Biofilm-Destroying Robots (image) University of Pennsylvania Share Print E-Mail Caption The biofilm-destroying robots are directed by magnets. The Penn researchers envision a variety of applications for the technology, from cleaning teeth to water pipes to catheters. Credit Geelsu Hwang and Edward Steager Usage Restrictions In context of reporting Share Print E-Mail 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.