Lee Smolin - What Do Black Holes and Dark Matter Reveal?

Visit the 'dark side' of the universe. Black holes cannot be seen because gravity is so strong that not even light can escape. Dark matter cannot be seen because its particles hardly interact with ordinary matter. What is the meaning of the dark side?

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Lee Smolin is an American theoretical physicist, a researcher at the Perimeter Institute for Theoretical Physics, and an adjunct professor of physics at the University of Waterloo. He is best known for his work in loop quantum gravity.

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