A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two ...

Abstract: This article presents the design of a dual-lens beamformer in multilayer printed circuit board (PCB) technology. The proposed lens is implemented in a dielectric parallel-plate waveguide ...

Abstract: The parallel-plate waveguide with a two-layer loading medium, a conducting semiconductor substrate, and a relatively thin dielectric layer approximates the interconnections in many ...

Nicholas Kristof offered options as to how NATO can deal with Putin testing the alliance after Russian drones flew over Poland. (On September 13, a Russian drone also flew over Romanian air space.) ...

Following Federal Railroad Administration (FRA) approval in April and launch of Phase 1 in June, Parallel Systems, in partnership with Genesee & Wyoming (G&W), has transitioned to Phase 2 of its first ...

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COGS is found between revenue and gross profit on income statements. Investors calculate COGS by summing direct costs of sold products or services. Understanding COGS helps assess a company's ...

All eyes are on the chip maker as it prepares a full-court press into a new process technology, spearheaded by chips for laptops, as well as for the data center. Here's the download on what's new in ...