kitp conference 2018 - lecture and debate mond vs. dark matter - stacy mcgaugh & carlos frenk Published 1 year ago • 501 plays • Length 1:04:47 Download video MP4 Download video MP3 Similar videos 24:08 roger penrose: "string theory wrong and dark matter doesn't exist" 1:23:54 discussion - 1 43:29 the radiant universe: the story of electromagnetic waves ▸ kitp public lecture by ted jacobson