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TSA lithium-battery rules clarified amid growing airline restrictions on power banks

Lithium-ion batteries can suffer thermal runaway, an uncontrolled overheating reaction that can cause smoke, fire or shrapnel, and the FAA has logged over 700 such incidents since 2006, nearly 40% involving portable chargers. The TSA requires devices with lithium metal or lithium-ion batteries to be carried in cabin baggage rather than checked, and several airlines and regulators have added their own stricter rules on power banks specifically.

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Options emerge for owners of Google's discontinued Nest Learning Thermostats

Google ended software support in October 2025 for first- and second-generation Nest Learning Thermostats, cutting them off from app connectivity, accessory integration, and updates after roughly 14 years of use. The devices still function for basic on-device temperature control and scheduling, and Google has offered discounted upgrades to its fourth-generation thermostat as an alternative.

Wi-Fi band steering can trap devices on slower 2.4GHz connections

Modern routers often combine 2.4GHz, 5GHz, and sometimes 6GHz frequencies under a single network name using a feature called band steering, letting devices automatically choose the best band. In practice, some devices stay locked onto the slower, more congested 2.4GHz band even when a stronger 5GHz signal is available, reducing connection speed and quality.

iFixit teardown gives iPhone Duo a 5/10 repairability score, its highest for a foldable

iFixit has published its teardown of Apple's iPhone Duo, awarding it a provisional repairability score of 5 out of 10—the highest the site has given any foldable phone. The analysis focused heavily on the device's hinge mechanism, which combines gears, springs and interconnected metal joints with a waterdrop-shaped bend to protect the display, and the device carries an IP68 dust and water resistance rating.

OpenAI and Anthropic repeatedly slash LLM API prices through mid-2026

Between June and September 2026, OpenAI and Anthropic each cut prices on multiple models: OpenAI dropped GPT-5.6 Luna pricing by 80% and GPT-5.6 Sol by about 20% for three months, while Anthropic made its temporary Claude Sonnet 5 launch pricing permanent and cut cache-read costs by 75% on the newly released Fable 5.1. The moves followed mixed reception to some new releases, including Claude Sonnet 5 and Opus 5, even as benchmark claims for some models reportedly exceeded larger competitors.

O'Reilly to publish 'The Context Engineering Handbook' as field evolves from RAG debates

A talk at AGNTCon titled 'Context Fails & Fixes' traced the evolution of context engineering, the practice of structuring inputs and instructions for AI models. The speaker, who is writing an upcoming O'Reilly book on the topic, recounted publisher concerns about the book becoming outdated quickly given fast-moving AI trends, including the late-2024 'RAG is dead' debate.

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