Scientists from the University of Lyon have discovered a new way to split hydrogen gas from water, using rocks. The method promises a new green energy source, providing copious hydrogen from a simple mixture of rock and water. It speeds up a chemical reaction that takes geological timescales in nature. In the reaction, the mineral olivine strips one oxygen and hydrogen atom from an H2O molecule to form a mineral called serpentine, releasing the spare hydrogen atom. The results were discussed at...
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