ensabah6 said:...Smolin in [The Trouble with Physics] ... pointing out that while GR does offer quantitative predictions of time dilation effects, string theory does not...
marcus said:Get your page reference and exact quote, we can't have a discussion based on vague hearsay, with no assurance that you got the correct impression from what you read.
Maybe someone else can get a page reference and quote for this. I don't remember seeing what you say you saw in the book, but someone else may.
Smolin-TWOP (Time Without Time from Principles) is a theory proposed by physicist Lee Smolin that aims to explain time as an emergent phenomenon from the fundamental principles of physics.
String theory is a theoretical framework in physics that attempts to reconcile the conflicting theories of general relativity and quantum mechanics. It proposes that the fundamental building blocks of the universe are tiny, vibrating strings rather than point-like particles.
Smolin-TWOP is a criticism of string theory, arguing that it does not adequately reproduce time-dependent phenomena. Smolin suggests that string theory needs to incorporate a fundamental notion of time in order to accurately describe the universe.
Time-dependent phenomena refer to any physical processes or phenomena that change or evolve over time. Examples include the motion of planets, weather patterns, and chemical reactions.
Time-dependent phenomena are a fundamental aspect of our universe, and any theory attempting to describe it must be able to account for them. The fact that string theory fails to do so is a significant challenge to its validity and suggests that it may not be the complete theory of everything as originally proposed.