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Scientist Discover How to Convert CO2 into Powder That Can Be Stored for Decades
(www.scientificamerican.com)
This is a most excellent place for technology news and articles.
Yeah, this article seems enamored with the idea that the researchers came up with the idea, but doesn't actually explain how they are doing it at all.
The published study describing their math and method is linked in the article: https://www.sciencedirect.com/science/article/pii/S266638642300485X