Relativity

First published in 1916, Relativity: The Special and the General Theory is Albert Einstein's own explanation of his revolutionary theories, written specifically for readers without advanced mathematical training. In this accessible and insightful work, Einstein lays out the foundations of special relativity-introducing concepts like the speed of light, time dilation, and mass-energy equivalence-and then extends these ideas into general relativity, where gravity is redefined as the curvature of space-time.Blending clarity with intellectual rigor, this classic text not only transformed our understanding of the universe but also reshaped modern physics. Relativity remains essential reading for anyone interested in science, philosophy, or the power of human thought.