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#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens
Lex Fridman Podcast
Search for Intelligent Alien Life
The existence of alien civilizations is uncertain due to multiple possibilities: life may be abundant but not developed into complex forms, intelligent civilizations might exist but have reasons to avoid contact, or a 'great filter' could prevent the longevity of advanced civilizations by leading to their destruction. Intelligent alien civilizations might utilize self-reproducing probes to explore the galaxy efficiently rather than broadcasting signals. Therefore, the search for intelligent life through listening to radio waves may be inefficient compared to deploying probes to monitor and await the evolution of intelligence in other solar systems.
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