Entangled colliders

There are several interesting papers on the arXiv today. One of them, arXiv:2507.15949 , involves my former PhD supervisor. It's on the subject of Quantum Entanglement at collider experiments, and relates back to a paper of his from 1992 that I didn't know about (there's a great line in the new paper where the authors complain that their earlier paper was ignored). (Quantum) Entanglement is the…