Micro-Bristle-Bot Shown Next to a Penny (IMAGE) Georgia Institute of Technology Caption A micro-bristle-bot is shown next to a US penny for size comparison. Credit Allison Carter, Georgia Tech 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.