Modern Physics
Modern physics encompasses the revolutionary discoveries of the 20th century that overthrew classical notions of space, time, and matter. Special relativity and quantum mechanics fundamentally changed
3 Articles
Modern Physics Articles
Modern Physics
Special Relativity: Einstein's Theory
Time dilation, length contraction, E=mcΒ², and the relativistic universe explained from first principles.
Modern Physics
The Photoelectric Effect
How light ejects electrons from metal surfaces. Einstein's Nobel Prize-winning quantum explanation.
Modern Physics
Wave-Particle Duality
Matter and light as both waves and particles. De Broglie wavelength and the double-slit experiment.