Economic Times•Business•2 సెప్టెంIn 2023 Cuhk Researchers Milled Glass Bubbles For 5 Minutes Before Mixing Cooling Paint Solar Reflectivity Rose From 75 8 To 95 8 During Field Tests At NoonCooling a building without using electricity may seem far fetched, but over several years, a research team at the Chinese University of Hong Kong (CUHK) has shown that a coat of paint can provide a surprising amount of cooling. Radiative cooling has been used