Sometime ago Jonathan Oppenheim, one of the brightest minds [1, 2, 3, 4, 5, 6, 7, 8, 9] in the frontiers  of quantum information and quantum foundations, posted a very interesting article [10] on arXiv. As is the custom these days, he announced the paper in a series of tweets, starting with: A post-quantum theory… Continue reading Comment on "A Post-Quantum Theory of Classical Gravity"