Physics

The intrinsic nature of the universe

48 posts

Subtags

Classical Electromagnetism 0 Classical Mechanics 7 Elementary Physics 7 Fluid Mechanics 13 Quantum Mechanics 21

2026

• [Fluid Mechanics 2.3] Couette Flow and Poiseuille Flow 20 Jan
• [Fluid Mechanics 2.2] Energy Dissipation in an Incompressible Fluid 19 Jan

2025

• [Fluid Mechanics 2.1] Viscous Fluids and the Navier–Stokes Equation 15 Dec
• [Fluid Mechanics 1.10] Internal Waves in an Incompressible Fluid 26 Oct
• [Fluid Mechanics 1.9] Gravity Waves 17 Sep
• [Fluid Mechanics 1.8] The Drag Force in Potential Flow Past a Body 16 Sep
• [Fluid Mechanics 1.7] Irrotational and Incompressible Flow 16 Sep
• [Fluid Mechanics 1.6] Kelvin's Circulation Theorem 15 Sep
• [Fluid Mechanics 1.5] Bernoulli's Equation 15 Sep
• [Fluid Mechanics 1.4] Streamlines, Pathlines, and Streaklines 14 Sep
• [Fluid Mechanics 1.3] Euler's Equation and Hydrostatics 14 Sep
• [Elementary Physics 7] Rotational Motions and Angular Quantities 12 Sep
• [Elementary Physics 6] Impulse and Collision 12 Sep
• [Classical Mechanics 2.1] Introduction to the Central Force Problem 20 Aug
• [Classical Mechanics 1.6] Energy Function and the Conservation of Energy 17 Aug
• [Classical Mechanics 1.5] Conservation Theorems and Symmetry Properties 15 Aug
• [Classical Mechanics 1.4] Calculus of Variations and Hamilton's Principle 15 Aug
• [Elementary Physics 5] Work and Energy & Conservations 14 Aug
• [Classical Mechanics 1.3] D'Alembert's Principle and Lagrange's Equations 13 Aug
• [Classical Mechanics 1.2] Constraints of Coordinates 13 Aug
• [Classical Mechanics 1.1] Mechanics of a System of Particles 12 Aug

2023

• [Fluid Mechanics 1.2] Ideal Fluids and the Equation of Continuity 05 Apr
• [Fluid Mechanics 1.1] Introduction to Fluid Mechanics 04 Apr
• [Quantum Mechanics Unclassified] Helium Atom 19 Feb
• [Quantum Mechanics Unclassified] Variational Method 18 Feb
• [Quantum Mechanics Unclassified] Fine Structure of Hydrogen Atom 17 Feb
• [Quantum Mechanics Unclassified] Kramers' Relation and Expectation Values of Hydrogen Atom 16 Feb
• [Quantum Mechanics Unclassified] Hydrogen Atom 15 Feb
• [Quantum Mechanics 2.3] Quantum Harmonic Oscillator 14 Feb
• [Quantum Mechanics 2.2] A Particle in a Box 14 Feb
• [Quantum Mechanics 2.1] A Free Particle 14 Feb
• [Quantum Mechanics 1.13] Interpretations of the Wavefunction 13 Feb
• [Quantum Mechanics 1.12] Dyson Series 13 Feb
• [Quantum Mechanics 1.11] Wavefunctions in Momentum Space 12 Feb
• [Quantum Mechanics 1.10] Canonical Commutation Relation 12 Feb
• [Quantum Mechanics 1.9] Ehrenfest's Theorem 11 Feb
• [Quantum Mechanics 1.8] Uncertainty Principle 10 Feb
• [Quantum Mechanics 1.7] Schrödinger equation 10 Feb
• [Quantum Mechanics 1.6] Dynamical Pictures 10 Feb
• [Quantum Mechanics 1.5] Matrix Representation of Quantum Mechanics 09 Feb
• [Quantum Mechanics 1.4] Commutator 09 Feb
• [Quantum Mechanics 1.3] Hermitian operator 08 Feb
• [Quantum Mechanics 1.2] Bra-ket Notation and Wavefunction 08 Feb
• [Quantum Mechanics 1.1] Postulates of Quantum Mechanics 07 Feb
• [Elementary Physics 4] Mass, Momentum, Force and Motion 07 Feb
• [Elementary Physics 3] Space and Time & Motion of a Body 06 Feb
• [Elementary Physics 2] Measurements and Significant Figures 06 Feb
• [Elementary Physics 1] Physical Quantity 05 Feb

