Abstract: A novel 3-D U-shaped meander-line (ML) slow-wave structure (SWS) is proposed for traveling-wave-tube applications. This 3-D structure has the potential to have a better performance than the ...

Morocco is the 2025 FIFA U-20 World Cup champs! They defeated Argentina 2-0 in the final on Sunday, October 19th. It was the first time Morocco has ever won the U-20 title. Keep reading for the full ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

SILCA, a brand synonymous with precision, polish, and performance, is taking its turn at reinventing the inner tube. The new SILCA Ultimate TPU Tube looks to redefine what riders expect from their ...

The S-70UAS U-Hawk is a modified UH-60L that removes the cockpit entirely to create an uncrewed, mission-flexible platform designed for logistics, support, and future air-ground teaming missions.

Sikorsky, a Lockheed Martin company, has unveiled the S-70UAS U-Hawk, a fully autonomous variant of the UH-60 Black Hawk designed to operate as a heavy-lift cargo drone. Developed in just ten months, ...

The sun's setting much earlier, which means the pressure's off to make plans, be active or do anything other than what you really want to do right now: eat soup. It's satisfying without being too ...

Chile and Mexico face off to start Round of 16 action in the FIFA U-20 World Cup. Host nation, Chile, eeked their way into the knockout rounds with three points, while Mexico finished in second place ...

10:12, Tue, Oct 7, 2025 Updated: 10:12, Tue, Oct 7, 2025 A new map has been designed for the London Tube, highlighting which stations have important features. It reinvents the iconic map to show ...

NEWPORT NEWS, Va., Oct. 06, 2025 (GLOBE NEWSWIRE) — A joint team from HII (NYSE: HII), Woods Hole Oceanographic Institution (WHOI), and the U.S. Navy’s Naval Undersea Warfare Center Division Newport ...