In the late 1990s, the U.S. Air Force, NASA, and Lockheed Martin studied the X-44 MANTA—a tailless, delta-winged concept that ...

Maybe the best tail is no tail at all provided your engines and algorithms are good enough. That heresy, embedded in the late ...

Cubic targets military satcom market with ‘Vector’ terminals Cubic Defense targets military satcom market with ‘Vector’ terminals ...

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China and Russia have a long, complicated history together, marked by periods of both cooperation and fierce strategic rivalry. The neighbors have strengthened ties over the past decade, but some ...

Abstract: In digital holography, the sampling of the object wavefront is determined by the spatial resolution of the image sensors, which limits the angle range of the object wavefront. In this letter ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes. Aa Aa ...

Abstract: In this paper, a digital three-dimensional acoustic vector sensor system is proposed to enhance the frequency response flattening and noise handling performance through advanced signal ...

Background: Central obesity is closely linked with increased metabolic risk, systemic inflammation, and adverse outcomes. Bioelectrical impedance analysis (BIA) provides phase angle (PhA) and ...

1 School of Psychology, Qufu Normal University, Qufu, Shandong, China 2 College of Sports Science, Qufu Normal University, Qufu, Shandong, China Post traumatic stress disorder (PTSD) is a severe ...