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. Eric Weinstein’s Geometric Unity (GU) proposes a 14-dimensional geometric framework (involving a metric bundle over 4D spacetime) from which the Standard Model forces, gravity, and ...

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Link :
https://www.nextbigfuture.com/2026/06/speculations-on-what-could-show-physics-beyond-the-standard-model.html