Could We Accidentally Destroy the Universe?

What if the end of everything came not from cosmic fate, but from us? This episode examines the physics, probability, and peril of experiments that could, in theory, unravel the universe. Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-... Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa... Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon:   / isaacarthur   Support us on Subscribestar: https://www.subscribestar.com/isaac-a... Facebook Group:   / 1583992725237264   Reddit:   / isaacarthur   Twitter:   / isaac_a_arthur   on Twitter and RT our future content. SFIA Discord Server:   / discord   Credits: Could We Accidentally Destroy the Universe? Written, Produced & Narrated by: Isaac Arthur Editors: Lukas Konecny Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chapters 0:00 Intro 2:38 Vacuum Decay (False Vacuum Collapse) 9:59 Strange Matter Conversion 13:09 Gray Goo Scenario (Nanotechnology Out of Control) 16:05 Runaway Energy Reaction 19:06 Altering the Constants of Nature 20:49 Brane Collision (M-Theory Catastrophe) 22:27 Time Travel or Causality Paradox 23:55 Nebula 25:20 Simulation Shutdown 27:21 Big Rip or Cosmological Instability 28:35 Baby Universe Creation or Collapse 29:51 Why It Hasn’t Happened Yet (Anthropic Principle & More) 31:49 Channel Updates