Digging Robots (IMAGE) Georgia Institute of Technology Caption Robots built in the laboratory of Professor Daniel Goldman at Georgia Tech dig 3D printed spheres that are designed to simulate the moist soil in which ants dig. Credit Rob Felt, 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.