Ferris Hall is an unassuming brick building on the edge of the University of Tennessee’s College of Engineering campus and home to the Department of Materials Science Engineering. There, Drs. Ramki Kalyanaraman and Gerd Duscher have opened the door to applying the magic of Hogwarts to military camouflage, cancer treatment or even Halloween costumes for a new generation.

It’s not a magic wand or a witch’s hat. It’s a cloak of invisibility.

And its discovery was an accident.

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