Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

Master iPhone night photography with tips on blue hour, composition, and Night mode. Capture stunning, professional-quality ...

Breaking from traditional proposals, this aviator, who has loved flying since 2007, plotted a course to inscribe his proposal onto the canvas of the sky. "I wanted to do something different, something ...

Abstract: In this paper, we propose a target detection method for high-frequency hybrid sky-surface wave radar (HF HSSWR) based on time reversal (TR), aiming to address the challenges of detecting ...