Moving Particles Screenshots (IMAGE) Penn State Caption Using the new method, the researchers gather the particles of interest into an organized structure at the point of light. When the light is moved to a new location, the particles move toward the new point of light, as depicted in these video screenshots. Credit Sen Lab, Penn State Usage Restrictions Credit must be provided. 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.