Optical antennas are the short-wavelength equivalent of the common radiofrequency structures. Taking this analogy one step further, the design concepts of radiofrequency lumped circuit elements can effectively be transplanted to optical wavelengths.
Minneapolis and St. Paul police hope to quell any disruptions at this summer's Republican National Convention by exchanging cell phone numbers and offering other olive branches to demonstrators.
AFP - White House hopeful Barack Obama fired back at Republican foe John McCain in a new row over Iraq, as his Europe and Middle East tour Friday took him to France, after a massive campaign event in Berlin.
