Roger Penrose: In the book, I make the point that here we have string theory and here we have twistor theory and we don't know if either one of them is the right approach to nature.

In the book, I make the point that here we have string theory and here we have twistor theory and we don't know if either one of them is the right approach to nature.

-- Roger Penrose


		Name: Roger Penrose Type: Physicist Nationality: English Birth: August 8, 1931

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