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"There are unfortunately not a few good professional physicists who still think about the world as if space and time had an absolute meaning."
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Lee Smolin"String theory seems to be incompatible with a world in which a cosmological constant has a positive sign, which is what the observations indicate."
Lee Smolin is an American theoretical physicist, a founding member of the Perimeter Institute for Theoretical Physics, an adjunct professor of physics at the University of Waterloo, and a member of the graduate faculty of the philosophy department at the University of Toronto. Smolin's 2006 book The Trouble with Physics criticized string theory's viability. He has made contributions to quantum gra
"There are unfortunately not a few good professional physicists who still think about the world as if space and time had an absolute meaning."
"I believe that the main lesson of relativity and quantum theory is that the world is nothing but an evolving network of relationships."
"There is no meaning to space that is independent of the relationships among real things of the world. ...Space is nothing apart from the things that exist. ...If we take out all the words we are not left with an empty sentence, we are left with nothing."
"There is no fixed, eternal frame to the universe to define what may or may not exist."
"Neither space nor time has any existence outside the system of evolving relationships that comprises the universe. Physicists refer to this feature of general relativity as background independence."
"The five big questions in physics 1. How to unify quantum theory and gravity? 2. Does quantum mechanics really make sense? 3. Unify the different forces and particles 4. What sets the masses of the particles? 5. What are the dark matter and energy?"