This evening and early part of the night will see further spells of rain moving in. Rain clearing later in the night leaving it dry and partly cloudy. Easing winds. Tuesday Tomorrow will start partly ...

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 ...