Abstract: A novel higher-dimensional definition for Costas arrays is introduced. This definition works for arbitrary dimensions and avoids some limitations of previous definitions. Some non-existence ...

Abstract: A novel type of four-dimensional array based on phase modulation technique named phase-modulated arrays (PMAs) is proposed in this letter. The antenna elements of PMAs are modulated by an ...

Almost one in three children in Bangladesh are living in multidimensional poverty, according to new findings released by the General Economics Division (GED), with support from UNICEF and the European ...

It all began with awe—the kind that leaves you quiet. Not from reading headlines about artificial intelligence, but from watching it in action. I’ve spent the better part of the past few years ...

Researchers have developed a sensor array design technology inspired by the human auditory system. By mimicking the human ear's ability to distinguish sounds through tonotopy, this innovative sensor ...

In mid-July at the construction site at 1 Java Street in Brooklyn, New York, the outside temperatures can reach sweltering highs in the 90s. But 500-feet underground, it’s 55 degrees all year round.

The Biden administration has Dissociative Identity Disorder (DID), defined as “a rare condition in which two or more distinct identities, or personality states, are present in—and alternately take ...

The largest solar arrays operating in the United States are located in the kinds of sunny states you would expect—five in California, four in Texas and one in Arizona. But a project that began ...