Back to today’s briefing

Story perspectives

MIT Study Redefines Quantum Gravity with Holography Insights

11/26/2025

37 7

Summary

Story summary

A preprint by Massachusetts Institute of Technology (MIT) and the Kavli Institute argues that in a closed universe the Hilbert space for quantum gravity is one-dimensional.
This implies there is no external observer.
Professor Brian Cox praised the work.
The paper discusses fitting observers into the framework using holography principles.

1 of 1

Story summary

A preprint by Massachusetts Institute of Technology (MIT) and the Kavli Institute argues that in a closed universe the Hilbert space for quantum gravity is one-dimensional.
This implies there is no external observer.
Professor Brian Cox praised the work.
The paper discusses fitting observers into the framework using holography principles.