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 ...

Simple Hacks for Daily Challenges!! Trump on brink of ground invasion in Iran as Saudi strongman makes astonishing pitch in secret call Why do women gain weight around the abdomen? Saudi King Faisal ...

Andrew Martinez is an assistant professor of economics at American University. He previously served as an economist in the Office of Macroeconomic Analysis at the US Department of the Treasury. His ...

Security researchers found hundreds of malicious add-ons on ClawHub. Security researchers found hundreds of malicious add-ons on ClawHub. is a news writer who covers the streaming wars, consumer tech, ...

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 ...

Tesla CEO Elon Musk said Thursday the company is planning to make its Optimus robots available for sale to the public by the end of 2027. Musk spoke at the World Economic Forum in Davos, Switzerland, ...

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Have you ever felt that your mobility challenges might prevent you from showing your love of country? If you’ve wondered how to express patriotism when walking, standing, or traveling has become more ...

As we age, our bodies conduct every action a bit slower: our daily walks become shorter, our endurance goes down, and our brains aren’t as sharp as they once were. It’s a shared experience among most ...