Have you ever made yarn tassels? It's such an easy thing to do and one of the very first diy crafts a lot of us came into ...

Abstract: This paper primarily introduces the vortex wave radar based on a circular frequency diverse antenna (FDA) array and analyzes the research on the propagation distance and patterns of vortex ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Abstract: In this paper, circular area movement optimization (CAMO), a novel global search algorithm, and its hybridization with the pattern search method (PSM) are proposed to solve the multimodal ...