Air flow research (IMAGE) Texas A&M AgriLife Communications Caption Maria King, Ph.D., director of the Texas A&M Center for Agricultural Air Quality Engineering and Science, watches on as simulated virus aerosol passes through a laser sheet that uses a high-speed camera to image and track the movement of the particles. (Texas A&M AgriLife photo by Michael Miller) Credit (Texas A&M AgriLife photo by Michael Miller) Usage Restrictions No restrictions. License Public Domain 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.