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Scientists at the Technology, Education and Design (TED) conference in Los Angeles have demonstrated what is being hailed as breakthrough in the bid to make the invisibility cloak become a reality.
A small box made of calcite optical crystal was used to bend light around an object, making anything placed behind the box appear invisible to people watching the demonstration at the TED conference.
In this latest work, Smith and Landy created a surface with tiny corrugations that bend the radio waves in such a way that when the waves hit an object, they are bent around it, rather than reflecting or getting absorbed. The technique makes the object invisible to microwave sensors.
But for those wishing to make themselves disappear in front of friends or family, take note: the illusion only works at a certain angle.
The revolutionary new "inventions" coming out of civilian laboratories and corporations you see from time to time are about 35-60 years behind the military equivalent of these technologies.