The privacy nightmare of browser fingerprinting

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People concerned about privacy use de-Googling to prevent their web browsing behavior from being tracked. However, browser fingerprinting, a method of tracking users through unique browser characteristics, is a significant challenge to overcome.

Agent design is still hard

https://lucumr.pocoo.org/social/2025-11-21-agents-are-hard-social.png
Building agents is complex and messy, with SDK abstractions breaking down when used in real-world scenarios. The user shares their experience with building an agent using the Vercel AI SDK and Anthropic SDK, highlighting the importance of explicit cache management and reinforcement learning.

Original Superman comic becomes the highest-priced comic book ever sold

https://ichef.bbci.co.uk/news/480/cpsprodpb/3774/live/76c522c0-c6fa-11f0-a863-434ee92aa5e3.jpg.webp
Three brothers in their 50s and 60s discovered a pristine 1939 Superman comic book in their late mother's California attic. The comic, graded 9.0, sold for $9.12m, breaking the record for the highest-priced comic book ever sold.

In a U.S. First, New Mexico Opens Doors to Free Child Care for All

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China reaches energy milestone by "breeding" uranium from thorium

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Chinese researchers at the Shanghai Institute of Applied Physics successfully converted thorium to uranium in a 2 megawatt reactor, paving the way for clean nuclear energy. This achievement marks a major leap forward in thorium-based molten salt reactor technology.

Show HN: Forty.News – Daily news, but on a 40-year delay

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FBI agents killed Robert Mathews, founder of white supremacist group The Order, in a shootout on December 8, 1984. The incident occurred after a four-year crime campaign including murders, robberies, and counterfeiting.

WorldGen – Text to Immersive 3D Worlds

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Researchers introduce WorldGen, a system generating interactive 3D worlds from text prompts. WorldGen produces visually rich, navigable worlds with consistent geometry and textures, compatible with standard game engines.

The realities of being a pop star

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Being a pop star has its pros and cons, including fun experiences like attending parties and wearing luxurious clothes, but also drawbacks like feeling embarrassed and being scrutinized by the public. It also comes with a level of expectation to be truthful all the time, which can be challenging for artists who want to maintain a persona or fantasy.

Kids who own smartphones before age 13 have worse mental health outcomes: Study

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A new study suggests that children who own smartphones before 13 may have worse mental health outcomes, especially girls who report lower self-image and emotional resilience. Early smartphone ownership is linked to increased exposure to negative impacts on children's psychological development.

The Mozilla Cycle, Part III: Mozilla Dies in Ignominy

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Mozilla's new strategic plan focuses on developing and supporting open source AI implementations, but its core audience is overwhelmingly negative about the direction, citing concerns about user experience and privacy. The plan's goals seem disconnected from reality, and Mozilla's pivot to AI is likely a bet on the longevity of the AI bubble and a desperate attempt to diversify revenue away ...

'The French people want to save us': help pours in for glassmaker Duralex

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Duralex, a French glassworks, raised €19m in just 48 hours after appealing for €5m in emergency funding. The company, known for its iconic Picardie glass, plans to modernize its factory and expand into new markets.

Moss Survives 9 Months in Space Vacuum

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Scientists exposed moss spores to open space for nine months and found over 80 percent survived. This toughness may help mosses thrive in extraterrestrial environments like the Moon and Mars.

Sharper MRI scans may be on horizon thanks to new physics-based model

https://news.rice.edu/sites/g/files/bxs2656/files/2025-11/featured_rice_media_2.png
Researchers at Rice University and Oak Ridge National Laboratory developed a physics-based model of magnetic resonance relaxation that improves MRI imaging and diagnostics. The new model, called the NMR eigenmodes framework, provides a more accurate understanding of how contrast agents interact with water molecules.

ADHD and monotropism (2023)

The author explores the connection between Monotropism, a theory explaining autistic traits, and Attention Deficit Hyperactivity Disorder (ADHD), suggesting they may share an underlying cause. Monotropism's tendency to focus on one thing at a time may explain both conditions' characteristics, such as hyperfocus and inattention.

Roblox CEO Makes a Fool of Himself in Car-Crash Interview

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Roblox's CEO David Baszucki showed a tone-deaf response to child safety concerns, calling the issue an opportunity. He claimed the company is innovating to prevent predators but provided no coherent answers.

A Reverse Engineer's Anatomy of the macOS Boot Chain and Security Architecture

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The Apple Silicon boot process begins with an immutable Boot ROM that initializes the hardware and establishes a Chain of Trust, using a Group ID Key (GID Key) to decrypt the Low-Level Bootloader (LLB) and enforcing strict code signing to prevent malicious firmware execution. The Secure Enclave Processor (SEP) is a fully independent computer-on-a-chip that runs its own kernel, manages its own ...

Markdown is holding you back

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The author discusses the limitations of Markdown for technical content, citing its lack of semantic structure and machine-readability. They suggest alternative formats like reStructuredText, AsciiDoc, DocBook, and DITA for more complex documentation projects.

Our babies were taken after 'biased' parenting test

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Greenlandic families in Denmark are fighting to get their children returned after being removed by social services due to parental competency tests. The Danish government banned the tests on Greenlandic families but only reviewed 10 cases, with no children returned.

The death of tech idealism and rise of the homeless in Northern California

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The author visits a wealthy acquaintance in Palo Alto, where they discuss the issue of homelessness in the Valley. The acquaintance, a tech entrepreneur, dismisses the problem as one that can be solved by innovators like himself, but the author sees it as a symptom of the region's income inequality and gentrification.

