Cosmology2026-07-022 minarXiv:2607.01818Chord from the Abyss: Gravitational Waves of Primordial Black HolesThe early universe wasn't silent. Long before stars and galaxies, in the era of inflation, quantum fluctuations stretched to cosmic scales.Ashu Kushwahaquadrupole radiation formulaFirst law of black hole mechanicsAlbert EinsteinBarry BarishKip Thorneblack hole mergerprimordial black holegravitational wavesbaryon acoustic oscillationsgravitational singularity👍👎☆SimplePopularAdvanced
Cosmology2026-07-023 minarXiv:2607.01818Cosmic Symphony: How the Bass and Whistle of Primordial Black Holes Sound in UnisonThe mystery of dark matter has puzzled physicists for nearly a century. Among the candidates for its role are primordial black holes (PBHs), born in the fiery embrace of the first moment after the Big Bang.Ashu KushwahaFirst law of black hole mechanicsHawking radiationJacob BekensteinStephen HawkingJohn Archibald Wheelerblack hole mergerprimordial black holegravitational wavesbaryon acoustic oscillationsgravitational singularity👍👎☆SimplePopularAdvanced