Relativity
Overview
Explore Einstein's revolutionary theories of special and general relativity.
Special Relativity
Time Dilation and Length Contraction
Add content about relativistic effects at high speeds and spacetime
Mass-Energy Equivalence
Add content about E=mc², relativistic mass, and energy
Relativistic Mechanics
Add content about momentum and energy in special relativity
General Relativity
Curved Spacetime
Add content about gravity as spacetime curvature and Einstein's field equations
Black Holes
Add content about event horizons, singularities, and gravitational collapse
Gravitational Waves
Add content about ripples in spacetime, detection, and sources
Cosmological Implications
The Expanding Universe
Add content about cosmic expansion, redshift, and the Big Bang
Dark Matter and Dark Energy
Add content about the universe's mysterious components and cosmic acceleration