What is *The Black Hole War* by Leonard Susskind about?

*The Black Hole War* chronicles Leonard Susskind’s decades-long scientific debate with Stephen Hawking over whether information is destroyed in black holes. Susskind argues that quantum mechanics requires information conservation, ultimately leading to the holographic principle—the idea that our 3D universe is a projection from a 2D boundary. The book culminates in Hawking conceding his initial claim, resolving one of modern physics’ most contentious paradoxes.

Who should read *The Black Hole War*?

This book is ideal for readers interested in theoretical physics, quantum mechanics, or cosmology. Science enthusiasts with basic physics knowledge will appreciate its accessible explanations of black holes and string theory, while students and academics may value its firsthand account of a pivotal scientific debate. Fans of Hawking’s work or Susskind’s *The Cosmic Landscape* will find it particularly engaging.

Is *The Black Hole War* worth reading?

Yes—it combines cutting-edge physics with narrative drama, making complex concepts like the holographic principle engaging for non-specialists. Critics praise Susskind’s ability to humanize scientific rivalry while clarifying high-stakes theoretical conflicts. The resolution of the black hole information paradox remains foundational to modern physics, ensuring the book’s relevance.

What is the black hole information paradox?

The paradox arises from Hawking’s 1970s claim that black holes destroy information, violating quantum mechanics’ core tenet of information conservation. Susskind and Gerard ’t Hooft countered that information is encoded on a black hole’s event horizon, preserved in Hawking radiation—a solution formalized as the holographic principle.

How did Leonard Susskind contribute to the Black Hole War?

Susskind co-developed the holographic principle, proving information isn’t lost in black holes but stored on their boundaries. He mobilized the physics community to defend quantum mechanics against Hawking’s claims, eventually compelling Hawking to retract his position in 2004. The conflict reshaped modern understanding of spacetime and quantum gravity.

What is the holographic principle in *The Black Hole War*?

Proposed by ’t Hooft and refined by Susskind, this principle asserts that all information within a region of space can be represented as a hologram on its boundary. It resolved the black hole paradox by showing information escapes via Hawking radiation, preserved on the event horizon. This idea became a cornerstone of string theory and quantum gravity research.

Did Stephen Hawking admit he was wrong in *The Black Hole War*?

Yes—Hawking publicly conceded in 2004 that information isn’t destroyed in black holes, paying off a bet with Susskind and validating quantum mechanics. His reversal marked a watershed moment in theoretical physics, cementing the holographic principle’s significance.

How does *The Black Hole War* explain black hole evaporation?

Hawking proposed black holes emit radiation (now called Hawking radiation) and gradually evaporate. Susskind shows this process doesn’t destroy information; instead, it’s encoded in radiation patterns via quantum entanglement, preserving the universe’s informational fabric.

ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い

レオナルド・サスキンド

4.13(11378 Reviews)

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の概要

物理学者のレオナード・サスキンドがスティーヴン・ホーキングのブラックホール理論に異を唱えたとき、数十年にわたる科学的論争に火がつきました。量子力学対相対性理論というこのスリリングな物語はジェイソン・ファーマンを魅了し、複雑な科学をたまらなく親しみやすいものにした「最高のポピュラーサイエンス本の一つ」と彼に言わしめました。

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ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘いの同じアイデアを、あなたに合う声・深さ・ペースで学べます。いつでも切り替えられます。

第1章

When Genius Collides: A Battle for Reality's Soul

The greatest scientific battles aren't fought with weapons but with ideas. In the quiet corners of university departments and at prestigious conferences, a war raged for nearly three decades that would fundamentally reshape our understanding of reality itself. Leonard Susskind's "The Black Hole War" chronicles this intellectual struggle between two titans of physics-Stephen Hawking and a resistance led by Susskind and Gerard 't Hooft-over a seemingly abstract question: What happens to information that falls into a black hole? Far from academic trivia, this question threatened the very foundations of physics, potentially invalidating quantum mechanics itself. The book has achieved cult status among science enthusiasts and physicists alike, with Neil deGrasse Tyson calling it "a mind-bending trip through cutting-edge physics." Even Bill Gates included it in his list of "Books that made me think differently," praising how Susskind makes complex ideas accessible without sacrificing depth. What makes this scientific memoir particularly compelling is how Susskind transforms abstract theoretical physics into a gripping narrative of human determination, intellectual courage, and the relentless pursuit of truth.

