GPT-6 Astra

OpenAI has released GPT-6 Astra, the world's most intelligent and aligned model, offering state-of-the-art performance in computer use, browsing, software engineering, cybersecurity and more. The new model is available to all ChatGPT Plus users and will be rolled out to other plans over the coming days.

Solving the Jane Street Reverse Engineering Challenge

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The author solved a Jane Street challenge by reverse-engineering an ASIC using Python and constraint solvers, overcoming significant technical hurdles along the way. They successfully extracted the circuit's components and simulated its behavior to find the password hidden within its structure.

.name Termination

A user's .name domain is set to be destroyed due to Verisign's proposal, causing their website and email address to vanish. This could lead to potential security risks as vacant 2nd-level domains may become available for registration by others.

Carbon-aware electricity pricing, measured daily on 38 grids

What if electricity got cheaper when the grid runs clean and pricier when it runs dirty? Every day this site runs that idea on real electricity-grid data and measures how much CO₂ it would save compared with today's standard pricing — across Switzerland and US grid regions.

Qwen 3.8 27B available on Cerebras at 1500 tokens/s

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Cerebras offers free trial and pay-as-you-go models with rate limits, while dedicated endpoints provide reserved capacity and production SLAs. The company hosts original, unpruned open-source models from the community on its public endpoints.

Authorization terminology is a mess: Let's fix it

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The author argues that authorization models like RBAC, ABAC, and PBAC are often misclassified due to a lack of understanding of the different axes involved in an authorization system. The six axes include authority administration, authorization model, policy expression, access control mechanism, enforcement location and architecture.

Elevator of the Year Winner Modernization of the Metropolis Trust Building

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A historic San Francisco building's outdated elevator system was upgraded to a modern, overhead traction variable frequency-controlled AC gearless system with improved safety and efficiency. The renovation involved replacing old machinery with new energy-efficient gearless hoist machines and re-engineering the existing offset basement design.

The Raspberry Pi Interactive Timeline · 2006–2026

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The first Raspberry Pi was released on February 29, 2012, and over 68 million units have been sold so far. The Raspberry Pi Foundation remains a charity, but the company has become publicly listed since its IPO in June 2024.

Hackers Had a Live Feed of Every ID Verification Company Scanned for over a Year

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A massive data breach has exposed 153 million driver's license scans, available for sale on the dark web, highlighting the huge privacy risks of age verification technologies. This breach is a stark warning to those pushing for age verification laws and shows that no system can be completely safe from data breaches.

The largest electric aircraft just flew [video]

Artificial beaver dams saw juvenile coho salmon survival rates go from 8% to 60%

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Researchers built artificial beaver dams in northern California to recreate lost wetlands and boost coho salmon survival. The project, published in Frontiers in Ecology and Evolution, showed significant success with juvenile coho survival rates increasing from 8% to 60%.

How an MIT research project became the Julia programming language

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Julia is a high-performance programming language used by millions of users worldwide for scientific research, data analysis, and modeling complex systems. Its "just-in-time compilation" feature makes it faster and more flexible than other numerical programming languages.

Go grandmaster Shin defeats AI KataGo with a two-stone handicap

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Shin Jin-seo, a 26-year-old South Korean Go grandmaster, defeated the world's top AI engine KataGo in a historic three-game series under a two-stone handicap.

Porting my 1993 Amiga game to Godot, with an LLM reading the 68000 assembly

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The author of the game Babylonian Twins, built in 1993 on an Amiga 500, has had his original code ported to modern platforms using AI assistance. The port was done by running the original assembly code through a model that could understand and execute it.

OpenAI agents hijacked German website in previously undisclosed AI breakout

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Oscar Winner Brings Monsters to Life with His Simulation Software

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Jernej Barbič, inspired by childhood memories of swaying trees, developed Ziva VFX, a software system for realistic 3D character simulations. His work has been used in over 60 films and earned him a technical achievement Academy Award.

GPS glitched across the US by as much as 33 feet

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Scientists have discovered that a massive solar storm in November 2025 caused widespread disruptions to the US atmosphere, including coast-to-coast disturbances and significant errors in GPS positioning. The effects of this event could have been devastating for industries relying on precision navigation, such as autonomous vehicles and agriculture.

Move in C++ without a std:move

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The author advises using std::move rarely, citing return value optimization (RVO) and copy elision as the preferred methods to avoid unnecessary copies and moves. With C++23, implicit move is now supported in both cases where it was previously required or not possible.

K2 Horizon: A connected fleet of six open models

IFM is releasing K2 Horizon, a connected fleet of six models with top-tier performance across various tasks. The models are released under the Apache 2.0 license and provide an open blueprint for understanding and advancing AI systems.

Project Xanadu: Even More Hindsight (2025)

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The author attended a party celebrating the 50th anniversary of Ted Nelson's hypermedia manifesto, Computer Lib/Dream Machines. The event featured vintage computers running Xanadu implementations and stories from former programmers about the challenges of developing hypertext systems in the past.

Which tools do Claude, Codex and Cursor choose? We measured 17k runs to find out

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Researchers created a panel of 75 GitHub repositories to test how coding agents choose third-party services, analyzing over 16,893 runs. They found that popular players like Stripe and Azure often win due to their simplicity and cost-effectiveness, but lesser-known providers can also succeed in specific scenarios.

Show HN: Reactor Atlas

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Potencia eléctrica neta (MWe) de los reactores en operación en el año elegido. Suscribite a Reactor AtlasLo más importante de la semana en tu correo: señales operativas y comunicados oficiales de cada central. Después podés configurar alertas por país o por central.made by fedecaccia.com

Ask HN: Who is using MCP in production?

User is discussing MCP, a tool for natural language interaction with APIs and tools. They find it useful for automating tasks and reducing errors, but acknowledge its limitations.

Xanadu was waiting for agents

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The author revisits the concept of hypertext and its pioneer, Ted Nelson, who envisioned a system called Xanadu that could manage complexity and version control. The author believes that modern technology has finally made it possible to build upon Nelson's ideas.

From Hookswitch to Grave

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Western Electric, a subsidiary of AT&T, operated a massive metal recycling facility on Staten Island from 1930 to 2001, processing millions of tons of scrap and producing valuable metals for the telephone industry. The site was eventually remediated after years of environmental contamination and is now considered suitable only for limited industrial use due to strict institutional controls.

Unusual Suspects

Virtual Threads for a scripting language in Java 8 without Loom

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The author created Jactl, a secure scripting language for Java applications that compiles to bytecode and allows long-running operations without blocking the execution thread. It uses a continuation mechanism to save the execution state of scripts when they are suspended due to long-running operations.

Welcome to the Porcelain Insulator Collector's World of Mud

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Porcelain insulators, similar to glass ones, were used for telegraph wires before the Civil War and have become standard for power distribution due to their strength and surface resistance. Their popularity has increased in recent years due to more information available and affordable prices.

Any Human Ever – One life, drawn at random from all who have ever lived

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You'll draw, step by step: a year, a place, a life, each taken at random from real data. Almost everyone who ever lived was born recently, because population grew exponentially, so a random birth is far more likely to fall near the present.

CERN Transitioning Computers To Debian After Being A Longtime RHEL Institution

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CERN is transitioning from RHEL/CentOS to Debian Linux for industrial accelerator-control computers. The organization plans to complete the migration by the end of 2026, with data centers and experimental computing remaining on RHEL/AlmaLinux.