Fay Dowker on a new theory of space-time https://buff.ly/2ROIFfG [I like the idea of discrete spacetime and causal set theory - always a bigger fan of discrete mathematics than continuous.]
Cool - the application of causal set theory to universe models mean you don’t have to conjure up the additional entity of “dark energy” to explain an expanding universe.
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Quantum gravity double bill! -https://open.spotify.com/episode/55kcSvm6Hp4OsLz5PIN6zX?si=D8LRrwzLRkq50hA2FddePw …
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