ABSTRACT: We implemented a two-step Asymmetric Perfectly Matched Layer (APML) model in High-Order Finite Difference Time Domain (FDTD) algorithm for solving two-dimensional Maxwell’s equations.

Don’t have a lot of money to build a new layout? Perhaps you have a lot of odds and ends in your scrap box and want to put them to use. These “cast-off” items, along with common hardware materials, ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

A quiet revolution changed the toy train industry in the 1930s. Firms aimed to introduce more realistic products. Advances in the die-casting of metals and the compression-molding of plastics shaped ...

The Naval Surface Warfare Center, Crane Division, the naval laboratory and a field activity of Naval Sea Systems Command, held Silent Swarm 2024 from July 15 to 26 at the National All-Domain ...

ATLANTA — When Nathanael was in kindergarten, he told his mother, Diana Lopez, that he did not want to return to school — ever. His teacher yelled at him, he said. And when Lopez picked him up from ...

An electromagnetic clutch is a device that controls power and rotary movement using electromagnetic force generated by its energizing coil. It plays an important role in controlling the power of ...

Naval Surface Warfare Center Crane Division is seeking electromagnetic spectrum operations capabilities that are in the early stages of development and has issued a request for submissions for the ...

The Naval Surface Warfare Center Crane Division tested emerging electromagnetic disruption equipment developed by civilian contractors in Alpena, Mich. during Exercise Silent Swarm 2023. (U.S. Army ...