Additive Manufacturing in Microgravity

The most expensive part of space travel isn’t the fuel—it’s the cargo. Additive manufacturing isn’t a sci-fi magic trick; it’s the key to building shipyards and telescopes at scales rockets were never meant to handle. We aren't just launching ships anymore; we're moving the factory to the void. Get Nebula using my link for 50% off an annual subscription: Watch my exclusive video Settling Saturn's Rings: Check out Practical Engineering: 🛒 SFIA Merchandise: 🌐 Visit our Website: ❤️ Support us on Patreon: ⭐ Support us on Subscribestar: 👥 Facebook Group: 📣 Reddit Community: 🐦 Follow on Twitter / X: 💬 SFIA Discord Server: Credits: Additive Manufacturing in Microgravity Written, Produced & Narrated by: Isaac Arthur Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:10 Additive Manufacturing Is Not a Printer 8:04 The Physics of Printing in Freefall 12:23 Low Gravity, Regolith, and the “Messy Middle” 17:01 CT Scan 17:59 Printing at Scales Rockets Can’t Touch See Privacy Policy at and California Privacy Notice at .

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Additive Manufacturing in Microgravity is an episode from Science & Futurism with Isaac Arthur by Isaac Arthur.

This episode is 00:24:31 long.

This episode was published on Apr 16, 2026.

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