

Sam Winter-Levy
1.4K posts

@SamWinterLevy
Fellow @CarnegieEndow, Technology + International Affairs. Previously poli sci PhD @ Princeton, @ForeignAffairs, @TheEconomist.



Breaking: Jeff Bezos is in talks to raise $100 billion for a new fund that would buy manufacturing companies and use AI to automate them wsj.com/tech/jeff-bezo…













A lot of people here believe that AI / AGI will end Mutually Assured Destruction, potentially leading to a nuclear war. @NikitaaLalwani and @SamWinterLevy at @CarnegieEndow disagree (mostly). 1. Would AI be able to locate all the nuclear submarines hiding in a vast, opaque ocean? (It's a heavier lift than you think.) 2. Would road-mobile launchers still be able to move and hide under cheap tunnels and netting, invisible to satellites? (Seems like yes.) 3. Would missile defence ever become so accurate that the United States could be reliably protected? (Probably not.) 4. Can we imagine an AI cybersecurity breakthrough that would allow countries to infiltrate their rivals’ nuclear command & control networks? (Yes plausibly, though they have countermeasures available.) 5. Though in a very rapid take-off scenario things could be very different. And governments should be preparing for that possibility now. I know a lot about this topic but learned many new things including: • You can create fake decoy road-mobile nuclear launchers far more cheaply than an attacker can build missiles to destroy them all. • States can easily play recordings of submarine sounds into underwater speakers all over the place as decoys. • Some nuclear command bunkers are buried 700 metres underground - deep enough to survive a direct nuclear hit on top of them • Oceans are actually getting noisier over time due to commercial shipping, which makes submarine detection harder, not easier. Nuclear submarines are so quiet they sometimes collide with each other underwater. On the 80,000 Hours Podcast anywhere you get podcasts. Links below. Enjoy! • AI experts are ignoring the most important variable in geopolitics (00:01:47) • AI vs nuclear submarines (00:10:43) • AI vs road-mobile missiles (00:22:56) • AI vs missile defence systems (00:29:34) • AI vs nuclear command, control, and communications (00:36:30) • Nuclear deterrence may hold, but that won’t stop arms racing (00:45:01) • Technological supremacy isn’t political supremacy (00:54:14) • Fast AI takeoff creates dangerous “windows of vulnerability” (00:58:29) • Book and movie recommendations (01:10:54)






