RAG precision tuning can quietly cut retrieval accuracy by 40%, putting agentic pipelines at risk

Enterprise teams that fine-tune their RAG embedding models for better precision may be unintentionally degrading the retrieval quality those pipelines depend on, according to new research from Redis.T [...]

Nvidia researchers unlock 4-bit LLM training that matches 8-bit performance

Researchers at Nvidia have developed a novel approach to train large language models (LLMs) in 4-bit quantized format while maintaining their stability and accuracy at the level of high-precision mode [...]

Engadget Podcast: iPhone 16e review and Amazon's AI-powered Alexa+

The keyword for the iPhone 16e seems to be "compromise." In this episode, Devindra chats with Cherlynn about her iPhone 16e review and try to figure out who this phone is actually for. Also, [...]

Millions of Brother printers threatened by multiple serious vulnerabilities – enterprise and home printers at risk

Millions of printers, scanners, and label makers from Brother are at risk of being hit by eight new vulnerabilities. [...]

Why your LLM bill is exploding — and how semantic caching can cut it by 73%

Our LLM API bill was growing 30% month-over-month. Traffic was increasing, but not that fast. When I analyzed our query logs, I found the real problem: Users ask the same questions in different ways.& [...]

Engadget Podcast: We've survived two days of CES 2025

In this bonus episode, Cherlynn and Devindra discuss the latest innovations in robot vacuums, new AI PC hardware from AMD and Intel, and Dell's decision to nuke its PC brands in favor of Apple-es [...]

My 16 favorite Black Friday 3D printers based on comprehensive testing - get these great deals on my top-performing 3D printers

From prototyping to miniatures, now's the time to grab my favorite 3D printing deals for Black Friday. [...]

AI inference costs dropped up to 10x on Nvidia's Blackwell — but hardware is only half the equation

Lowering the cost of inference is typically a combination of hardware and software. A new analysis released Thursday by Nvidia details how four leading inference providers are reporting 4x to 10x redu [...]

I found the best productivity mouse for work

A good mouse can make a bigger difference than you might think — especially if you spend hours each day clicking through spreadsheets, editing documents or working across multiple tabs. Whether youâ [...]