Plunged into darkness, with the loud hum of generators filling the streets, Kyiv residents are enduring a frigid winter marked by widespread power cuts and restricted water access during sub-zero ...

In a world fractured by uncertainty, India stands out for its policy consistency, paired with sustained ambition, points out Pritam Banerjee. Illustration: Dominic Xavier/Rediff Key Points 2025 will ...

Abstract: Reconfigurable intelligent surfaces (RISs), as ar-tificial electromagnetic structures with programmable electro-magnetic characteristics, have the potential to enhance the signals collected ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw affecting Broadcom VMware vCenter Server that was patched in June 2024 to its Known Exploited ...

Abstract: We consider the problem of maximizing sum rate on a multiple-antenna downlink in which the base station and receivers have multiple-antennas. The optimum scheme for this system was recently ...