第2章

Physics in Our Bones: The Intuitive and the Impossible

Evolution has hardwired basic physics concepts into all complex life forms. Without this preprogrammed "physics software," survival would be impossible. A lion instinctively calculates relative velocities when chasing prey, knowing precisely when to abandon a pursuit that will fail. Our large brains have allowed these instincts to evolve into conscious concepts-we intuitively grasp force, velocity, and acceleration. Robert Heinlein called this visceral understanding "grok." But our built-in "groker" fails spectacularly when confronting quantum phenomena or ten-dimensional space-time. The twentieth century brought a wholesale breakdown of intuition as physics ventured into unfamiliar realms. No evolutionary pressure could have prepared us for these discoveries, yet something in our neural networks allows us to rewire ourselves to comprehend these abstract concepts. Einstein wasn't born with an intuitive grasp of relativity-he struggled for a decade to replace his Newtonian wiring with Special Relativity's four-dimensional space-time perspective, then another decade to develop General Relativity, where space-time became flexible and curved. Similarly, quantum mechanics required abandoning classical logic itself. By the early 1950s, Special Relativity and Quantum Mechanics had been reconciled in Quantum Field Theory, but General Relativity and Quantum Mechanics remained irreconcilable. Many physicists considered pursuing a unified theory worthless, but others found the idea of two contradictory theories intellectually intolerable. The Black Hole War emerged from this tension-a battle over whether information thrown into a black hole would be irretrievably lost, threatening the conservation of information, a fundamental law of physics.

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『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』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

Into the Abyss: Understanding Black Holes

The concept of black holes dates back to the late eighteenth century when Pierre-Simon de Laplace and John Michell independently wondered if stars could be so massive and dense that light couldn't escape their gravitational pull. Following Newton's corpuscular theory of light, they reasoned such stars would be completely dark and invisible. The escape velocity from any astronomical body depends on both its mass and radius. While Earth's escape velocity is about 25,000 miles per hour (a mere fraction of light speed), compressing an object increases its escape velocity. Our sun will eventually collapse to a white dwarf with an escape velocity of about 2% light speed. Stars 1.5 times more massive become neutron stars with escape velocities approaching 80% of light speed. But stars beyond five solar masses collapse past the neutron star stage into singularities-points of almost infinite density with escape velocities exceeding light speed, creating true black holes. The horizon-an imaginary sphere with radius proportional to the black hole's mass (called the Schwarzschild radius)-divides space into regions from which light can and cannot escape. For our sun, this would be about two miles; for supermassive black holes at galactic centers, it can be hundreds of millions of miles. Approaching a black hole would subject you to increasingly violent tidal forces. These arise from non-uniform gravitational fields-the same principle that creates ocean tides on Earth. Near a black hole, these forces become catastrophic. Well before reaching the horizon of a solar-mass black hole, a person would be painfully stretched and ultimately deformed like toothpaste being squeezed from a tube. Bill Unruh's drain hole analogy brilliantly illustrates black hole physics: imagine blind pollywogs in an infinite shallow lake with a central drain. Far from the drain, water moves imperceptibly; closer in, it accelerates until reaching the speed of sound at a critical radius-the point of no return. A pollywog named Alice drifting toward this point notices nothing unusual as she crosses it, while her friend Bob, listening from afar, hears her voice deepen through Doppler shift, slowing almost to a halt. Similarly, an astronaut falling toward a black hole would pass the horizon normally in her reference frame, while observers outside would see her redshifted and seemingly frozen at the horizon's edge.

