Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...

Abstract: In this letter, we propose a 2 × 2 array antenna capable of 3-D beam-steering and operating frequency adjustment. Each element consists of a patch antenna and a narrow-width I-shaped stub, ...

It can be easy to confuse the two, but there’s a difference, and it has to do with your internet speeds. Joe Supan is a senior writer for CNET covering home technology, broadband, and moving. Prior to ...

It looks like the sizzling temperatures Jacksonville experienced over the weekend were just preheating the oven. The real scorcher starts today — and will continue through Tuesday. The National ...

The number of osteopathic doctors has increased dramatically. People still don’t know what they are. By Teddy Rosenbluth By most measures, osteopathic medicine is a profession in its prime. The number ...

Many investors use size and style indices to construct their US equity portfolios, but there are significant differences in the way different index providers define large-/mid-/small-cap stocks and ...

Allegra-D and Allegra Hives are over-the-counter (OTC) medications used to treat allergy symptoms. Both drugs belong to a drug class called antihistamines. Although Allegra-D and Allegra Hives treat ...

Vitamin D supplements might slow cellular aging by preventing the loss of telomeres, DNA sequences at the ends of chromosomes that shorten in old age, a new study suggests. The health effects of these ...

Bash scripting is often seen as a convenient tool for automating repetitive tasks, managing simple file operations, or orchestrating basic system utilities. But beneath its surface lies a trove of ...

The three main differences between index funds and mutual funds are management style, investment objective and cost. Index funds tend to be the clear winner over the long term. Many, or all, of the ...