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New method turns ocean water into drinking water, without waste

Hacker News Top · 2026-06-05 Cached

Researchers at the University of Rochester developed a solar-thermal desalination method using laser-etched black metal that efficiently produces fresh water without chemical additives and transforms leftover salts into useful materials, avoiding brine waste.

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#coffee-ring-effect

New solar desalination breakthrough makes fresh water without toxic brine

Hacker News Top · 2026-05-31 Cached

Researchers at the University of Rochester have developed a solar-powered desalination system using femtosecond laser-textured black metal that efficiently produces fresh water from seawater without generating toxic brine waste, addressing key environmental and operational challenges.

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