2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138964These lectures are envisioned to be an introductory, basic course in gravitational-wave physics.50 pages, 13 figures; to appear in the Proceedings of Les Houches Summer School, Particle Physics and Cosmology: The Fabric of Spacetime, Les Houches, France, 31 Jul - 25 Aug 2006General Relativity and Quantum Cosmologytext