621762 external_news 1558116234 1558116425 Materials that can change colors (with the help of some electric current) have applications ranging from the military and manufacturing to construction and clothing. The problem has been getting those materials to change from completely clear to a variety of colors, and then back to clarity. Science could never get rid of a bluish tint when the material changes back to clear. But new research from a team led by John R. Reynolds, a professor with joint appointments to the School of Chemistry and Biochemistry and the School of Materials Science and Engineering, may have serendipitously discovered how to achieve that elusive crystal clarity.

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