Abstract: This paper investigates the codebook design for the novel parallel dynamic subarrays for millimeter-wave (mmWave) massive MIMO systems. To generate high-resolution patterns, we design a ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Abstract: In this study, we propose a multiple-input multiple-output (MIMO) monopole antenna with an upperhemisphere beam steering function. The weight functions of the subarrays are derived to ...

Meet The Baroness, the longest wild snake on record in Sulawesi, Indonesia, measuring over 23 feet! Key detail in Bad Bunny’s Super Bowl outfit raises questions — "disappointed" 'You are fired': White ...

She's more than 23 feet long, and verified by Guinness World Records. Snake rescuer Budi Purwanto runs a shelter for rescued pythons. He saved the record-breaking snake Ibu Baron, a name which means ...

World records are spectacular by nature, a performance better than anything previously produced. But some world records hold iconic status, thanks to their durability. For example, distance-freestyle ...

Feb. 3 (UPI) --A 90-year-old English teacher in Michigan was awarded a Guinness World Record for her 67-year career in the classroom. Beverly Hannett-Price, who teaches English at Detroit Country Day ...

It is so cold in New York, igloos are popping up in Manhattan. And it’s only going to get worse as a bomb cyclone arrives — pushing the wind-chill temperatures Sunday as low as a deadly minus-15 ...

When we think of tentacled animals, we usually think of marine creatures. But many other species have them too. For example, the eyestalks of slugs and snails are actually specialised types of ...