第4章

Beyond Euclid: Space-Time as a Curved Canvas

Einstein's General Theory of Relativity grew from a simple thought experiment: an observer in an elevator. In free space, weightlessness prevails. But when accelerated upward, passengers feel pushed to the floor exactly as if under gravity's influence. This Equivalence Principle asserts there's absolutely no difference between gravity's effects and acceleration's effects-no experiment inside the elevator could distinguish between them. While Euclid established rules for flat surfaces, mathematicians like Gauss, Bolyai, Lobachevski, and Riemann developed alternative geometries. On curved surfaces like spheres, traditional rules break down. The shortest paths between points (geodesics) become great circles rather than straight lines, and triangles' angles sum to more than 180 degrees on positively curved surfaces like spheres, and less than 180 degrees on negatively curved surfaces like saddles. Einstein was the first to seriously apply these mathematical concepts to physical reality, proposing that the geometry of space-time itself could be experimentally determined rather than philosophically assumed. He expanded Minkowski's idea of four-dimensional space-time by conceiving it not as flat but as curved and variable. Rather than a flat plane, Einstein imagined space-time as a warped surface with bulges and bumps. Einstein's laws of motion are remarkably simpler than Newton's. Where Newton required multiple principles, Einstein offered one elegant principle: particles always move along geodesics, the straightest possible paths through curved space-time. This explains gravitational force not as a mysterious action at a distance but as the effect of space-time curvature. As John Wheeler famously summarized: "Space tells bodies how to move and bodies tell space how to curve." One-way time travel to the future is theoretically possible using black holes. By suspending yourself on a cable near a black hole's horizon (without crossing it), you could experience time passing much more slowly than distant observers. A year spent near a sufficiently large black hole might correspond to a thousand years elsewhere. This works because black holes strongly distort space-time geometry, causing "gravitational red shift"-the slowing of all clocks near massive objects.

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
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第5章

Quantum Conundrums: When Certainty Dissolves

Welcome to the bewildering realm of Quantum Mechanics, where certainty dissolves and conventional understanding fails. The nature of light presents a fundamental paradox. Newton believed light consisted of particles, but by 1865, James Clerk Maxwell had convincingly demonstrated that light behaves as electromagnetic waves. Einstein later showed that in extremely dim conditions, light behaves as discrete particles called photons, arriving one at a time like intermittent bullets. When these random point-flashes accumulate, they mysteriously form wave-like patterns. The answer to whether light is particles or waves depends on the experiment-it's both, in what Niels Bohr called complementary aspects. This duality extends throughout quantum physics. Heisenberg's Uncertainty Principle states that no experiment can ever simultaneously measure both position and velocity precisely. Unlike limitations of technology, this principle is mathematically exact: as position uncertainty decreases, velocity uncertainty must increase. For electrons, the small mass makes quantum uncertainty significant, while for everyday objects like cars, the enormous mass makes both uncertainties imperceptibly small. This explains why our brains weren't wired to comprehend quantum uncertainty-in ordinary life, we never encounter objects light enough for it to matter. Even at absolute zero temperature, atoms cannot completely stop moving due to the Uncertainty Principle. This residual motion in the ground state, called "zero point motion" or "quantum jitters," means particles continue bouncing and exerting pressure even when drained of all thermal energy. The two-slit experiment reveals the strangest aspect of quantum mechanics: interference. When only one slit is open, photons create a featureless blob pattern on the screen. Surprisingly, opening both slits doesn't simply combine these patterns but creates zebra stripes with dark areas where no photons arrive-even in locations that received photons when only one slit was open. Einstein's declaration that "God does not play dice" reflected his deep discomfort with the fundamental unpredictability Quantum Mechanics introduced to physics. He wasn't bothered by ordinary randomness from complexity (like coin tosses affected by countless variables), but by quantum randomness that exists even with perfect knowledge. Information conservation is perhaps even more fundamental than energy conservation. It implies perfect bidirectional predictability-knowing the present lets you determine both future and past with absolute certainty. While any randomness would seemingly destroy this conservation, quantum mechanics preserves it in a subtle way. When reversing a quantum system (like a photon passing through a hole), the system returns to its original state only if we don't observe it midway. This mathematical reversibility (unitarity) is critical to quantum theory's consistency, which is why Hawking's claim that "information that falls into a black hole is lost information" threatened the entire foundation of physics.

