How to communicate with alien civilizations | David Kipping and Lex Fridman
18:28
Lex Fridman argues about number of alien civilizations with astronomer
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What If Alien Life Were Silicon-Based?
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Alien civilizations are expanding rapidly | Robin Hanson and Lex Fridman
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David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355
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Immortality, Religion, & the Search for Life | Dr. David Kipping | EP 463
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Professor Michio Kaku & Ross Coulthart interview IN FULL | UFO UAP News
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Our galaxy will be colonized by robots not humans | David Kipping and Lex Fridman
22:03