Hummingbird Robots: Naturally Intriguing (VIDEO) Purdue University This video is under embargo. Please login to access this video. Caption Purdue researchers have created a bio-inspired hummingbird robot: Trained by artificial intelligence, weighing only 12 grams, and utilizing unsteady aerodynamics to hover, just like the real thing. Credit Purdue University video/Jared Pike 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.