U.S. researchers say that for the first time they have succeeded in using materials to make a three-dimensional object "invisible," although they are quick to note that the effect is limited to incoming microwave light.
Scientists at the University of Texas in Austin say the technique uses plasmonic materials to present a "photo negative" of the object being made invisible, effectively cancelling it out.
The technique makes objects invisible only to light in the microwave region of the electromagnetic spectrum -- the object remains visible to the human eye.
Reports say the concept, which has been outlined in the "New Journal of Physics" periodical, could find its first application in high-resolution microscopes and could also be used by militaries to camouflage objects from being detected by radar.
compiled from agency report
Scientists at the University of Texas in Austin say the technique uses plasmonic materials to present a "photo negative" of the object being made invisible, effectively cancelling it out.
The technique makes objects invisible only to light in the microwave region of the electromagnetic spectrum -- the object remains visible to the human eye.
Reports say the concept, which has been outlined in the "New Journal of Physics" periodical, could find its first application in high-resolution microscopes and could also be used by militaries to camouflage objects from being detected by radar.
compiled from agency report
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