This solar-powered desalination device turns seawater into drinking water, can also extract lithium

Jun 01, 2026 - 16:16
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Solar-powered desalination device turns seawater into drinking water and extracts lithium using superwicking black metal.

The work, led by Chunlei Guo, a professor of optics and physics, centers on a specially treated surface known as superwicking black metal. The material is created by texturing a metal surface with femtosecond laser pulses, altering its structure at microscopic scales. This process gives the surface two key properties:...

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Christopher Holloway

Christopher Holloway is the founder and director of Progressive Robot, a UK-based technology company. A full-stack engineer with more than two decades of experience, he works across PHP development, ecommerce, Linux infrastructure, technical SEO and AI automation, and writes here on technology, AI, hardware and software.

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