Abstract: In this communication, a wideband folded configuration for generating orbital angular momentum (OAM) vortex beams is presented. The Bessel beams OAM generator consists of a circularly ...

Roof beam installation is set to begin on a new HS2 structure. The work will take place on the M42 ‘twin box’ near Solihull, with trains running above and traffic passing below. A total of 175 ...

Thomas Tuchel’s side have had to wait nearly a week to play their first group game and will be eager to make a strong first impression to take control of Group L. 60 years on from their first and only ...

Abstract: The simultaneous optimisation of beam hopping and power allocation is a crucial technique for enhancing the performance of Multi-Beam Satellite (MBS) systems. However, the previous joint ...

Driving after dark used to be a haven. Late at night, there’s no rush-hour traffic, just the meditative hum of the passing miles. But these days, my eyes can’t take it anymore. Even on a lonely road ...

U.S. Senator Michael Bennet and Colorado Attorney General Phil Weiser say they know serving as Colorado’s next governor means representing more than just the populous Front Range. The two Democrats ...