Abstract: The capacity of multiple-input-multiple-output (MIMO) systems has long been constrained by the aperture’s limitations on degree of freedom (DOF). Inspired by transformation optics, this ...

New research from the University of St Andrews paves the way for holographic technology, with the potential to transform smart devices, communication, gaming and entertainment. In a study published in ...

Raf Freire does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Abstract: Achieving high-efficiency beam-steerable low-profile mm-wave array antennas has become particularly relevant for the advancement of modern communication systems. A completely novel passive ...

As far as taking care of my body goes, I'm not exactly low maintenance. I regularly lift weights and try to get in pilates when I can, and I aim to eat a balanced diet. But in spite of this, I still ...

Researchers from Johns Hopkins University have identified three subtypes of senescent skin cells with distinct shapes, biomarkers, and functions -- an advance that could equip scientists with the ...

When most people think of shapes, they imagine a triangle, a rectangle, or maybe even a fancier-sounding rhombus or trapezoid. But to mathematicians, shapes encompass a vast universe of surprising ...

John Etnyre receives funding from the National Science Foundation and the Elaine M. Hubbard Distinguished Faculty Award When you look at your surrounding environment, it might seem like you’re living ...

We may receive a commission on purchases made from links. These days, when you hear "Swiss Army Knife," you immediately think of a handy folding contraption that includes multiple items that you can ...