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 ...

I pushed eight free AI chatbots to their limits, from writing stories to generating images, to build ZDNET's chatbot-by-chatbot guide to help you decide which is right for you.

The Coda W speakers are boxier to look at than the LSX II, which are more curvaceous. Unlike the LSX II, the Coda W have ...

When you hear the word, "debt," it's likely an immediate pit begins to form in your stomach. Debt means you owe money and if you don't pay it back, the balance you owe will grow even larger. But if ...

Seabirds at one of Oregon's most iconic spots have had a difficult year raising their chicks. Disturbing human behavior has only added to their struggles. Seabirds at Cannon Beach's Haystack Rock in ...