Discord will require a face scan or ID for full access next month

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Discord is rolling out global age verification starting next month, setting users to a "teen-appropriate" experience unless they verify as adults. Verified users will have access to age-restricted servers and channels, while unverified users will face content filters and restrictions.

America Has a Tungsten Problem

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The US needs a secure tungsten supply due to increasing demand from industries like semiconductors and munitions.

Converting a $3.88 analog clock from Walmart into a ESP8266-based Wi-Fi clock

https://raw.githubusercontent.com/jim11662418/ESP8266_WiFi_Analog_Clock/master/images/Clock-face.JPEG
A project uses a WEMOS D1 Mini ESP8266 module and Arduino sketch to display local time on an analog quartz clock, automatically adjusting for daylight savings time. The ESP8266 stores clock hand positions in EERAM and retrieves them after power interruptions, allowing the clock to resume accurately.

Why is the sky blue?

https://explainers.blog/assets/img/sky/rayleigh-scattering-by-frequency-graph.png
The color of the sky is determined by the scattering of photons by small molecules in the atmosphere, with blue photons being scattered more than others due to their resonant frequency with nitrogen and oxygen molecules. The sky appears blue because of this scattering, and its color can change depending on the presence of other particles or gases in the atmosphere.

Hard-braking events as indicators of road segment crash risk

https://storage.googleapis.com/gweb-research2023-media/original_images/HBEs-0-Hero.png
Researchers used hard-braking events as a leading indicator of crash risk, finding a statistically significant positive correlation between HBE frequency and crash rates in California and Virginia. This high-density signal can identify high-risk locations even without long-term collision history, enabling targeted engineering interventions.

Upcoming changes to Let's Encrypt and how they affect XMPP server operators

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Let's Encrypt will issue server-only certificates by default from February 11th, potentially breaking server-to-server connections in XMPP. Prosody will accept these certificates, but other servers may not, causing federation issues.

MIT Living Wage Calculator

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The Living Wage Calculator estimates the local wage rate needed for a full-time worker to cover basic family needs. It helps individuals and communities determine the minimum wage required for different family types in various locations.

Game Boy Advance Audio Interpolation

A Game Boy Advance emulator can implement audio enhancement to reduce aliasing and noise by using its own interpolation algorithm to resample audio channels' sample rates directly to the emulator's audio output sample rate. This approach can produce higher-quality results than accurate emulation and works with any GBA game, though quality can vary by game.

UEFI Bindings for JavaScript

https://codeberg.org/smnx/promethee/media/branch/trunk/promethee.jpeg
Promethee loads script.js from the boot volume and runs it. That script is your bootloader. If you can do it with UEFI services, you can do it in JavaScript. Your entrypoint is script.js. The run target copies it to the UEFI FAT volume as \script.js.

Another GitHub outage in the same day

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GitHub's Status Page - Incident with Issues, Actions and Git Operations.

Sleeper Shells: Attackers Are Planting Dormant Backdoors in Ivanti EPMM

https://clever-lebkuchen-c1d029.netlify.app/.netlify/images?url=images/posts/ivantishells.jpg
A new exploitation wave of Ivanti Endpoint Manager Mobile (EPMM) has been observed, deploying a dormant in-memory Java class loader. The campaign is consistent with initial access broker (IAB) tradecraft, aiming to gain access for later sale or handoff.

Information Is Beautiful

https://infobeautiful4.s3.amazonaws.com/2020/06/splash.png
we’re an independent collective making sense of the world with infographics & data-visuals we turn data, information and knowledge into interactive graphics, stories, live performances and books

The Markets of Old London (2024)

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The author discovered old glass slides of London's vanished markets, including Clare Market where Joseph Grimaldi was born, and found them fascinating. Markets are theatres of commercial and cultural endeavour where human activity meets, offering a glimpse into society's public performance.

Thoughts on Generating C

The user shares their experience and best practices for generating C code from other languages, focusing on avoiding undefined behavior, using static inline functions, and explicit type conversions. They also discuss the benefits and drawbacks of generating C code, including its limitations in handling stack management, side tables, and source-level debugging.

