The material had been developed by Coskun Kocabas, a professor of 2D device materials at the University of Manchester and the National Graphene Center. In 2019, Vollebak approached Kocabas and proposed a collaboration to try and develop the technology further into something that could eventually resemble an invisibility cloak. “When we first started the project, we thought we might have it done in three months,” says Tidball.
Unlike the physically impossible approach discounted in 2016, this technology is based on graphene layers. “That’s the unique material that enables us to create these tunable optical surfaces,” says Kocabas. The jacket—made up of 42 panels of graphene around 5 centimeters square that are attached to the outside of a jacket—is controlled by the electron density of the material.
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