Foam (1 of 2) (IMAGE) Rice University Caption In one of two bubble-forming mechanisms discovered at Rice University, a bubble is split before entering a constriction by a neighboring bubble and the wall. The research is part of Rice's effort to understand the creation of foam for enhanced oil extraction and other purposes. Credit Biswal Lab/Rice University 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.