From: richalivingston@gmail.com   
      
   On Thursday, June 16, 2022 at 2:27:54 AM UTC-5, Sylvia Else wrote:   
   ...   
   > Part of the problem is that the thinking can not go much beyond pure   
   > speculation until and unless we get experimental results that are either   
   > inconsistent with QM, or are consistent with it, but not fully described   
   > by it, in the latter case indicating that QM is incomplete.   
   >   
   > Sylvia.   
      
   Agreed, but part of the problem has been that there has been little thinking   
   (except by a very few) about what quantum mechanics implies about our   
   concepts of time and causality, nor how the Born Rule works.  There are   
   two ways to discover deeper theories about such things.  One is by an   
   experiment that gives an unexpected result (e.g. the Lamb shift) that   
   inspires a theory.  The other is a speculation that permits an experimental   
   test.  (And then there are the speculations that are inherently untestable,   
   e.g. the so called many worlds interpretation of QM.)   
      
   I suspect out current impasse in physics is due to an unexamined assumption   
   in our theory.  While it would be nice for an experiment to lead us in that   
   direction, until then we can speculate and try to test those ideas.  But first   
   we have to admit that there is something that needs a deeper understanding.   
      
   Rich L.   
      
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