2 | Carlo Rovelli on Quantum Mechanics, Spacetime, and Reality

2 | Carlo Rovelli on Quantum Mechanics, Spacetime, and Reality

Quantum mechanics and general relativity are the two great triumphs of twentieth-century theoretical physics. Unfortunately, they don't play well together -- despite years of effort, we currently lack a completely successful quantum theory of gravity, although there are some promising ideas out there. Carlo Rovelli is a pioneer of one of those ideas, loop quantum gravity, as well as the bestselling author of such books as Seven Brief Lessons on Physics and the recent The Order of Time. We talk about how to make progress on this knotty problem, including whether string theory will play a role (Carlo thinks not). [smart_track_player url="http://traffic.libsyn.com/seancarroll/rovelli.mp3" social_email="true" hashtag="mindscapepodcast" ] Carlo Rovelli is a professor of theoretical physics at the Centre de Physique Théorique de Luminy of Aix-Marseille University in France. In 1988, he and Abhay Ashtekar and Lee Smolin introduced the idea of loop quantum gravity. He is also the author of the "relational" interpretation of quantum mechanics. Home page Wikipedia page Google Scholar publications Amazon.com author page Talk on The Physics and Philosophy of Time Twitter Download Episode

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Holiday Message 2019: On Publishing Books

Holiday Message 2019: On Publishing Books

Welcome to the second annual Mindscape Holiday Message! No substantive content or deep ideas, just me talking a bit about the state of the podcast and what's on my mind. Since the big event for me in ...

22 Joulu 20191h 6min

77 | Azra Raza on The Way We Should Fight Cancer

77 | Azra Raza on The Way We Should Fight Cancer

In the United States, more than one in five deaths is caused by cancer. The medical community has put enormous resources into fighting this disease, yet its causes and best treatments continue to be a...

16 Joulu 20191h 22min

76 | Ned Hall on Possible Worlds and the Laws of Nature

76 | Ned Hall on Possible Worlds and the Laws of Nature

It's too easy to take laws of nature for granted. Sure, gravity is pulling us toward Earth today; but how do we know it won't be pushing us away tomorrow? We extrapolate from past experience to future...

9 Joulu 20191h 25min

75 | Max Tegmark on Reality, Simulation, and the Multiverse

75 | Max Tegmark on Reality, Simulation, and the Multiverse

We've talked a lot recently about the Many Worlds of quantum mechanics. That's one kind of multiverse that physicists often contemplate. There is also the cosmological multiverse, which we talked abou...

2 Joulu 20191h 11min

74 | Stephen Greenblatt on Stories, History, and Cultural Poetics

74 | Stephen Greenblatt on Stories, History, and Cultural Poetics

An infinite number of things happen; we bring structure and meaning to the world by making art and telling stories about it. Every work of literature created by human beings comes out of an historical...

25 Marras 20191h 6min

73 | Grimes (c) on Music, Creativity, and Digital Personae

73 | Grimes (c) on Music, Creativity, and Digital Personae

Changing technologies have always affected how we produce and enjoy art, and music might be the most obvious example. Radio and recordings made it easy for professional music to be widely disseminated...

18 Marras 20191h 18min

72 | César Hidalgo on Information in Societies, Economies, and the Universe

72 | César Hidalgo on Information in Societies, Economies, and the Universe

Maxwell's Demon is a famous thought experiment in which a mischievous imp uses knowledge of the velocities of gas molecules in a box to decrease the entropy of the gas, which could then be used to do ...

11 Marras 20191h 16min

71 | Philip Goff on Consciousness Everywhere

71 | Philip Goff on Consciousness Everywhere

The human brain contains roughly 85 billion neurons, wired together in an extraordinarily complex network of interconnected parts. It's hardly surprising that we don't understand the mind and how it w...

4 Marras 20191h 34min

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