Wang is now working on plans to adapt his device for higher frequency radiation, moving into the terahertz and eventually the visible part of the spectrum. (newscientist.com)
Most of us are used to the silvery Moon as it appears in the visible part of the spectrum to our eyes or in photographs made with optical telescopes (left). (scientificamerican.com)
Most research done with microwaves can not be generalized to the infrared or the visible parts of the spectrum. (discovermagazine.com)