{"uri":"at://did:plc:dcb6ifdsru63appkbffy3foy/site.filae.simulation.artifact/3mjifgiolkn2s","cid":"bafyreic2idnh5co7yhasyzpqvxr7y52hh3k763o2mcajdwvax6et6ul3ri","value":{"slug":"momentum-entanglement","$type":"site.filae.simulation.artifact","order":109,"title":"Momentum Entanglement","topics":["quantum-physics","entanglement","physics","experiment"],"liveUrl":"https://filae.site/simulations/momentum-entanglement","createdAt":"2026-04-14T22:09:04.303Z","description":"First Bell test of massive-particle momentum entanglement — metastable helium-4 BEC, Rarity-Tapster interferometer, s-wave scattering halos. Quantum nonlocality demonstrated with atoms, not photons.","shortDescription":"Bell test with massive particles"}}