第6章

The First Shot: When Titans Clash

The first battle in the Black Hole War took place in Werner Erhard's San Francisco mansion attic in 1983. Hawking, a general relativist, trusted in Einstein's Equivalence Principle, while 't Hooft and Susskind, as quantum physicists, were certain that violating Quantum Mechanics would destroy physics' foundations. In 1976, Stephen Hawking had suggested information thrown into a black hole would be irretrievably lost-threatening the conservation of information, a fundamental law of physics. This wasn't merely information being hidden-it was being irreversibly obliterated from the universe, putting fundamental laws of physics at risk. Back at Stanford, Susskind told his friend Tom Banks about Stephen's claim. Together with Michael Peskin, they calculated that if Hawking was right, empty space would heat up to a thousand billion billion billion degrees in a tiny fraction of a second-an absurd conclusion that suggested Hawking must be wrong. The Black Hole War wasn't just an argument between physicists-it was a war between fundamental principles. Quantum Mechanics and General Relativity seemed inherently opposed. Though convinced Hawking was wrong, Susskind couldn't identify the flaw in his reasoning. Various alternatives were proposed. Some physicists suggested black holes simply don't evaporate, but Hawking's calculations of quantum fluctuations near horizons were compelling. Others proposed that evaporating black holes might stop at Planck mass, leaving tiny remnants containing all the information that fell in. This idea was popular but problematic-such remnants would need infinite entropy to store unlimited information. The "bathtub option," though dismissed by most black hole experts as "missing the point," made the most sense to Susskind. Like ink drops dissolving in a bathtub of water that eventually evaporates, information that falls into a black hole should emerge in the Hawking radiation. Though scrambled beyond practical recovery, the information wouldn't be destroyed but carried away in the particles of radiation. But how could information escape if the horizon truly is a point of no return? This paradox seemed irreconcilable: General Relativity and the Equivalence Principle suggest information sails uninterrupted through the horizon, while Quantum Mechanics indicates bits return as scrambled radiation.

聴きながら、すべての言葉を目で追えます

第7章

Heat, Light, and Information: The Thermodynamics of Black Holes

In 1972, Princeton graduate student Jacob Bekenstein was exploring the relationship between thermodynamics and black holes under John Wheeler's guidance. Wheeler's saying that "black holes have no hair" meant these objects were perfectly smooth and featureless-seemingly devoid of information. Bekenstein's brilliant insight came from asking how a black hole's size changes when a single bit of information falls in. He used a photon with wavelength equal to the black hole's Schwarzschild radius to represent one bit, ensuring maximum uncertainty about its location. Through elegant calculations combining quantum mechanics and relativity, he discovered something profound: adding one bit increases a black hole's horizon area by precisely one square Planck unit, regardless of the black hole's size. This remarkable relationship led to his revolutionary conclusion: the entropy of a black hole, measured in bits, is proportional to the area of its horizon measured in Planck units. Information equals area. This suggests the horizon is somehow covered with incompressible bits, like coins on a table-yet nothing physically exists at the horizon according to Einstein's principles. In winter 1974, Susskind stumbled into a lecture by Dennis Sciama about his Cambridge student's revolutionary work on black holes. The blackboard displayed a single equation containing fundamental constants: Newton's G, the speed of light c, Planck's constant h, and surprisingly, Boltzmann's constant k. This equation described something completely unexpected-the temperature of a black hole. The formula revealed that black holes aren't infinitely cold dead objects, but possess temperature inversely proportional to their mass. Most shockingly, black holes evaporate through heat radiation, gradually disappearing rather than lasting forever as physicists had believed. Initially, Hawking rejected Bekenstein's assertion that black holes have entropy, since entropy implies ignorance of microscopic structure, while black holes seemed uniquely defined by mass and angular momentum. But Hawking reconsidered when he realized Bekenstein had inadvertently calculated black hole temperature. Using sophisticated Quantum Field Theory, Hawking proved black holes radiate energy. This theory describes how electromagnetic fields experience quantum jitters even in empty space-violent but undetectable vacuum fluctuations. Near a black hole horizon, what Alice falling into a black hole experiences as quantum fluctuations, Bob hovering outside experiences as thermal radiation. Hawking calculated that this disturbance produces "Hawking radiation," with temperature inversely proportional to the black hole's mass. A stellar black hole would have a temperature of just billionths of a degree above absolute zero, but as it evaporates and shrinks, it would grow hotter, eventually reaching billions of degrees.

