Has Physics Gotten Something Really Important Really Wrong?
This is Smolin, making his usual, and valid, criticisms of modern physics. Smolin&#x27;s basic complaint is that there is no experimental evidence for string theory.  The math is pretty, and a whole generation of physicists have worked on it, but nothing is experimentally testable. Everything is too small or at too high an energy level.  A practical implication is that it doesn&#x27;t lead to any technology.<p>Smolin also doesn&#x27;t like many-worlds, because it talks about unreachable regions. This he considers too speculative.  There&#x27;s a basic problem in quantum mechanics, which leads to Schroedinger&#x27;s Cat, the Copenhagen Interpretation, and, in the end, many-worlds.[1]<p>Physics has been stuck on this problem for almost a century now.  Philosophy won&#x27;t help.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Copenhagen_interpretation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Copenhagen_interpretation</a>