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, ...

Low-cost index funds are a great way to invest in the market, giving you a diversified fund with low expenses. Index funds are passive funds that track an established index, making changes only when ...

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 ...

Following the firing of head coach Matt Eberflus, several leaders and captains of the Chicago Bears are making their voices heard. Last Friday, the Bears made franchise history by firing a coach ...

Dara-Abasi Ita writes about trading and investing for Investopedia and Investing.com, and he is an editor at Lawverse magazine. He has written about financial topics, including private equity, asset ...

Stephen Badham works for Nottingham Trent University. He receives funding from ESRC: ES/V000071/1. We often assume young people are smarter, or at least quicker, than older people. For example, we’ve ...