Without a sense of time, leading us from cradle to grave, our lives would make little sense. But on the most fundamental level, physicists aren't sure whether the sort of time we experience exists at all. We talk to three experts and find out if time could potentially be moving backwards as well as forwards.
Featuring Sean Carroll, Homewood professor of natural philosophy at Johns Hopkins University, Emily Adlam, postdoctoral associate of the philosophy of physics at Western University and Natalia Ares, Royal Society university research fellow at the University of Oxford.
This episode was presented by Miriam Frankel and produced by Hannah Fisher. Executive producers are Jo Adetunji and Gemma Ware. Social media and platform production by Alice Mason, sound design by Eloise Stevens and music by Neeta Sarl. A transcript is available here. Sign up here for a free daily newsletter from The Conversation.
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Theory of everything: do we really need one?
Will we ever have a fundamental theory of life and consciousness?
Quantum mechanics: does objective reality exist?
Is there a multiverse?
Fundamental constants: is the universe fine tuned for life to exist?
Uncharted Brain 3: the role viruses may play in Alzheimer’s
Uncharted Brain 2 : the family trauma of dementia from sports injuries
Uncharted Brain 1: a lifelong study unlocks clues to Alzheimer’s
Uncharted Brain: decoding dementia – trailer
Climate Fight part 5: the art and chaos of negotiating the Glasgow Climate Pact
Climate Fight part 4: the youth movement grows up
Climate fight part 3: the left behind
Climate Fight part 2: the path to net zero
Climate Fight part 1: where's the money?
Climate fight: the world's biggest negotiation – trailer
Recovery part six – 2008 financial crisis and lessons for today
Recovery part five – the post-Soviet transition
Recovery part four – the second world war
Recovery part three – Spanish flu and the first world war
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