A federal appeals panel has ruled that a California law prohibiting open carry of firearms in heavily populated counties is unconstitutional. The ruling was issued Friday by two judges on ...

President Donald Trump has held a news conference to explain a U.S. raid on Venezuela to extract President Nicolás Maduro and ...

Abstract: The common indicators of synthetic aperture radar quality evaluation includes spatial resolution, peak side lobe ratio and integrated side lobe ratio, which are calculated by the impulse ...