Bacterial Wake (video) American Institute of Physics Loading video... Caption Enabled by the birefringence of liquid crystal, motion of 24nm thick bacteria flagella now is easily visible using a simple polarizing microscope. Credit S. Zhou, A. Sokolov, O. Lavrentovich and I. Aranson Usage Restrictions This video may be used only with appropriate caption and credit. 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.