physics.gen-ph2026-02-081 minarXiv:2602.17702expressBlack Holes Are Born When the Universe BouncesThe universe can behave like a spring: compressing to microscopic sizes and then expanding again. In this cycle of contraction and bounce, black holes and dark matter are born.Enrique GaztanagaHawking radiationno-hair theoremJacob BekensteinJohn Archibald WheelerStephen Hawkingprimordial black holeblack hole mergerblack holedark matterHawking radiation👍👎☆SimplePopularAdvanced