A team of MIT researchers have observed that when salty water evaporates from a heated, superhydrophobic surface the crystal structures that form can easily be removed or roll away on their own. This phenomenon could make it possible to use brackish or salty water, without any pretreatment, rather than relying on freshwater sources, for cooling systems in power plants. (Learn more: https://news.mit.edu/2021/salt-metal-... )

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