Mysteries in physics – Everything You Wanted To Know About…Physics, episode five

Prof Jim Al-Khalili reveals some of the biggest unsolved mysteries. We talk about the plausibility of time travel, whether there are multiple universes and what we need to discover a ‘theory of everything’. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices