Abstract: In this letter, a wideband circularly polarized reflectarray composed of 30 × 30 unit cells is proposed to generate dual-mode vortex beams. The element consists of two back-to-back ...

Minimum height to loop the loop using conservation of energy. This video explains how gravitational potential energy converts into kinetic energy and why a precise starting height is required to ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

PITTSBURGH -- As soon as Baltimore Ravens kicker Tyler Loop kicked the ball, his head sank in despair. Loop knew immediately that his potential winning 44-yard field goal went wide right in Sunday ...

Abstract: This research proposes a system for detecting plagiarism in academic submissions. The system utilizes advanced text comparison algorithms to identify instances of plagiarism, ensuring ...