第8章

The Dutch Resistance: Standing Firm on Quantum Principles

Gerard 't Hooft fought the Black Hole War under the banner of the S-matrix-the mathematical framework describing particle collisions. Taking the long view of a stellar system's history-from gas cloud to star to black hole to evaporation-'t Hooft saw this entire process as fundamentally no different from any particle collision. The S-matrix, with its critical property of reversibility, ensures information is never lost. While Hawking claimed black holes destroyed information and invented the "$-matrix" (Dollar-matrix) to replace the S-matrix, 't Hooft's faith in quantum mechanics remained unshakable. Why obsess over black hole information when Hawking radiation will never be observed or have practical applications? The answer is simple: physicists are driven by curiosity and the need to resolve paradoxes between fundamental principles. Like Galileo reconciling terrestrial and celestial physics, Newton unifying gravity's action on apples and planets, or Boltzmann resolving the contradiction between entropy and reversible mechanics, the black hole information paradox represents a fundamental clash that demands resolution. True scientific progress often comes not from practical applications but from scratching the unbearable itch of paradox. The contradiction between the Equivalence Principle and Quantum Mechanics represented not just a problem but an opportunity to match the achievements of physics' greatest minds.

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
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第9章

Complementarity: A Revolutionary Solution

In 1993, Susskind meets with colleagues Larus Thorlacius and John Uglum at Stanford to prepare for an upcoming black hole conference at UC Santa Barbara. Rather than discussing technical details, Susskind proposes they develop a bold new concept to "shake things up." This becomes "Black Hole Complementarity"-the radical notion that seemingly contradictory descriptions of black hole physics can simultaneously be true. Susskind proposes two fundamental postulates: (1) To outside observers, the black hole's "stretched horizon" appears as a hot layer of "horizonatoms" that absorbs, scrambles and eventually emits all information as Hawking radiation; (2) To freely falling observers, the horizon is empty space with nothing special happening until they approach the singularity much later. When his colleague questions this logical impossibility, Susskind makes an offhand joke about the horizon being like a hologram-a remark whose significance he doesn't yet fully appreciate. He explains that physics is about experimental data, not mental pictures, and that a genuine contradiction only occurs when experiments yield contradictory results. Since observers inside and outside the horizon can never compare notes, no real contradiction exists. Susskind draws parallels to Niels Bohr's concept of complementarity in quantum mechanics. Bohr resolved apparent contradictions by replacing "and" with "or"-light is waves OR particles depending on the experiment, never both simultaneously. Similarly, particles have position OR velocity, but never both precisely determined at once. At the 1993 Santa Barbara conference, Susskind delivered his provocative talk on Black Hole Complementarity, beginning with: "I don't care if you agree with what I say. I only want you to remember that I said it." The relativists thought he'd "lost his marbles," though 't Hooft understood but wanted it explained differently.

第10章

The Holographic Universe: Reality's Surprising Structure

After England, Susskind visits Gerard 't Hooft in Utrecht, Holland. During workweek discussions, 't Hooft surprises Susskind by suggesting that the Planck-sized details on his office walls theoretically contain all information about the room's interior-essentially describing a holographic principle without using that term. While we typically assume three-dimensional information requires three-dimensional storage (voxels), holograms defy this intuition. Discovered by Dennis Gabor in 1947, holograms store three-dimensional information on two-dimensional surfaces through scrambled interference patterns that, when properly illuminated, reconstruct realistic three-dimensional images. This concept forms the foundation of the Holographic Principle: everything in a three-dimensional region can be described by information on its two-dimensional boundary, with each Planck-sized pixel holding one bit of information. In 1997, Juan Maldacena made the extraordinary claim that two seemingly dissimilar mathematical worlds are exactly equivalent: a (3+1)-dimensional anti de Sitter space with gravity and a (2+1)-dimensional world without gravity. His insight came through studying D-branes-surfaces where strings can terminate and slide along but not detach. The revolutionary aspect was showing that these two descriptions represented the same physics despite having different spatial dimensions. The distortion of ADS space that makes objects appear to shrink near the boundary creates a correspondence where movement in the third dimension in one description becomes simply growing or shrinking in the other. This was the Holographic Principle in action-a three-dimensional world with gravity equivalent to a two-dimensional quantum hologram on the boundary. Witten expanded on Maldacena's discovery by comparing ADS space to a can of soup-horizontal slices represent space, the vertical axis is time, and the label is the boundary. When enough mass and energy ("soup") is injected into the can, a black hole forms. In the dual boundary description, this black hole corresponds simply to a hot fluid of elementary particles like gluons. This revelation convinced Susskind that the Black Hole War was finally over-since Quantum Field Theory preserves information, and the boundary description was equivalent to the interior with the black hole, information could never truly be lost.