2023

• [Elementary Physics 1] Physical Quantity 05 Feb
• [Elementary Physics 2] Measurements and Significant Figures 06 Feb
• [Elementary Physics 3] Space and Time & Motion of a Body 06 Feb
• [Elementary Physics 4] Mass, Momentum, Force and Motion 07 Feb
• [Quantum Mechanics 1.1] Postulates of Quantum Mechanics 07 Feb
• [Quantum Mechanics 1.2] Bra-ket Notation and Wavefunction 08 Feb
• [Quantum Mechanics 1.3] Hermitian operator 08 Feb
• [Quantum Mechanics 1.4] Commutator 09 Feb
• [Quantum Mechanics 1.5] Matrix Representation of Quantum Mechanics 09 Feb
• [Quantum Mechanics 1.6] Dynamical Pictures 10 Feb
• [Quantum Mechanics 1.7] Schrödinger equation 10 Feb
• [Quantum Mechanics 1.8] Uncertainty Principle 10 Feb
• [Quantum Mechanics 1.9] Ehrenfest's Theorem 11 Feb
• [Quantum Mechanics 1.10] Canonical Commutation Relation 12 Feb
• [Quantum Mechanics 1.11] Wavefunctions in Momentum Space 12 Feb
• [Quantum Mechanics 1.12] Dyson Series 13 Feb
• [Quantum Mechanics 1.13] Interpretations of the Wavefunction 13 Feb
• [Quantum Mechanics 2.1] A Free Particle 14 Feb
• [Quantum Mechanics 2.2] A Particle in a Box 14 Feb
• [Quantum Mechanics 2.3] Quantum Harmonic Oscillator 14 Feb
• [Quantum Mechanics Unclassified] Hydrogen Atom 15 Feb
• [Quantum Mechanics Unclassified] Kramers' Relation and Expectation Values of Hydrogen Atom 16 Feb
• [Quantum Mechanics Unclassified] Fine Structure of Hydrogen Atom 17 Feb
• [Quantum Mechanics Unclassified] Variational Method 18 Feb
• [Quantum Mechanics Unclassified] Helium Atom 19 Feb
• [Fluid Mechanics 1.1] Introduction to Fluid Mechanics 04 Apr
• [Fluid Mechanics 1.2] Ideal Fluids and the Equation of Continuity 05 Apr

2025

• [Classical Mechanics 1.1] Mechanics of a System of Particles 12 Aug
• [Classical Mechanics 1.2] Constraints of Coordinates 13 Aug
• [Classical Mechanics 1.3] D'Alembert's Principle and Lagrange's Equations 13 Aug
• [Elementary Physics 5] Work and Energy & Conservations 14 Aug
• [Classical Mechanics 1.4] Calculus of Variations and Hamilton's Principle 15 Aug
• [Classical Mechanics 1.5] Conservation Theorems and Symmetry Properties 15 Aug
• [Classical Mechanics 1.6] Energy Function and the Conservation of Energy 17 Aug
• [Classical Mechanics 2.1] Introduction to the Central Force Problem 20 Aug
• [Elementary Physics 6] Impulse and Collision 12 Sep
• [Elementary Physics 7] Rotational Motions and Angular Quantities 12 Sep
• [Fluid Mechanics 1.3] Euler's Equation and Hydrostatics 14 Sep
• [Fluid Mechanics 1.4] Streamlines, Pathlines, and Streaklines 14 Sep
• [Fluid Mechanics 1.5] Bernoulli's Equation 15 Sep
• [Fluid Mechanics 1.6] Kelvin's Circulation Theorem 15 Sep
• [Fluid Mechanics 1.7] Irrotational and Incompressible Flow 16 Sep
• [Fluid Mechanics 1.8] The Drag Force in Potential Flow Past a Body 16 Sep
• [Fluid Mechanics 1.9] Gravity Waves 17 Sep
• [Fluid Mechanics 1.10] Internal Waves in an Incompressible Fluid 26 Oct
• [Fluid Mechanics 2.1] Viscous Fluids and the Navier–Stokes Equation 15 Dec

2026

• [Fluid Mechanics 2.2] Energy Dissipation in an Incompressible Fluid 19 Jan
• [Fluid Mechanics 2.3] Couette Flow and Poiseuille Flow 20 Jan