Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
AMA | October 2024
Sean Carroll
If you send a radio signal, it's literally moving through the other star system at the speed of light, right? Whereas if you send an artifact, if you send a machine that will just sit and park itself, it can wait for potentially millions or billions of years for life to come to existence and then become more technologically advanced in that system.
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