Color Coatings on Paper (IMAGE) Harvard University Caption Behind the scenes in the Center for Nanoscale Systems, Mikhail Kats (Ph.D. '14) demonstrates the fabrication process for ultrathin coatings that shine in vivid colors. Kats and Prof. Federico Capasso have shown that these interference effects work on rough materials like paper. Credit Eliza Grinnell, Harvard SEAS. Usage Restrictions Editorial use only 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.