What's Going on Over There?

Paint created by Shulin Ruan, a medical engineer from Purdue University. Tested over two days by painting an entire building in this super-white paint. During hottest part of day, the surface covered in this paint was cooler than the surrounding airby 3.06 degrees Fahrenheit or 1.7 degrees Celsius. It also says that at night, the surfacecovered in this reflective white paint was a whole 18 degrees Fahrenheit or 10 degrees Celsius cooler to the surrounding air.