The physical process and mechanism of plasma shielding effect on high-power microwaves are determined. The results suggest that large gaps between the plasma columns weaken the absorption and ...

During US Army Pacific's recent war games in Hawaii, those lessons were put to the test as soldiers focused on how to be "small and undetectable" in the electromagnetic spectrum, an airborne ...

UV light writes the Chinese character for “light” on treated paper, which then gets erased after irradiation with visible light. A soldering iron then makes marks on treated paper that are ...