Abstract: The design of arbitrary-shaped planar phased arrays arranged on a triangular grid is explored through an innovative approach using uniformly fed tiles of various sizes and shapes, guided by ...

The Army last week announced that it was turning its last remaining “square” divisions into “triangular” divisions. In plain English, a “square” division is made up basically of four infantry ...

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Geneva-based Laurent Jolliet practices a rare craft: chain making. Without computers or binocular microscopes, the artisan ...

In Guatemala’s presidential runoff in August 2023, political outsider Bernardo Arévalo de León won 58 percent of the vote, beating establishment candidate and former First Lady Sandra Torres. The ...