Einstein redefined gravity not as a force between masses, but as the curvature of spacetime . Massive objects like stars and planets warp the "fabric" of the universe, and this curvature dictates how objects move. 3. The Standard Model: The Building Blocks
Modern physics seeks to categorize all known subatomic particles and the forces that govern them. Introduction to the Basic Concepts of Modern Ph...
Albert Einstein’s theories revolutionized our understanding of space, time, and mass. Einstein redefined gravity not as a force between