Yes, Uhlmann had unknowingly discovered the same equations three years earlier in another context.
Uhlmann followed the news especially closely because he and his colleagues had discovered an invisibility cloak in 2003. The cloak was named one of the year’s top scientific achievements, and a video of a nearly invisible penny is posted on YouTube. The news rocked popular and scientific circles. Five months later the team had constructed a prototype. The recent scientific hubbub began in May when a team of American and British physicists, none affiliated with the UW, announced they had solved the equations for an invisibility cloak. Invisibility is a recurring theme in human legend, from Perseus’ helmet to Harry Potter’s cloak. “Who would have thought that people would be talking about invisibility in scientific terms?” said Gunther Uhlmann, the UW’s Walker Family endowed professor of mathematics.
Conjure up how to#
A cloaking device has set the mathematical community buzzing about how to make invisibility not just possible, but practical. An object hidden in the middle of the cloak would be unseen from any direction.Įvery child’s dream of becoming invisible leaped forward last year toward becoming a reality. As waves hit the left side of the cloak they start to bend, so that waves leaving the cloak on the right appear as if they had never encountered an obstacle.
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