Standard RAG pipelines treat documents as flat strings of text. They use "fixed-size chunking" (cutting a document every 500 ...

A source trapped inside an industrial-scale scamming operation contacted me, determined to expose his captors’ crimes—and ...

Before smartphones rewired our brains, an entire generation developed nine distinct mental superpowers that modern psychology is only now beginning to understand—and they might explain why your ...

I spent three weeks testing no-code AI app builders after watching demos that promised perfect apps from single sentences.

Anyone can do it!

Xcode can now connect to external AI coding agents, making it possible to prototype working apps with minimal programming experience.

Oh, sure, I can “code.” That is, I can flail my way through a block of (relatively simple) pseudocode and follow the flow. I ...

TIOBE Index for February 2026: Top 10 Most Popular Programming Languages Your email has been sent February’s TIOBE Index shows a leaderboard that looks steady at first glance, but small shifts beneath ...

Plenty of our childhoods had at least one math teacher who made the (ultimately erroneous) claim that we needed to learn to do math because we wouldn’t always have a calculator in our ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Matt Elliott is a senior editor at CNET with a focus on laptops and streaming services. Matt has more than 20 years of experience testing and reviewing laptops. He has worked for CNET in New York and ...