Ultra-Light Robotic Insect (1 of 2) (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption An untethered model that is fully wireless and autonomous, weighing less than 1 gram and carrying its battery and all electronic components on its back. Credit EPFL 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.