SMRTR Science & EngineeringJul 14, 2026Interesting Engineering

Seawater holds enough lithium and magnesium for the next 50,000 years, scientists say

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US researchers at the Pacific Northwest National Laboratory are developing technology to extract critical minerals like lithium and magnesium from seawater. They built a reactor that produces high-purity magnesium hydroxide, with one California facility potentially yielding over three times the nation's current daily needs, reducing reliance on imports.

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