Freeze-dried foam absorbs CO2

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With climate change an ever-increasing concern, scientists have been working to develop new materials that can aid the fight by ridding the environment of pollutants, such as carbon dioxide, that contribute to global warming. We have recently seen innovative pollution-fighting materials that range from an absorbent bikini that may help rid the ocean of pollutants to a smog vacuum that can turn pollutants into jewellery. Now, materials scientists in the Ajayan Research Group at Rice University, led by Dr. Pulickel Ajayan, have create a lightweight foam that absorbs CO2. The foam is made from two-dimensional sheets of hexagonal-boron nitride (h-BN).…

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