Pollutant Microsensor (IMAGE) Georgia Institute of Technology Research News Caption Photograph of the microsensor chip with four disk-type microresonators in the center. The size of the chip is 3.5 millimeters by 3.5 millimeters. Credit Gary Meek 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.