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# Can We Test Quantum Gravity?
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/can-we-test-quantum-gravity-libp19/
- Published: 2024-09-30T17:30:55.000Z
- Updated: 2025-08-21T13:47:08.000Z
- Description: Let’s talk about quantum gravity experiments that can be done here on Earth!
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 10, Episode 20, #ZZZ_Episode_f2678e63-3243-4a86-a620-9d1955fbb6bb, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

If we discover how to connect quantum mechanics with general relativity we’ll pretty much win physics. There are multiple theories that claim to do this, but it’s notoriously difficult to test them. Let’s talk about some ideas for quantum gravity experiments that can be done on a non-galaxy-sized lab bench, and in some cases already have been done.