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第11章

Victory and Vindication: The End of the Black Hole War

While theories about black holes remain largely theoretical without experimental confirmation, an unexpected connection has emerged between quantum gravity, the Holographic Principle, and experimental nuclear physics. At Brookhaven National Laboratory, physicists are colliding gold nuclei at nearly light speed in the Relativistic Heavy Ion Collider (RHIC), creating energy splashes millions of times hotter than the sun's surface. From the three-dimensional viewpoint, this appears as "hot quark soup"-a fluid with surprisingly low viscosity. Initially expected to disperse quickly, this quark-gluon plasma instead behaves like a fluid with properties resembling a black hole's horizon. It's the least viscous fluid known to science-even less viscous than superfluid liquid helium. The blob of fluid eventually evaporates into various particles, just as a black hole would. In 2002, Stephen Hawking celebrated his sixtieth birthday with a grand party in Cambridge. During this serious physics conference and media event, everyone significant in Hawking's scientific life gave speeches. Susskind described his relationship with Hawking as "adversarial," noting they had disagreed profoundly about black holes and information theory for over two decades. Most notably, Hawking's own lecture mentioned nothing about information loss, suggesting he might be wavering. In 2004, Hawking publicly changed his mind, announcing that information does leak out of black holes. He paid off bets with both John Preskill and Don Page, who had long been skeptical of Hawking's claims. The Black Hole War represents a genuine scientific debate about clashing principles that led to new insights and paradigm shifts. Though the original war is over, many important lessons remain to be learned, particularly about applying String Theory to our expanding universe with its cosmic horizons. Just as the Black Hole War ended, cosmologists convinced physicists that we live in a universe with a nonvanishing cosmological constant-an incredibly small constant creating a repulsive force that causes space to expand exponentially. In such an expanding universe, at about fifteen billion light-years away, galaxies recede from us at light speed, creating a cosmic horizon that never changes distance. Like living in an inside-out black hole, our cosmic horizon swallows galaxies, stars, and possibly life, making most of the universe forever beyond our knowledge. These cosmic horizons share properties with black holes-objects approaching them appear to slow down and heat up. The meaning of objects behind this horizon may be cosmology's deepest question. When dominant paradigms break down, confusion reigns as certainty evaporates and old rules fail. New patterns emerge that initially make no sense, requiring new mathematics and even new logic to classify and codify them. Despite our progress, we likely remain confused beginners with incorrect mental pictures, ultimate reality still beyond our grasp. The more we discover, the less we seem to know-that's physics in a nutshell.

★★★★★

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』を最後まで読み終えました

100万人以上の学習者に愛用されています

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『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の主要テーマ

black hole thermodynamics
quantum information paradox
holographic principle
equivalence principle
theoretical physics debate

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の名言

Evolution has hardwired basic physics concepts into all complex life forms.
The twentieth century brought a wholesale breakdown of intuition.
Many physicists considered pursuing a unified theory worthless.
Welcome to the bewildering realm of Quantum.

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の登場人物

Leonard SusskindAuthor and physicist leading the resistance
Stephen HawkingTheoretical physicist who sparked the conflict
Gerard 't HooftPhysicist and key ally to Susskind in the debate
Bill UnruhPhysicist who created the drain hole analogy

著者について

レオナルド・サスキンドは、高く評価されている理論物理学者であり、スタンフォード大学のフェリックス・ブロッホ教授でもあります。彼は著書『ブラックホール戦争：スティーヴン・ホーキングとの20年間に及ぶ闘い』（原題：The Black Hole War: My Battle with Stephen Hawking to Make the World Safe for Quantum Mechanics）において、最先端の科学と親しみやすい語り口を見事に融合させています。弦理論と量子宇宙論の基礎を築いた人物の一人であるサスキンドは、ホログラフィック原理を共同開発し、影響力のある「弦理論のランドスケープ」という概念を提唱しました。スタンフォード大学理論物理学研究所での数十年にわたる研究と、米国科学アカデミーの会員としての経歴が、ブラックホールの情報パラドックスを巡る科学的論争を描いたこの魅力的な記録の土台となっています。

アート・フリードマンとの共著であるサスキンドの『スタンフォード物理学再入門』（原題：The Theoretical Minimum）シリーズ（2013年〜2017年）は、複雑な物理学を一般読者向けの基礎的なガイドへと凝縮したものです。1998年のJ.J.サクライ賞や2023年のディラック賞を受賞した彼の研究成果は、世界中の教育課程で採用されており、ペリメーター研究所などの機関における議論にも影響を与えています。

