If you’ve got a decent CRT monitor, you can usually adjust the settings to make sure the image scans nicely across the whole ...

IN an earlier paper1, we have described a new type of interferometer which has been used to measure the angular diameter of radio stars2. In this instrument the signals from two aerials Ax and A2 (Fig ...

Abstract: An artificial metalens manipulates the electromagnetic wavefront phase via deploying transmitted phase and amplitude of metasurfaces units, which exhibits excellent merits in beam steering ...