Armored emulsions photo (IMAGE) University of California - Los Angeles Caption Armored emulsions, each about a half-millimeter in length and containing blue food coloring for visibility, developed by UCLA bioengineers and mathematicians. Credit Di Carlo Research Group/UCLA 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.