诺特定理:能量守恒等价于时间平移对称性,即物理定律并不随着时间的流逝而发生改变;动量守恒等价于空间平移对称性,即物理定律并不随着空间地点的改变而改变;角动量守恒则等价于空间各向同性,即物理定律并不随着空间朝向的改变而改变。
Key points
Physicists: Isaac Newton (1642–27), Micheal Faraday, Albert Eintein (1879–55), Stephen W. Hawking; Milokovich; Thomas Edison, Nikola Tesla, Paul Dirac
Laboratories: Cavendish, CambridgeU: Sir J. J. Thomson, Ernest Rutherford
Theory of everything: Grand unified theory (GUT, 大统一理论): Fundamental forces; String theory: Super(symmetric) string theory (超弦理論)
Videos: Quantum Gravity; How X Is It - Special relativity, General relativity I; E=mc²质能方程如何推导? 光子有质量吗?
Fermion: Fermi-Dirac statistics. Quarks, Lepton (Electron, e-), Guage bason: γ; Boson 玻色子: Bose-Einstein statistics
Videos: Eugene Khutoryansky (Fourier Transform)
Atomic orbital, Molecular orbital
Nuclear shell model: Wiki, HyperPhysics
Applications: PET
Maxwell's equations: Gauss's law, Gauss's law for magnetism, Faraday's law of induction, Ampère's circuital law
Reflection, refraction (RI), transmission; Colour; Transpar & transluc; Light sources
Macroscopic & microscopic (atomic level) explanations
Tutorial; Wave motion machine (free/fixed end, Waves/Videos)
Color & vision, Resonance & standing waves (Forced vibration, Natural freq)
Atmospheric refraction: Moon illusion; Magnification of Sun and moon at rise and set
Rainbow: Wiki
Bioluminescence: Firefly
Speed of light: How the Speed of Light Was First Measured; 光速的测量, 如何肉眼测光速? 时间的形状: 菲索齿轮测光速, 迈克尔逊-莫雷实验 (Michelson–Morley experiment)
Acoustics (Waves; /Language; /Sensory systems; Music)
Fourier transform: Making waves
Thermodynamics: Entropy, Enthalpy
Mechanics/Dynamics
Inertia: Foucault pendulum; 惯性离心力: 潮汐锁定, 月制动; Coriolis force, Tea leaf paradox; Gyroscope
LaGrange Points: A tour of Lagrange points
Mixed motion:
Magnus effect: Images; Videos: Wiki, toys- Cup Flyers, Backets, What's the ME?
Gyroscopic effect (陀螺仪): Precession and 定轴性; Bike and motorbike dynamics
Constants, laws & principles
Principle of least action/最小作用量原理: Huygens–Fresnel principle/惠更斯-菲涅耳原理 (子波,包络面,波面,波线): 反射,折射,海浪; Fermat principle/費馬原理, Snell's law
Gaspard-Gustave de Coriolis [ɡaspaʁ ɡystav də kɔʁjɔlis], MIT;
Applications
Laser 激光: 粒子数反转, Stimulated emission 受激辐射; 条码扫描仪(1974), 光盘(1978), 激光打印机 (1982)
Nature:
Atmosphere: Global circulation: Met Office Part 1
Ocean: Patterns & Effect on Climate
Lectures:
Mechanics (力学): 神十太空教學: Weightlessness (失重, Spacecraft), 向心加速度, Gyroscope (陀螺仪)定轴性, Surface tension (表面张力)
Video: Eugene Khutoryansky (Relativity, Light,Thermodynamics), Light & matter
Other videos: 麦克斯韦方程; Space Time; 爸爸说:粒子世界; LEinstein (反射, 折射, 黑体, 自由落体, 双缝)