Explainers

Complicated technology explained in plain English, from AI and LLMs to NPUs and cloud computing.

ExplainerOct 20, 2026Computer hardware

An NPU (neural processing unit) is the part of your processor built to run AI tasks fast on little battery. What it does and whether you need one.

ExplainerOct 18, 2026Artificial intelligence

LLMs power ChatGPT, Gemini and Claude. Learn how they work, why they sometimes make mistakes, and how to use them well, without any jargon.

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