Polarization Visual (IMAGE) Hiroshima University Caption Polarization filters light so that it vibrates in one direction. Credit Masako Hayashi, CORE-U, Hiroshima University Usage Restrictions Image may only be used with appropriate caption or credit. 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.