Abstract: A fast analysis method for large finite arrays is proposed, which directly employs the near-field Huygens surface data of an isolated element instead of its full structural model. By ...

Abstract: To address the critical challenge of difficult collaborative optimization of bandwidth, oblique incidence stability, and profile thickness in single-layer absorbing metasurfaces design, this ...

Houthi military spokesman Yahya Saree. The Houthis have launched dozens of drone attacks and a handful of missile attacks in the first half of September, including a drone that struck Ilan and Asaf ...

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

Cognitive distortions involve negative thinking patterns that aren’t based on fact or reality. You can help change these thinking patterns to promote your mental well-being. “I have the worst luck in ...

Once a century, a very special day comes along. That day is today — 9/16/25. Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.

President Trump on Monday night announced tariffs of 10% on softwood timber and lumber alongside a 25% tariff on "certain upholstered wooden products" due to take effect on Oct. 14, according to the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...