Nanocolumns Allow Material to Shift Color in Response to Magnetic Field (image) North Carolina State University Share Print E-Mail Caption Inspired by the flashing colors of the neon tetra fish, researchers have developed a technique for changing the color of a material by manipulating the orientation of nanostructured columns in the material. Credit Zhiren Luo, NC State University Usage Restrictions Image credit must be given. Share Print E-Mail 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.