IEEE

Phased Array Featuring Independent, Simultaneous Beamsteering for Widely Separated mmWave Dual-Band Using Compact, Low-Loss, Selective Coupler

Abstract: This article introduces a new concept of a phased array that can independently and simultaneously perform beamsteering across two frequency ranges: a lower band encompassing 24 GHz and a ...
IEEE

Low Cross-Polarization Level Circularly Polarized Phased Arrays Using a Spiral Sequential Rotation Technique

Abstract: This letter introduces a novel subarray-configuration method of n × m spiral sequential rotation (SSR) to achieve low cross-polarization level (XPL) and low sidelobe level (SLL) over wide ...
pv magazine International

Researchers find sodium-ion batteries using hard carbon anodes can intrinsically charge faster

Researchers from the Tokyo University of Science (TUS) have found that sodium-ion batteries (SIB) using hard carbon (HC) anodes can charge faster than lithium-ion batteries (LIB), challenging ...
NBC News

Average home heating costs could hit $1,000 this winter. Here's why.

For many people in the U.S., this winter is getting colder — and staying warm is getting more expensive. Nationwide, the December average temperature is expected to be 8% colder than the average ...