Page "Digital philosophy" Paragraph 24

The Einstein-Cartan theory extends general relativity theory to deal with spin-orbit coupling when matter with spin is present.

According to conventional wisdom in physics, torsion is nonpropagating, which means that torsion will appear within a massive body and nowhere else.

According to Fredkin, torsion could appear outside and around massive bodies, because alternate universes have anomalous inertial effects.