sources

• https://cosmosmagazine.com/physics/a-step-closer-to-a-theory-of-quantum-gravity
• https://www.quantamagazine.org/physicists-find-a-way-to-see-the-grin-of-quantum-gravity-20180306/
• https://www.sciencenews.org/article/entanglement-gravitys-long-distance-connection