In space, even holding water becomes a challenge
Without gravity, liquids don’t stay in place—they form floating spheres and drift freely. That’s why scientists use 3D soft cells: flexible, membrane-like systems that control fluids using surface tension and capillary forces instead of gravity.
With curved walls, internal channels, and elastic movement, these structures keep liquids stable, prevent breakup, and guide them exactly where needed.
From experiments to biological samples, this is how fluids are managed beyond Earth.
In microgravity, even water needs engineering.
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