Post-spacetime physics refers to the idea that our familiar 4D spacetime is not fundamental but emerges from deeper structures—whether geometric (fiber bundles, higher-dimensional manifolds), quantum (entanglement, information), or vacuum effects.

The Steam Machine is a cool little console that's about as powerful as a PlayStation 5, according to my colleague Sean Hollister's in-depth review. But one area where it lags behind is with its earlier version of AMD FSR upscaler: It's just