Brownian Motion (IMAGE) University of Gothenburg Caption A particle in Brownian motion that explores a random landscape created by a pattern of light known as a speckle pattern. Speckle patterns form when light meets an uneven surface. Credit Illustration: Laura Perez Garcia 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.