Go to https://brilliant.org/Polymatter to get 30 days free and 20% off Brilliant Premium. Watch this video ad-free on Nebula: https://nebula.tv/videos/polymatter-the-return-of-nuclear-weapons Sources: https://docs.google.com/document/d/1ae6GtFXorqqEIn3k7UlNgVAg7-HgvN2mv1hl9VzBUNk/edit?usp=sharing ...