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.

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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

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