METAMATERIALS. “One example developed by David Smith and then by John Pendry and David Schuri is of a material that can have its index of refraction tuned so that it can have a different index of refraction at different points in the material. If tuned properly this could result in an “invisibility cloak.””
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http://en.m.wikipedia.org/wiki/Programmable_matter
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022