From cosmic rays to solar storms, space travel is a radiation gauntlet—but water may be the simplest, smartest solution. Discover how future starships might turn their life-support systems into life-saving armor.

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Credits:

Fishbowl Starships Water As Shielding

Episode 721; June 1, 2025; Nebula Exclusive

Written, Produced, & Narrated by: Isaac Arthur

Graphics: Bryan Versteeg, Jeremy Jozwik, Udo Schroeter

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Taras Harkavyi, "Alpha and..."

Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"

"Oxygen Garden", "Wonder Cycle"

Stellardrone, "Red Giant", "Billions and Billions"

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