New Apple Study Shows LLMs Can Tell What You're Doing from Audio and Motion Data

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Apple researchers used LLMs to analyze audio and motion data for activity recognition, achieving high accuracy even without specific training. LLMs can infer user activities from basic signals, improving accuracy with single examples and without requiring additional memory or computation.

My private information is worth $30

You're upset with the University of Minnesota's $30 settlement for a 2021 data breach that exposed your personal info, feeling it's a slap in the face. You think the university should take responsibility and compensate affected individuals more fairly, and that stronger regulations and penalties are needed to hold institutions accountable.

How to Spot a Counterfeit Lithium-Ion Battery

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Michael Pecht, a University of Maryland mechanical engineer, audits battery factories and finds many with poor cleanliness and safety features. Counterfeit batteries, often homemade, are a major concern, causing fires and explosions with lethal consequences.

Show HN: Build the habit of writing meaningful commit messages

https://opengraph.githubassets.com/4191975820666521caaf251b26834b7291b33248c978cb582c1507446ad16e95/arpxspace/smartcommit
smartcommit is a CLI tool that generates structured commit messages using AI. It asks questions to understand the code's intent and provides a reviewable message for editing or confirmation.

Windows ARM64 Internals: Deconstructing Pointer Authentication

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Pointer Authentication Code (PAC) is an anti-exploit feature on Armv8.3-A and Armv9.0-A ARM architectures that signs pointers to validate their use at runtime. Windows implements PAC on ARM64 installations, enabling it for user-mode and kernel-mode code, with the ability to expand in the future to protect data accesses.

Jack Ma's family shifted wealth to UK after years-long 'disappearance'

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Jack Ma's wife bought a £19.5 million London mansion in October 2024 after Ma's return to public life. The purchase is seen as a precautionary move amid China's regime risk, allowing the family to diversify their assets.

Gwern's "Stem Humor" Directory

https://gwern.net/doc/math/humor/1991-11-25-billwatterson-calvinandhobbes-giventhepaceoftechnologyiproposeweleavemathtothemachinesandgoplayoutside.jpg
The math/humor directory has 3 related tags, 178 annotations, and 66 links. It is part of the math directory.

Show HN: I built a wizard to turn ideas into AI coding agent-ready specs

A friendly 4-step wizard that helps you define, design, and plan your next app idea. AI-powered chat generates comprehensive technical specs, dev plans, and agent guidance.

A looming 'insect apocalypse' could endanger global food supplies

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Insects are declining globally, with a 25% drop in bee biodiversity and a 22% fall in butterfly abundance in the US over the past two decades. This decline threatens global food security.

Microsoft Will Preload Windows 11 File Explorer to Fix Bad Performance

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Windows 11 Insider Preview Build 26220.7271 is released to Dev & Beta Channels with new features and fixes. Key updates include Xbox full screen experience, point-in-time restore, and fluid dictation for voice typing users.

Libpng 1.6.51: Four buffer overflow vulnerabilities fixed

libpng 1.6.51 fixes four vulnerabilities: two high-severity and two moderate-severity CVEs. Users should upgrade to libpng 1.6.51 immediately to prevent information disclosure and denial of service.

The Pentagon Can't Trust GPS Anymore

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Iran president says capital move now a necessity as water crisis deepens

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Iran's President Masoud Pezeshkian says the country must move its capital due to severe ecological strain in Tehran. The move is necessary to prevent catastrophe from land subsidence and water shortages.

The Uncertain Origins of Aspirin

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The history of aspirin is unclear, with many claims about its ancient origins based on incomplete or dubious evidence, and the actual discovery of aspirin is attributed to a chemist named Felix Hoffman who synthesized it in 1897. However, another chemist, Arthur Eichengrün, claimed that he instructed Hoffman to synthesize aspirin and that he was the one who suggested its name, but he waited ...

Infinibay LXD Container

https://opengraph.githubassets.com/3fc18dc1dd4e29e7d4a17d0dfbc20e80bf7f07075b97af8c94b5fe3e489851b8/Infinibay/lxd
To set up Infinibay, run setup.sh to install LXD and configure environment variables, then run ./run.sh to deploy and start Infinibay. This one command creates containers, provisions software, and starts Infinibay, displaying access URLs when ready.

The Censorship Network: Regulation and Repression in Germany Today

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Investigative reporting has uncovered a network of organizations suppressing online speech in Western countries, particularly in the US, UK, and EU. A database of over 330 organizations in Germany, including government agencies and NGOs, has been mapped to show the scale of this censorship.

Why DETRs are replacing YOLOs for real-time object detection

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Real-time object detection has shifted towards Detection Transformers like D-Fine and RF-DETR, which offer high accuracy and speed while being more permissive in licensing. These models have surpassed YOLO in accuracy and are suitable for resource-constrained scenarios, making them a preferred choice for demanding detection problems.

Show HN: PolyGPT – ChatGPT, Claude, Gemini, Perplexity responses side-by-side

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Type once and ask ChatGPT, Gemini, and Claude simultaneously. Compare AI responses side-by-side in real-time. Download for Mac, Windows, Linux.

Data General History by Foster

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The author worked at Data General from 1976-1979, experiencing both positive and negative aspects of the company's culture, including a focus on profit and secrecy. Despite some challenges, the author credits Data General with helping him become a successful entrepreneur and developing valuable skills.

Openring-rs: a webring for static site generators written in Rust

https://opengraph.githubassets.com/1bfebcca14cfedf57e90f145685b6b1764a35541ff1db0410113921056951edb/lukehsiao/openring-rs
openring-rs generates a webring from Atom/RSS feeds and populates a template with articles. It uses Tera templates, as seen in the example in.html template.