New ion pump to extract lithium from seawater and slash salt levels by 50%
Researchers have reportedly devised a way to use a laser to fold sub-micrometer-thick glass sheets directly on a chip (Optica, doi: 10.1364/OPTICA.560597). Discovered by accident, the technique could enable the creation of microscopic and complex optical devices for data processing, sensing and experimental physics.
24 March 2026
The system uses ultra-thin metal layers to control ion flow in water.
Scientists have designed a revolutionary solution that could reshape desalination and water purification after making a membrane that can transport ions through water without relying on mechanical systems or chemical reactions.
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