Robotic Arm Probes Rrregularly Shaped Objects (image) Georgia Institute of Technology Share Print E-Mail Caption Facundo Fernandez (left) and Rachel Bennett, use a robotic arm to probe objects with irregularly-shaped surfaces for mass spectrometry. Credit Rob Felt. 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.