Abstract On a Riemannian or a semi-Riemannian manifold, the metric determines invariants like the Levi-Civita connection and the Riemann cu...

Julian Barbour presented his essay "Bit from It" at the FQXi essay contest Is Reality Digital or Analog? . The essay is beautif...

Quantum Mechanics, in particular the Uncertainty Relations, need indeed a good interpretation. Well, I think that it is more than a matter o...

I realized that an apparently well-understood word, "explanation", may lead to controversies in discussions about the foundations ...

The purpose of this short post is to provide a very brief presentation of Quantum Theory. Short: In quantum theory, particles are waves ...