Microneedle tatoo (IMAGE) Georgia Institute of Technology Caption A magnified view of a microneedle patch with green tattoo ink. Credit Georgia Tech Usage Restrictions None but embargoed until 9/14 11 a.m. ET License Original 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.