HEP Phenomenology2026-04-212 minarXiv:2604.19197expressHidden Sector Bubbles with Gravitational WavesA pot of water cools so slowly that it remains liquid even below freezing. One tiny disturbance, and it instantly turns to ice, releasing latent heat.Chang-Xin Liutunnel effectGeorge GamowLeo EsakiAdam Riessgravitational wavesbaryon acoustic oscillationsquasiparticleQuantum Field👍👎☆SimplePopularAdvanced