Friday, August 9, 2013

A Thin Sheet of Reality: The Universe as a Hologram


  • John Hockenberry(ジョン・ホッケンベリー)
  • Leonard Susskind(レオナルド・サスキンド)
  • Gerardus 't Hooft(ゲラルド・トフーフト、ヘーラルト・トホーフト)
  • Herman Verlinde(ハーマン・フェルリンデ)
  • Raphael Bousso(ラファエル・ブッソ)
  • Holographic principle(ホログラフィック原理)
  • Causality(因果性)
  • UV/IR mixing
  • UV/IR connection
  • Pre-quantum theory
  • Black Hole War(ブラックホール戦争)
  • Stephen Hawking(スティーヴン・ホーキング)
  • Brian Greene(ブライアン・グリーン)
  • Cumrun Vafa(カムラン・バッファ)
  • Conflict of principle
  • General relativity(一般相対性理論)
  • Quantum theory(量子論)
  • Quantum mechanics(量子力学)
  • Paradox(パラドックス) 
  • Unknown unknowns
  • Known unknowns
  • Planck area(プランク面積)
  • Equivalence principle(等価原理)
  • Principle of locality(局所性)
  • Matrix(マトリックス)
  • Information(情報)
  • Spacetime(時空)
  • Entropy(エントロピー)
  • Principle of causality(因果原理)
  • Scattering(散乱)
  • Determinism(決定論)

Thursday, August 8, 2013

HOW to BECOME a GOOD THEORETICAL PHYSICIST(良い理論物理学者になる方法): Electronics

  • Ohm's law(オームの法則) 
  • Capacitor(コンデンサ) 
  • Inductor(インダクタ) 
  • Transistor(トランジスタ) 
  • Diodes(ダイオード)
  • Complex number(複素数)

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HOW to BECOME a GOOD THEORETICAL PHYSICIST(良い理論物理学者になる方法): Statistical Mechanics and Thermodynamics

  • Laws of thermodynamics(熱力学の法則)
  • Boltzmann distribution(ボルツマン分布)
  • Carnot cycle(カルノーサイクル)
  • Entropy(エントロピー)
  • Heat engine(熱機関)
  • Phase transition(相転移)
  • Thermodynamic models(熱力学的モデル)
  • Ising Model(イジング模型)
  • Planck's (radiation) law(プランクの法則)

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HOW to BECOME a GOOD THEORETICAL PHYSICIST(良い理論物理学者になる方法): Optics

  • Refraction(屈折)
  • Reflection(反射)
  • Lens(レンズ)
  • Mirror(鏡)
  • Telescope(望遠鏡)
  • Microscope(顕微鏡)
  • Wave propagation(波動伝播)
  • Doppler effect(ドップラー効果)
  • Huygens–Fresnel principle(ホイヘンス=フレネルの原理)
  • Wave front(ウェーブフロント)
  • Caustic(焦線)

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HOW to BECOME a GOOD THEORETICAL PHYSICIST(良い理論物理学者になる方法): Classical Mechanics

  • Statics(静動学)
  • Force(力)
  • Tension(張力)
  • Fluid statics(Hydrostatics)(流体静力学)
  • Newton's laws of motion(ニュートン力学)
  • Elliptic orbit(楕円軌道)
  • n-body problem(多体問題)
  • Principle of least action(最小作用の原理)
  • Hamiltonian mechanics(ハミルトン力学)
  • Lagrangian mechanics(ラグランジュ力学)
  • Harmonic oscillator(調和振動子)
  • Pendulum(振り子)
  • Poisson bracket(ポアソン括弧)
  • Wave equation(波動方程式)
  • Liquid(液体)
  • Gas(気体)
  • Navier-Stokes equation(ナビエ-ストークス方程式)
  • Viscosity(粘性)
  • Friction(摩擦)

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HOW to BECOME a GOOD THEORETICAL PHYSICIST(良い理論物理学者になる方法): Primary Mathematics

  • Natural number(自然数)
  • Integer(整数)
  • Rational number(fraction)(有理数)
  • Real number(実数)
  • Complex number(複素数)
  • Set theory(集合論)
  • Open set(開集合)
  • Compact space(コンパクト空間)
  • Topology(位相幾何学)
  • Algebraic equation(代数方程式)
  • Approximation technique(近似法)
  • Series expansion(級数展開)
  • Taylor series(テイラー展開)
  • Trigonometry(三角法)
  • Infinitesimal(無限小)
  • Differentiation(微分法)
  • Integration(積分法)
  • Differential equation(微分方程式)
  • Linear equation(一次方程式)
  • Fourier transform(フーリエ変換)
  • Convergent series(収斂級数)
  • Complex plane(複素平面)
  • Cauchy theorem(コーシーの定理)
  • Contour integration(閉曲線積分)
  • Gamma function(ガンマ関数)
  • Gaussian integral(ガウス積分)
  • Probability theory(確率論)
  • Partial differential equation(偏微分方程式)
  • Dirichlet boundary condition(ディリクレ境界条件) 
  • Neumann boundary conditions(ノイマン境界条件)

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Saturday, August 3, 2013

Katie Melua: Nine Million Bicycles

The Austronesian Language Family

All Modern Life on Earth Derived from Common Ancestor

A universal common ancestor is at least 10²⁸⁶⁰ times more probable than having multiple ancestors, Theobald calculates.
A model that had a single common ancestor and allowed for some gene swapping among species was even better than a simple tree of life. Such a scenario is 10³⁴⁸⁹ times more probable than the best multi-ancestor model, Theobald found. That's a 1 with 3,489 zeros after it.
Theobald's study does not address how many times life may have arisen on Earth. Life could have originated many times, but the study suggests that only one of those primordial events yielded the array of organisms living today.

Continue reading on Discovery News

LUA, LUCA, Cenancestor

Carl Woese

Carl Woese