Quadcopter (IMAGE) University of Colorado at Boulder Caption CU Boulder researcher John Darcy flying the quadcopter near a field site in Peru in 2015. Credit Steve Schmidt / University of Colorado Boulder 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.