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The Secrets of Rotating Black Holes Revealed by the Kerr Metric

In this video, you will learn about the Kerr metric, which is an exact solution to Einstein’s equations of general relativity that describes the gravitational field outside a rotating black hole. You will discover how the Kerr metric differs from the Schwarzschild metric, which describes a non-rotating black hole, and what are some of the amazing phenomena that occur near a spinning black hole, such as the ergosphere, the Penrose process, and frame-dragging. You will also find out how the Kerr metric reveals some fundamental properties and paradoxes of black holes, such as the no-hair theorem, the singularity, and the information loss problem. This video will help you understand one of the most important and elegant solutions in general relativity, and how it has transformed our knowledge and imagination of the universe.