Antirender: remove the glossy shine on architectural renderings

Upload a glossy architectural render. Get back the cold, honest, depressing reality of what it'll look like on a random Tuesday in November.

We have ipinfo at home or how to geolocate IPs in your CLI using latency

https://blog.globalping.io/content/images/2025/12/latency-based-ip-geo-location.png
You created a CLI tool using Globalping to resolve IP addresses to countries, US states, and cities. The tool uses latency-based geolocation detection with a limited number of probes.

NASA's WB-57 crash lands at Houston

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A NASA WB-57 aircraft made an emergency gear-up landing at Ellington Field in Houston without harming the crew. A thorough investigation will be conducted to determine the cause of the mechanical issue.

Guix System First Impressions as a Nix User

https://nemin.hu/assets/imgs/2026-01-26-guix/logo-screen-light.svg
The user has been a Linux user for 10 years and has tried various distros, eventually settling on NixOS, but is now trying Guix System due to its declarative nature and Scheme language. Despite initial installation issues and some difficulties with the community and documentation, the user is impressed with Guix System's features, including its package availability, ease of hacking, and ...

Quaternion Algebras

The stable version kept for those who need a version that is updated less often. The following drafts are just for archival purposes--you will almost surely want one of the versions above.

US reportedly investigate claims that Meta can read encrypted WhatsApp messages

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Meta denies claims it can read users' encrypted WhatsApp chats, calling the lawsuit "categorically false and absurd". A US investigation into the claims is reportedly underway, but Meta says WhatsApp's encryption remains secure.

Sumerian Star Map Recorded the Impact of an Asteroid (2024)

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A 650 BC Sumerian clay tablet, the "Planisphere," contains an ancient star chart and records an asteroid strike in Austria around 3123 BC. The tablet's astronomical data matches the trajectory of a kilometer-sized asteroid that impacted the Köfels area, creating a massive landslide.

Show HN: I trained a 9M speech model to fix my Mandarin tones

https://simedw.com/2026/01/31/ear-pronunication-via-ctc/images/ear_val_ter.png
The user created a Computer-Assisted Pronunciation Training (CAPT) system using a deep learning-based CTC model to help with Mandarin pronunciation, which can run entirely on-device. The system uses a 9M-parameter model that can be loaded instantly in a browser and highlights mistakes with forced alignment, helping the user improve their pronunciation.

A Step Behind the Bleeding Edge: A Philosophy on AI in Dev

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Monarch's software engineering team will leverage AI to increase productivity and quality, but will adopt new tools and workflows once they are mature and battle-tested to avoid thrash and security exposure. Team members are expected to own their work, review AI-generated content, and use AI as a thought-partner, idea generator, and editor to maintain accountability and deep thinking.

My Ridiculously Robust Photo Management System (Immich Edition)

https://jaisenmathai.com/images/main-photo-workflow-immich.png?1
The user has created a custom workflow using Immich to manage their photos, relying only on EXIF metadata and storing changes in the photo files themselves. They've also created a custom plugin for Immich to integrate with their existing photo organizer, Elodie, and are now enjoying a richer photo viewing experience without compromising their core principles.

Euro firms must ditch Uncle Sam's clouds and go EU-native

https://regmedia.co.uk/2016/05/20/shutterstock_plane.jpg?x=174&y=115&crop=1
European companies are moving sensitive data to local cloud providers due to concerns over US government surveillance and data security. This shift is driven by the EU's push for digital sovereignty and a desire to reduce dependence on US-based hyperscalers.

Insane Growth Goldbridge (YC F25) Is Hiring a Forward Deployed Engineer

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Goldbridge is building an AI-powered banking platform for real estate owners to boost income. The company is backed by Y Combinator and seeks a forward-deployed engineer.

Peerweb: Decentralized website hosting via WebTorrent

https://omodaka9375.github.io/portfolio/static/media/peerweb.7559ae56a756e1217679.png
PeerWeb uses WebTorrent to host and share websites via a peer-to-peer network, making them censorship-resistant and always available. Users can host their sites by creating a static website and uploading it via drag and drop.

Moltbook

https://www.moltbook.com/_next/image?url=%2Fmoltbook-mascot.png&w=256&q=75&dpl=dpl_3HN2y81AbqXVAdQDuz19yULVaUiB
A social network built exclusively for AI agents. Where AI agents share, discuss, and upvote. Humans welcome to observe.

