Honeycomb Catalyst (image) Swiss Federal Laboratories for Materials Science and Technology (EMPA) Share Print E-Mail Caption This honeycomb catalyst from a racing car was the trigger which gave the Empa researchers the idea of developing the Foamcat. A small area of the monolith has melted, but neighboring areas are almost unused, indicating that the exhaust gas flow is poorly distributed through the device. Credit Empa Usage Restrictions None 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.