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A Coding Implementation for Building and Analyzing Crystal Structures Using Pymatgen for Symmetry Analysis, Phase Diagrams, Surface Generation, and Materials Project Integration

ai, AI (Artificial Intelligence), Artificial Intelligence, Editors Pick, Machine Learning, Quantum Machine Learning, Staff, Technology, Tutorials

In this tutorial, we explore the capabilities of the pymatgen library for computational materials science using Python. We begin by constructing crystal structures such as silicon, sodium chloride, and a LiFePO₄-like material, and then investigate their lattice properties, densities, and compositions. Also, we analyze symmetry using space-group detection, examine atomic coordination environments, and apply oxidation-state […]

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Safely Deploying ML Models to Production: Four Controlled Strategies (A/B, Canary, Interleaved, Shadow Testing)

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Deploying a new machine learning model to production is one of the most critical stages of the ML lifecycle. Even if a model performs well on validation and test datasets, directly replacing the existing production model can be risky. Offline evaluation rarely captures the full complexity of real-world environments—data distributions may shift, user behavior can

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A Coding Implementation to Build an Uncertainty-Aware LLM System with Confidence Estimation, Self-Evaluation, and Automatic Web Research

ai, AI (Artificial Intelligence), Artificial Intelligence, Editors Pick, Large Language Model, Technology, Tutorials

In this tutorial, we build an uncertainty-aware large language model system that not only generates answers but also estimates the confidence in those answers. We implement a three-stage reasoning pipeline in which the model first produces an answer along with a self-reported confidence score and a justification. We then introduce a self-evaluation step that allows

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‘Thank God they’re still alive’: Kaiser therapists claim its new screening system puts patients at higher risk by delaying their care

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Kaiser pushed back on striking workers’ claims and AI fears, saying it delivers ‘timely, high-quality care to meet members’ needs’Ilana Marcucci-Morris is worried about the patients she treats and how long it took for them to arrive in her office. At Kaiser Permanente’s psychiatry outpatient clinic in Oakland, California, she says she increasingly finds herself

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Thousands of people are selling their identities to train AI – but at what cost?

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Gig AI trainers worldwide are selling moments of their lives, including calls and texts, to AI companies for quick cashOne morning last year, Jacobus Louw set out on his daily neighborhood walk to feed the seagulls he finds along the way. Except this time, he recorded several videos of his feet and the view as

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How the FBI can conduct mass surveillance – even without AI

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Anthropic fought against the government’s misuse of its technology, but authorities are buying Americans’ data, enabling them to surveil citizens at scaleThe FBI declares it can conduct mass surveillance without AI, despite Anthropic’s protest.A central part of the standoff between Anthropic and the Department of Defense has revolved around the artificial intelligence firm’s refusal to

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‘It’s stupid’: why western carmakers’ retreat from electric risks dooming them to irrelevance

ai, AI (Artificial Intelligence), Artificial Intelligence, Automotive industry, Business, Electric, hybrid and low-emission cars, Motoring, Road transport, Technology

Iran war should be wake-up call about costs of not going full throttle towards EVs as Chinese have done, experts sayBy the 1980s, Detroit’s once titanic carmakers were being upended by rivals from Japan. Ford, General Motors and Chrysler had grown rich selling gas guzzlers, but when oil prices rose and suddenly cheap, fuel-efficient Japanese

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NVIDIA Releases Nemotron-Cascade 2: An Open 30B MoE with 3B Active Parameters, Delivering Better Reasoning and Strong Agentic Capabilities

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NVIDIA has announced the release of Nemotron-Cascade 2, an open-weight 30B Mixture-of-Experts (MoE) model with 3B activated parameters. The model focuses on maximizing ‘intelligence density,’ delivering advanced reasoning capabilities at a fraction of the parameter scale used by frontier models. Nemotron-Cascade 2 is the second open-weight LLM to achieve Gold Medal-level performance in the 2025

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Pinterest CEO calls for ban on social media for youth under 16

ai, AI (Artificial Intelligence), Artificial Intelligence, Google, Instagram, Meta, Pinterest, Social media, Social media ban, Social media bans, Technology

Bill Ready pointed to Australia’s social media ban for under-16s as a model, though it does not apply to his companyPinterest’s CEO called on world leaders to ban social media for youth under 16 in a LinkedIn post on Friday.“We need a clear standard: no social media for teens under 16, backed by real enforcement,

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Hachette pulls horror novel Shy Girl after suspected AI use

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The publisher has cancelled the US release of Shy Girl by Mia Ballard and withdrawn the UK edition after weeks of online speculation about the novel’s originsHachette Book Group has withdrawn a horror novel after allegations circulated online that its author relied heavily on artificial intelligence. The book is to be discontinued in the UK

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