Researchers from the US and UK designed a cloak that prevents microwaves from detecting objects. You still can see the object, but in the microwave spectrum its invisible.
At the Wired Nextfest 2004 a Tokyo University project showed a more impressive solution, but it requires a video camera and a special lens. Cloaking uses a special metamaterial (see photo above) to deflect the microwaves around the object inside.
The research work is reported in a paper in last Friday's issue of the Science Magazine.
More details in this AP story on Yahoo!. (Thanks Michael C.) Photo by Reuters.
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