If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

Abstract: Time Modulated Uniform Circular Arrays (TMUCA) can produce Orbital Angular Momentum (OAM) modes using relatively inexpensive hardware. For enhanced spectral efficiency in line-of-sight links ...

Abstract: In this paper, we propose a novel distortion calibration algorithm for uniform circular array (UCA) based on its special structure. A near-field calibration antenna, located in the center of ...

New Scientist Book Club has been reading Alex Foster’s debut novel, Circular Motion, in which he charts what would happen if Earth’s rotation sped up by not just a millisecond, but a minute, or an ...

A striking composition where swirling colors wrap around a circular frame, creating a sense of movement and energy within a balanced, enclosed space. Crime sparks state of emergency in New Mexico: ...

Find more clues, hints, and info below.

A rack and pinion steering system consists of a pinion (a circular gear) with a rack (a linear gear). The system works by converting a revolving motion into linear motion. Most cars, small trucks, and ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to give ...

Free Fall This dataset was created by dropping an object from multiple heights and recording the time of fall. Objective: Determine the acceleration of gravity. Static friction The experiment was ...

A Suffolk MP has formally backed a Reform-led motion calling for the mass deportation of illegal migrants. Patrick Spencer, Independent MP for Central Suffolk and North Ipswich, has backed a motion ...