Think you’ve got sharp eyes and solid logic skills? A deceptively simple lineup puzzle is making the rounds—and it’s frustrating far more people than you’d expect. The challenge looks easy at first ...

Abstract: In this letter, a high-gain, high-order-mode patch antenna array based on a single-layer ridge gap waveguide (RGW) is proposed for 60 GHz applications. The antenna consists of a substrate ...

President Donald Trump plans to announce an executive order on Wednesday directing the U.S. Department of Defense to buy electricity from coal-fired power plants. The order, first reported by The Wall ...

Abstract: Partial shading significantly affects the performance and efficiency of photovoltaic (PV) arrays, leading to mismatch losses (MLs) and reduced energy output. This research proposes a novel ...