Abstract: The proliferation of unmanned aerial vehicles (UAVs) has raised significant security and surveillance challenges, necessitating high-precision direction-finding (DF) techniques for effective ...

Abstract: Shipborne high-frequency surface wave radar (HFSWR) has been widely studied due to its good maneuverability and great advantages in maritime detection and monitoring. However, due to the ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

Optical illusion puzzles have been fascinating and an engaging activity that have captured the interest of people for centuries. These puzzles are famous because they reveal how the brain processes ...

MADRID — Blanket draped over her shoulders and a bandage on her cheek, Ana García issued a desperate plea: she needed help finding her dog, Boro. Hours earlier, 26-year-old García and her pregnant ...