The video tutorial introduces Einstein's general relativity, contrasting it with special relativity and Newton's gravity. It explains how general relativity describes the curvature of space around massive objects, challenging the Euclidean geometry view. The tutorial highlights the theory's experimental support, such as gravitational lensing, and discusses its limitations, particularly its lack of integration with quantum physics.

How does general relativity improve upon Newton's law of universal gravitation?

Describe the phenomenon of gravitational lensing and its significance.

What challenges exist in merging general relativity with quantum physics?