Abstract: This letter outlines a systematic approach for the design of a quad-port circularly polarized (CP) multiple-input–multiple-output (MIMO) ring dielectric resonator antenna (DRA) characterized ...

Abstract: To address the issue of backward wave-induced instability in traveling-wave tubes (TWTs), this letter proposes a graphene metasurface absorber (GMA) for backward wave absorption. The ...

Jan 28 (Reuters) - The U.S. Marshals Service said it is investigating a possible hack of U.S. government digital-asset accounts, Bloomberg News ‌reported on Wednesday, citing an email from the agency.

Authorities are investigating the social-media platform’s role in deepfake images and alleged foreign interference in French politics. The company is targeting a global network employed by hackers and ...

Saman Zonouz receives funding from the Department of Energy Office of Cybersecurity, Energy Security, and Emergency Response (DOE CESER) and the National Science Foundation (NSF). The darkness that ...