SolCold's nanotech coating is a potentially game-changing electricity-free solution for cooling buildings or equipment in intensely sunny climates

An Israeli start-up wants to turn the heat of the sun into a refrigerating substance and raises money for it. Wait, what?

SolCold develops materials that, aided by the wonders of electrophysics and chemistry, use sunlight to reduce the temperature of a surface by up to 20 degrees Celsius

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