Aerogels (IMAGE) American Chemical Society Caption Aerogels, a super-lightweight solid sometimes called "frozen smoke," may capture oil from wastewater and soak up environmental oil spills. Credit Wikipedia Commons Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.