Episode
What If Humanity Never Masters Fusion?
- Published
- Jun 11, 2026
- Duration seconds
- 1568
- Processing state
not_requested
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Summary
What if fusion power never becomes practical? Humanity still has solar, fission, storage, beamed power, and enough known physics to build a spacefaring future. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur ⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur 👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/ 📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/ 🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur 💬 SFIA Discord Server: https://discord.gg/53GAShE Credits: What If Humanity Never Masters Fusion? Written, Produced & Narrated by: Isaac Arthur Graphics from: Jeremy Jozwik, Mafic Studios Chris Zabriskie, "Unfoldment, Revealment" Stellardrone, "Red Giant", "Billions and Billions" Select imagery/video supplied by Getty Images See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .