Produced by: Manoj Kumar
Astronauts face intense cosmic radiation, increasing cancer risks and damaging the brain, heart, and nervous system. New shielding tech is crucial for deep-space missions.
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Water is a natural radiation barrier, but free-flowing water in space risks leaks, uneven distribution, and mobility issues for astronauts.
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Hydrogels absorb and retain water without leaking, offering flexible, even protection against harmful radiation in space.
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SAPs, found in diapers and medical implants, can absorb hundreds of times their weight in water—making them perfect for radiation shields.
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Scientists are using 3D printing to create hydrogel shields in custom shapes, making them adaptable for spacesuits and spacecraft.
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Unlike liquid water, hydrogels won’t spill if punctured, giving astronauts extra time to get to safety during EVAs.
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Hydrogels could be used for crew habitats, spacecraft shielding, and even water reservoirs for long-duration space missions.
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Tests show hydrogels are safe under space conditions, bringing us one step closer to industrial-scale radiation shields.
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With NASA and ESA backing research, hydrogels could revolutionize space safety, making deep-space travel more feasible.
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