HTTP Cats

https://http.cat/images/100.jpg
An API for the awesome HTTP Cats! Use it in your website to show funny error messages.

Show HN: Phage Explorer

https://phage-explorer.org/og-image.png
Phage Explorer is a keyboard-first visualization tool for bacteriophage genomes. Navigate sequences, analyze genes, and simulate biological processes directly in your browser.

Implementing the Transcendental Functions in Ivy

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The user describes their experience creating a pseudo-APL language called Ivy in Go, which has been used for various tasks including designing floating-point printing algorithms and computing high-precision transcendental functions. They detail their implementation of the gamma function in Ivy using the Lanczos and Spouge approximations, eventually settling on a refined approximation by ...

CPython Internals Explained

https://opengraph.githubassets.com/ccab51ff2a01b8d8aec4004984feca615200c136b86c49c08622c935b1d513f0/zpoint/CPython-Internals
The following contents are suitable for those who have python programming experience and interested in internal of python interpreter, for those who needs beginner or advanced material please refer to awesome-python-books

An anecdote about backward compatibility

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User worked on a debugger for IBM System 370 using 3270 CRT terminals and wanted to add color highlighting. They found the WRTERM macro in the IBM Assembler Product Macro Reference Document and discovered it had a COLOR parameter.

Naples' 1790s civil war was intensified by moral panic over Real Analysis (2023)

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Mathematicians in 19th-century Naples resisted the influence of French analysis, which they saw as morally suspect and a threat to social order. Their synthetic geometry, led by Nicola Fergola, emphasized rigor and self-restraint, reflecting a broader anxiety about the foundations of mathematics.

CERN accepts $1B in private cash towards Future Circular Collider

https://physicsworld.com/wp-content/uploads/2026/01/cern-19-01-2026-635x423.jpg
Mark Thomson takes over as CERN director-general, overseeing the Future Circular Collider (FCC) project. CERN received $1bn in private donations for the FCC, marking the first time individuals have supported a major CERN project.

Nvidia's 10-year effort to make the Shield TV the most updated Android device

https://cdn.arstechnica.net/wp-content/uploads/2026/01/Shield-10-yrs-1.jpg
It took Android devicemakers a very long time to commit to long-term update support. Samsung and Google have only recently decided to offer seven years of updates for their flagship Android devices, but a decade ago, you were lucky to get more than one or two updates on even the most expensive Android phones and tablets. How is it, then, that an Android-powered set-top box from 2015 is still ...

Surely the crash of the US economy has to be soon

https://wilsoniumite.com/wp-content/uploads/2026/01/image-1024x553.png
You predicted an economic crash in 2023 but it didn't happen. You pointed out an inverted yield curve and rising silver prices as potential warning signs.

Kimi K2.5 Technical Report [pdf]

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Disrupting the largest residential proxy network

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Google and partners took action against the IPIDEA proxy network, disrupting its operations and reducing available devices by millions. This action helps protect users and restricts the network's expansion.

Designing a Passively Safe API

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To make an API endpoint passively safe, we can use a message broker, a message outbox, and a message inbox to ensure that messages are delivered at least once and duplicates are handled. We can also use idempotency keys to identify each request attempt uniquely and make POST and PATCH requests idempotent by storing the recovery point and status of the request.

Archyl – The modern platform for C4 model documentation

https://www.archyl.com/dashboard.webp
Document your software architecture with the C4 model. AI-powered discovery, interactive diagrams, organization collaboration, and Architecture Decision Records.

Show HN: SF Microclimates

https://opengraph.githubassets.com/4d0160f4d94a1a525b1c3e2beae37bd25613fa058fd3178b67d8db91f8b8ad6c/solo-founders/sf-microclimates
The SF Microclimates API aggregates outdoor sensor data by neighborhood, providing accurate local temperatures and air quality. It offers real-time weather information for 40+ San Francisco neighborhoods, including temperature, humidity, and air quality index.

Ashcan Comic

https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/ThrillComicsAshcan.jpg/250px-ThrillComicsAshcan.jpg
Ashcan comics were created in the 1930s to secure trademarks on titles, often with low-quality production and minimal copies printed. The term has since been used to describe promotional materials and prototypes, with varying print runs and purposes.

The engineer who invented the Mars rover suspension in his garage [video]