So, you’re looking to get better at coding interviews, huh? Maybe you’ve heard about LeetCode and feel a bit lost. It’s ...

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 ...

Before wrapping up their first flight day, the crew of Artemis 2 pulled off another feat of NASA in-flight troubleshooting: fixing their broken toilet. It might not rank as NASA’s no. 1 triumph, or ...

Sometimes, when solving a problem, two heads are better than one. Unfortunately, when dogs are involved, that’s rarely the case! Two Golden Retrievers recently lost their tennis ball in the pool, and ...

Netflix has plenty of great original sci-fi hits in its library, and while Stranger Things may be the first one that comes to mind, one of its biggest new breakout entries in the genre was 3 Body ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. It once seemed a bit up in the air if Netflix would actually renew 3 Body Problem, a series ...

U.S. Treasurer Brandon Beach holds one of the last pennies pressed at the U.S. Mint in Philadelphia on Nov. 12, 2025. (Matt Slocum/AP) Editor's Note: This is an excerpt from WBUR's daily morning ...

Andy is a seasoned technology journalist with more than 15 years experience in the mobile industry, writing for Digital Trends, Wired, and more. During that time he has reviewed hundreds of ...

Abstract: The dual-function radar and communication (DFRC) system addresses the problem of radio frequency congestion. Sparse arrays can reduce system cost and increase array aperture by constructing ...

A version of this story appeared in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free here. The annual World Economic Forum confab known as Davos has always had an optics ...