Tuesday, December 16, 2014

Why do we need a Theory-Of-Everything (TOE)?


On the heels of some of the discussion about the recent TOE article by New Scientist, what are the key reasons why we need a TOE? The obvious immediate response is that a TOE should give us a means of making predictions in quantum gravity, but what else might be motivating the need for a TOE. Is it economical to continue the search?


If this question passes muster, I request respondents avoid the typical debate surrounding string theory in the popular press. In that context, I think the appropriate question is whether a TOE should be able to solve its own ground state problem, or can one even formulate a consistent theory that can accomplish that task.




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