Caterpillar Micro-Robot Sitting on a Fingertip (image) Faculty of Physics University of Warsaw Share Print E-Mail Caption Caterpillar micro-robot sitting on a finger tip. Credit Source: FUW Usage Restrictions Image may only be used with caption: Caterpillar micro-robot sitting on a finger tip. (Source: FUW) 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.