『ブラックホール戦争』は、量子重力の最も困難な謎を解明すると同時に、理論物理学を非専門家にとっても魅力的なものにするという、彼のキャリアを通じた使命を具現化したものです。15以上の言語に翻訳され、ニューヨーク・タイムズ紙でも書評が掲載されたこのベストセラーは、現代天体物理学における最も激しい知的衝突を理解するための必読書であり続けています。

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The Physics of Interstellar Survival

This plan bridges the gap between theoretical physics and practical engineering for the future of humanity. It is essential for aspiring aerospace engineers, science enthusiasts, and anyone fascinated by the technical realities of becoming a multi-planetary species.

1 h 12 m•3 セクション

学習プラン

Quantum Reality and the Conscious Mind

This plan bridges the gap between physics and philosophy for those curious about the origin of awareness. It is ideal for science enthusiasts and thinkers eager to explore how quantum mechanics and microtubules might explain the mystery of the human mind.

1 h 30 m•3 セクション

学習プラン

Bible, Quantum Physics & Theology Link

This plan bridges the perceived gap between ancient scripture and modern science, offering a unique interdisciplinary perspective on the nature of reality. It is ideal for theologians, science enthusiasts, and seekers curious about how quantum theory illuminates divine mystery.

5 h 25 m•4 セクション

学習プラン

The Unified Physics Masterclass

This masterclass is essential for anyone seeking a rigorous, top-down understanding of the laws governing our universe. It bridges the gap between classical mechanics and modern quantum gravity, making it ideal for aspiring physicists, engineers, or science enthusiasts.

3 h 45 m•4 セクション

学習プラン

The Geometry of Existence

This curriculum is essential for students and enthusiasts seeking to understand the mathematical elegance underlying the physical universe. It provides a high-level synthesis of classical mechanics, quantum theory, and relativity, making it ideal for those with a foundation in physics who want to see the 'big picture' of cosmic design.

3 h•6 セクション

コロンビア大学卒業生がサンフランシスコで開発

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1,000,000+ curious minds.

4.7

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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

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5章

ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い

概要『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』の概要

1冊の本。さまざまな聴き方。

When Genius Collides: A Battle for Reality's Soul

Physics in Our Bones: The Intuitive and the Impossible

聴きながら、すべての言葉を目で追えます

Into the Abyss: Understanding Black Holes

Beyond Euclid: Space-Time as a Curved Canvas

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

Quantum Conundrums: When Certainty Dissolves

The First Shot: When Titans Clash

聴きながら、すべての言葉を目で追えます

Heat, Light, and Information: The Thermodynamics of Black Holes

The Dutch Resistance: Standing Firm on Quantum Principles

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

Complementarity: A Revolutionary Solution

The Holographic Universe: Reality's Surprising Structure

聴きながら、すべての言葉を目で追えます

Victory and Vindication: The End of the Black Hole War

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』を最後まで読み終えました

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』の主要テーマ

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』の名言

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』の登場人物

著者について

ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い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 Black Hole War by Leonard Susskind about?

Who should read The Black Hole War?

Is The Black Hole War worth reading?

What is the black hole information paradox?

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。

When Genius Collides: A Battle for Reality's Soul

Physics in Our Bones: The Intuitive and the Impossible

聴きながら、すべての言葉を目で追えます

Into the Abyss: Understanding Black Holes

Beyond Euclid: Space-Time as a Curved Canvas

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

Quantum Conundrums: When Certainty Dissolves

The First Shot: When Titans Clash

聴きながら、すべての言葉を目で追えます

Heat, Light, and Information: The Thermodynamics of Black Holes

The Dutch Resistance: Standing Firm on Quantum Principles

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

Complementarity: A Revolutionary Solution

The Holographic Universe: Reality's Surprising Structure

聴きながら、すべての言葉を目で追えます

Victory and Vindication: The End of the Black Hole War

『ブラックホール戦争 スティーヴン・ホーキングとの20年間に及ぶ闘い』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

ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の概要

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』を最後まで読み終えました

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の主要テーマ

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の名言

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』の登場人物

ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘いの要約をダウンロード

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』をもっと深く楽しむ

『ブラックホール戦争スティーヴン・ホーキングとの20年間に及ぶ闘い』を最後まで読み終えました