Transparent insulating aerogel brewed up from beer by-product

Made up of over 90 percent air by weight, aerogels are the lightest materials in existence and among the best thermal insulators. But their cloudy appearance means they don't lend themselves well to windows, which are one of the worst offenders for letting heat escape a building. Now, researchers at Colorado University Boulder have found a way to make them transparent, recycling a beer by-product in the process... Continue Reading Transparent insulating aerogel brewed up from beer by-product Category: Materials Tags: Aerogels Beer Boulder cellulose Insulation Insulators Materials Smart windows Thin Film University of Colorado