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Keeping cool with tiny beads

Microcapsules containing sodium carbonate solution are suspended on a mesh during carbon dioxide absorption testing. The mesh allows many capsules to be tested at one time while keeping them separated, exposing more of their surface area. Credit: John Vericella, Lawrence Livermore National Laboratory.
Researchers in the USA have found a simple way to remove carbon dioxide – a gas, or a special type of air – out of the air around us. Carbon dioxide is also [...]

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