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 ...

Abstract: Parametric array loudspeakers (PALs) that utilize the phased array technique are receiving considerable attention because of their ability to electronically control and manipulate highly ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Cutting corners: The code looked harmless. A GitHub repository, a small freelance task, and a standard request sent over LinkedIn to a blockchain engineer: run this snippet, fix a few bugs, get paid.

Learn how to write the sum from a geometric series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n ...

This as-told-to essay is based on a conversation with Tejal Rives, 35, who lives in Arizona. The following has been edited for length and clarity. In October 2025, I read a news article that Amazon ...

OpenAI is releasing its first artificial intelligence model that runs on chips from semiconductor startup Cerebras Systems Inc., part of a push by the ChatGPT maker to broaden the pool of chipmakers ...

AI is already having a seismic impact on how software is written, with much of the grunt work of programming now performed by swarms of agents and subagents. But as developers experiment with new ...

OpenAI on Monday released a new desktop application for its Codex artificial intelligence coding system, a tool the company says transforms software development from a collaborative exercise with a ...

AI coding tools are rapidly changing how we produce software, and the industry is embracing it—perhaps at the expense of entry-level coding jobs. Generative AI’s ability to write software code has ...

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Blake has over a decade of experience writing for the web, with a focus on mobile phones, where he covered the smartphone boom of the 2010s and the broader tech scene. When he's not in front of a ...