The ability to tune the resonant frequency of a metamaterial in the terahertz region will help to overcome some of the limitations of customary designs demonstrated so far. The result could be a new breed of active, frequency-agile devices that are controlled by light.
AP - The plan was nothing if not audacious: A turncoat persuades rebels to bring together their most prized hostages and march them 90 miles through Colombia's wilderness. A month later, disguised commandos primed with acting lessons land in a helicopter and trick the rebels into handing them over.
Reuters - The investigation of a salmonella
outbreak in the United States is shifting to the southern
border to encompass produce imported from Mexico, CNN reported
on Thursday.