The Traffic Mimes of Bogotá

Show HN: Algorithmically finding the longest line of sight on Earth

https://alltheviews.world/longest_line_1.webp
Researchers used CacheTVS to find the longest line of sight on Earth, which groups around peaks and ridges. Notable views include Colombia's Pico Cristobal and Russia's Mount Elbrus to Turkey's Pontic Mountains.

How I've run major projects (2025)

My few most productive individual weeks at Anthropic have all been “crisis project management:” coordinating major, time-sensitive implementation or debugging efforts. In a company like Anthropic, excellent project management is an extremely high-leverage skill, and not just during crises: our work has tons of moving parts with complex, non-obvious interdependencies and hard schedule ...

An articulated archer automaton [video]

Sandboxels

Luce: First Electric Ferrari. Designed by LoveFrom

https://ferrari-cdn.thron.com/delivery/public/image/ferrari/496ddcd2-39bb-4cfc-929c-61dee81e4de5/bocxuw/std/0x0/496ddcd2-39bb-4cfc-929c-61dee81e4de5?breakpoint=601&type=original
The Ferrari Luce's interior features a driver-focused design with a three-spoke steering wheel and essential information displayed on a multi-layered binnacle. The car's interface includes a control panel, centre console, and overhead controls, all designed for functionality and intuitive use.

What's the Entropy of a Random Integer?

The user asks for the entropy of a probability distribution related to prime factorizations of random integers and a similar distribution from breaking up random permutations into cycles. They estimate the mean entropy and ask if it converges to a distribution and if the exponential of the entropy, the perplexity, has a mean.

Pg-dev-container is a ready-to-run VS Code development container for PostgreSQL

https://raw.githubusercontent.com/jnidzwetzki/pg-dev-container/main/docs/images/open_container.png
This project provides a Visual Studio Code development container for PostgreSQL that allows developers to debug and test PostgreSQL extensions. The container includes a PostgreSQL build with debug symbols and assertions, and provides tools for attaching a debugger and browsing the source code.

Super Bowl Ad for Ring Cameras Touted AI Surveillance Network

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Amazon's Ring touted an AI-powered surveillance network through their camera systems in a Super Bowl ad, claiming it helps find lost dogs. However, analysts say it's a nationwide surveillance system with features like license plate reading and face recognition.

Like Game-of-Life, but on Growing Graphs, with WASM and WebGL

https://znah.net/graphs/preview.jpg
An experimental simulation of emergent complexity, inspired by Paul Cousin's work on Graph-Rewriting Automata.

Art of Roads in Games

https://sandboxspirit.com/_astro/roads_cover.Bk50jKgP_ZVBIb6.webp
The author is fascinated by intricate patterns in nature and human-made structures, particularly road networks. They've analyzed road patterns in games and real life, discovering that Bezier curves used in games fail to accurately represent real roads due to their inability to preserve shape and curvature when offset.

Ask HN: What are you working on? (February 2026)

Users are working on various projects including a color palette tool, a language learning app, a daily puzzles website, an AI-based time tracker, and more. They are also experimenting with new technologies such as auxetic geometries, data visualization, and AI-powered code review tools, and seeking feedback and advice from others in the community.

Medieval Monks Wrote over Ancient Star Catalog – Particle Accel Reveals Original

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Monks in Egypt created a palimpsest called Codex Climaci Rescriptus by erasing original texts and replacing them with Syriac translations. Researchers are now using a particle accelerator to uncover the hidden words, which may contain a second-century B.C.E. star catalog created by Hipparchus.

Testing Ads in ChatGPT

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ChatGPT is testing ads in the US for logged-in adult users on Free and Go tiers to support broader access to features while maintaining trust. Ads are clearly labeled and don't influence answers, with users able to control ad visibility and data.

GitHub is down again

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GitHub's Status Page - Notifications are delayed.

AT&T, Verizon blocking release of Salt Typhoon security assessment reports

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