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27:44
YouTube
Isaac Arthur
Aliens Artifacts & Xenoarcheology
A popular concept in science fiction is uncovering ancient alien artifacts, but if we encounter these extraterrestrial relics in the future, how should we investigate them and what might they reveal? The first 1,000 people to use this link will get a 1 month free trial of Skillshare: https://skl.sh/isaacarthur08211 Join this channel to get ...
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