ホーキング、自らを語る）』の共著者であり、宇宙論に対する一般の理解に革命をもたらした著名な物理学者です。ブラックホールや量子重力の研究で有名なケンブリッジ大学の宇宙論学者であるホーキングは、存在に関する究極の問いの探求に、数十年にわたる画期的な研究成果をもたらしました。

カリフォルニア工科大学で学んだ物理学者であり、受賞歴のあるサイエンス・コミュニケーターでもあるムロディナウは、複雑な概念を凝縮して伝える才能でホーキングのビジョンを補完しました。二人は、M理論やマルチバース（多重宇宙）の概念の分析を通じて、神による創造という従来の観点に挑戦しました。

ホーキングは以前にも、2,500万部以上を売り上げた象徴的な著書『ホーキング、宇宙を語る』を基にした『ホーキング、さらに明快に答える』をムロディナウと共著しています。『ビッグバン★セオリー』や『スタートレック』への出演でも知られるホーキングは、科学界で最も有名な公的人物となりました。

ムロディナウはTwitterやInstagram（@lmlodinow）で積極的に活動しており、物理学や創造性に関する洞察を共有しています。『ザ・グランド・デザイン』はAmazonでベストセラー1位を記録し、35以上の言語に翻訳されました。そして、神学的な枠組みなしに宇宙の起源を説明する科学の能力をめぐる議論において、今なお極めて重要な役割を果たし続けています。

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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第6章

ホーキング、宇宙のすべてを語る

概要『ホーキング、宇宙のすべてを語る』の概要

1冊の本。さまざまな聴き方。

The Universe's Greatest Mystery Unveiled

The Death of Philosophy and Birth of Scientific Inquiry

聴きながら、すべての言葉を目で追えます

Newton's Revolution and the Birth of Modern Science

Reality Through the Looking Glass

『ホーキング、宇宙のすべてを語る』をもっと深く楽しむ

The Quantum Reality That Defies Common Sense

The Four Fundamental Forces

聴きながら、すべての言葉を目で追えます

The Quest for a Theory of Everything

The Birth of Our Universe

『ホーキング、宇宙のすべてを語る』をもっと深く楽しむ

The Goldilocks Universe

Something from Nothing: The Ultimate Answer

『ホーキング、宇宙のすべてを語る』を最後まで読み終えました

『ホーキング、宇宙のすべてを語る』の主要テーマ

『ホーキング、宇宙のすべてを語る』の名言

『ホーキング、宇宙のすべてを語る』の登場人物

著者について

ホーキング、宇宙のすべてを語るの要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is The Grand Design by Stephen Hawking about?

Who should read The Grand Design?

Is The Grand Design worth reading?

What are the main ideas in The Grand Design?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Universe's Greatest Mystery Unveiled

The Death of Philosophy and Birth of Scientific Inquiry

聴きながら、すべての言葉を目で追えます

Newton's Revolution and the Birth of Modern Science

Reality Through the Looking Glass

『ホーキング、宇宙のすべてを語る』をもっと深く楽しむ

The Quantum Reality That Defies Common Sense

The Four Fundamental Forces

聴きながら、すべての言葉を目で追えます

The Quest for a Theory of Everything

The Birth of Our Universe

『ホーキング、宇宙のすべてを語る』をもっと深く楽しむ

The Goldilocks Universe

Something from Nothing: The Ultimate Answer

『ホーキング、宇宙のすべてを語る』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『ホーキング、宇宙のすべてを語る』の概要