Purdue University Drone Technology (IMAGE) Purdue University Caption A Purdue University researcher has come up with a patented design for drones, or unmanned aerial vehicles, that works in windy conditions, is more energy efficient and can handle a larger payload. Credit Xiumin Diao/Purdue University 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.