Turbine Closeup (IMAGE) Johns Hopkins University Caption In wind tunnel experiments at Johns Hopkins, air currents pass through a series of small model wind turbines mounted atop posts, mimicking an array of full-size wind turbines. Credit Will Kirk/JHU 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.