All Categories
Classical Mechanics
Understanding motion, forces, and the fundamental laws that govern how objects move
Subcategories
Electromagnetism
Understanding electricity, magnetism, and electromagnetic waves
Subcategories
Electric Current & Circuits
Understanding electric current, resistance, and how circuits work
Electromagnetic Waves
Understanding electromagnetic radiation, the spectrum, and wave applications
Electrostatics
Understanding static electricity, electric fields, and electric potential
Magnetism
Understanding magnetic fields, magnetic forces, and electromagnetic induction
Everyday Physics
Understanding the physics behind everyday phenomena and common questions
Subcategories
Electromagnetic Phenomena
Understanding everyday electromagnetic phenomena and electrical effects
Mechanical Phenomena
Understanding everyday mechanical phenomena and why objects behave as they do
Optical Phenomena
Understanding everyday optical phenomena and why we see what we see
Thermal Phenomena
Understanding everyday thermal phenomena and heat-related effects
Modern Physics
Exploring relativity, quantum mechanics, and the fundamental nature of matter and energy
Subcategories
Nuclear Physics
Understanding atomic nuclei, nuclear reactions, and nuclear energy
Particle Physics
Understanding fundamental particles and the Standard Model
Quantum Mechanics
Understanding the quantum world, wave-particle duality, and quantum phenomena
Relativity
Understanding Einstein's theories of special and general relativity
Optics
Understanding light, vision, and optical phenomena
Subcategories
Geometric Optics
Understanding reflection, refraction, and how light travels in straight lines
Optical Applications
Understanding how optical principles are applied in technology and instruments
Properties of Light
Understanding the nature of light, color, and the visible spectrum
Wave Optics
Understanding wave properties of light, interference, and diffraction
Thermodynamics & Statistical Physics
Understanding heat, temperature, energy, and the behavior of systems with many particles
Subcategories
Heat & Temperature
Understanding heat, temperature, and thermal energy transfer
Phase Changes
Understanding states of matter and transitions between them
Statistical Mechanics
Understanding macroscopic properties from microscopic particle behavior
Thermodynamic Laws
Understanding the laws of thermodynamics and energy conservation