Lex Fridman Podcast #85 – Roger Penrose: Physics of Consciousness and the Infinite Universe
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Mar 31, 2020 Roger Penrose, a brilliant physicist and mathematician from the University of Oxford, dives into the intriguing intersections of consciousness, computation, and the universe. He argues against viewing consciousness purely as computation, asserting that it's a deeper phenomenon. The conversation touches on quantum mechanics, its challenges, and the role of microtubules in consciousness. They also break down the philosophical implications of infinity and the cosmos, engaging listeners in a profound exploration of existence and understanding.
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2001: A Space Odyssey
- Roger Penrose's favorite movie is 2001: A Space Odyssey.
- He admires its scientific accuracy, especially the depiction of freefall and the bone-to-spaceship transition.
Machine Consciousness and Morality
- HAL 9000's actions raise questions about machine consciousness and morality.
- If machines become conscious, our moral responsibilities towards them change.
Cerebellum vs. Cerebrum
- The cerebellum performs extensive computation yet remains unconscious, challenging the computation theory of consciousness.
- The cerebrum's inefficient structure may indicate non-computational processes at play.
