The biggest scientific breakthroughs of the last 25 years—and a few to watch

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...
IEEE

Synthesis of Cosecant-Squared Pattern With a Compact Linear Array Using the Extended Method of Maximum Power Transmission Efficiency

Abstract: The conventional sector beam antenna array used in communication system suffers from the reduced signal strength as its distance to the receiving terminal gradually increases. In response to ...
NBC News

What we know about the Washington, D.C., shooting of two National Guard members

Two National Guard members were shot in broad daylight on Wednesday — allegedly by an Afghan national who once assisted U.S. forces — in what officials described as a “targeted” attack just blocks ...
IEEE

Design of a Microstrip Line Fed SIW Ring Antenna With Sixth-Order Circular Polarized Conical Pattern

Abstract: This paper presents the design of a microstrip line-fed substrate-integrated waveguide (SIW) ring antenna designed to excite a sixth-order circularly polarized conical radiation pattern.