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Podcast: Science & Futurism with Isaac Arthur
Episode: Orbital Defense Platforms
Description: In science fiction we often see immense starships attacking planets, crushing or besieging them, but in our own future we may deploy powerful orbital fortresses to defend our world.Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-hermit-shoplifter-hypothesisGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurVisit our Website: http://www.isaacarthur.netJoin Nebula...