It’s no secret that many of us are not too fond of mathematics and geometry, and that it is often too complex. But even so, it can be pretty mind-blowing to look back in history and discover the ...

Neste artigo, apresenta-se a evolução das ideias sobre a quarta dimensão espacial, partindo daquelas que surgem da geometria euclidiana clássica e abordando, em seguida, as que resultam do âmbito das ...

Microsoft is a terrific growth stock with an excellent dividend program. Johnson & Johnson and Coca-Cola are both outstanding dividend payers. However, neither has the high-growth outlook that ...

Walmart's low prices make it a go-to during recessions when people are cutting back on spending. Johnson & Johnson sells consumer health products that many people don't cut back on when adjusting ...

Abstract: In this letter, a novel design concept to achieve a low-cost wide-angle beam-scanning transmitarray (TA) using lens-loaded patch (LLP) elements is presented. In this design, each TA element ...