A lightweight metal-only partially reflective surface (PRS) is proposed to realize a fully metallic resonant cavity antenna (MRCA). This PRS comprises a 2D array of dual-layer unit cells where each ...

With its new $71 million expansion, EGA Spectro Alloys in Minnesota becomes one of only about 40 plants in the U.S. that can ...

Unusually large quantities of antimony - a metal used in batteries, chips and flame retardants - have poured into the United ...

FTC Chair Andrew N. Ferguson, issued a statement designating July as “Made in the USA” month. In his statement, Chair ...

The ornate iron gate is a stunning example of craftsmanship, blending cold forging and profile pipe construction to create a masterpiece that balances elegance, strength, and functionality. Designed ...

We propose a high-efficiency metal-only transmitarray using polarization rotation elements. The element comprises only three metallic layers, without dielectric substrate. By mirroring the ...