===== Spencer Chang ===== ==== Cosmological Observables When Worlds Collide ==== May 14, 2009 [[http://particle.physics.ucdavis.edu/workshops/doku.php?id=2009:particlecosmo|talk given at The Particle Cosmology Frontier Workshop]] {{2009:may:chang.pdf |pdf file}} {{2009:may:chang.mp3 |mp3 file}}