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Haven't scientists discovered that if you make a material that is reflective in visible and ultraviolet light yet dark in the infrared spectrum it will reflect the sun's light and radiate heat at the same time making it possible to be several degrees cooler than ambient temperatures?
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No. It's a frequency band in IR that is dependent on the atmospheric gases opacity or reflectance or something.
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https://en.wikipedia.org › wiki › Atmospheric_window
Atmospheric window - Wikipedia
An atmospheric window is a range of wavelengths of the electromagnetic spectrum that can pass through Earth's atmosphere. Learn about the role of atmospheric windows in astronomy, remote sensing, telecommunications and other science and technology applications.
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Currently, the coating is much thicker than paint and difficult to seal against the environment.