Penguin from Oil Droplets (IMAGE) Penn State Caption An image of a penguin reflected from oil in water droplets; images of each type of droplet reflecting the blue and green light are shown. The penguin is made by using a light responsive surfactant and photopatterning the droplet shape. Credit Zarzar laboratory, Penn State 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.