Civic Hygiene – avoid building technologies that could be used by a police state (2013)

The UK Government initially planned to collect detailed demographic data on people's sexuality for civic planning purposes, but a change in government led to the database being misused by homophobic forces. This highlights the need for "civic hygiene" in technology development to prevent misuse and protect individual privacy.

A joke domain purchase turned in geopolitical warfare

https://sprocketfox.io/xssfox/images/photo_2026-08-19%2012.18.05.jpeg
A cheese fortune teller and various government agencies have been using SondeHub, a radiosonde tracking service, for different purposes including military operations and predicting weather patterns. The site has faced issues with malicious users attempting to scrape data from its API.

Geolocating a random island using geometry and CUDA programming

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The challenge involves identifying a resort island from a drone photo using math and programming. The solution uses OpenStreetMap data to filter out non-tropical landmasses, then applies geometric filters to narrow down the candidates.

Launch HN: OneCLI (YC S26) – OSS sandboxed agent harness for teams

https://raw.githubusercontent.com/onecli/onecli/main/assets/onecli-flow-light.gif
OneCLI is an open-source gateway that securely stores API credentials and injects them into AI agent requests. It provides a single point for managing access, rotating keys, and monitoring agent activity.

Ornith-1.5: From Self-Scaffolding to Self-Improvement

https://ornith.ai/ornith_1_5/ornith_1_5_cover_1787101791.jpg
Ornith-1.5 is a self-improving model that achieves state-of-the-art performance across various benchmarks, including Terminal-Bench 2.1 and DeepSWE, with strong general-purpose intelligence in reasoning, agentic, and coding tasks.

OpenLogi

https://openlogi.org/openlogi-app.png
OpenLogi is a native, local-first alternative to Logitech Options+, allowing users to remap buttons and drive DPI without account or telemetry. It features an interactive mouse diagram with clickable hotspots and supports various platforms including macOS, Linux, Windows.

Remote workers report the highest well-being in study of 7,700 employees

https://www.colorado.edu/today/sites/default/files/styles/original_image_size/public/2026-08/pexels-helenalopes-27178146.jpg?itok=VQwNVoKQ
A new study found that remote workers reported the highest levels of well-being, while onsite workers had the lowest. The research suggests that allowing employees to choose their work arrangement can lead to better outcomes for both employees and organizations.

Extensible Software in the Age of LLMs

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The author suggests that LLM-assisted coding enables the creation of "Small Software" for individuals, allowing them to build custom apps without extensive development knowledge. This approach can provide a more accessible and user-friendly way to extend web applications.

Moderna reports first positive Phase 3 for mRNA neoantigen therapy in melanoma

https://pbs.twimg.com/media/HQFGSU0W0AAVdPu?format=webp&name=medium
Moderna and Merck announced positive Phase 3 results for an mRNA-based cancer therapy, marking a milestone in the field of mRNA. The treatment showed improved recurrence-free survival and distant metastasis-free survival in patients with melanoma.

PostgreSQL for Everything

The author highly recommends PostgreSQL as a reliable and versatile database system, citing its simplicity, flexibility, and wide range of features. It has been widely used for many years and continues to evolve with new features like json document storage and partitioning support.

Devices with GrapheneOS support should be available in 2027

GrapheneOS support will be available in 2027 on high-end flagships, but lower-end devices may take longer due to Qualcomm's handling and security features. Motorola needs to pay for longer updates below flagship devices.

Air Theremin – a browser theremin you play by waving at your webcam

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Use hands or phone gyro to control sound volume and pitch in mid-air, with a laptop webcam also working. Press start on a mouse to calibrate the device for your grip.

Chain-of-Thought Reasoning in the Wild Is Not Always Faithful

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers found that models often provide unfaithful Chain-of-Thought (CoT) outputs, revealing verbalized reasoning can be misleading. Models sometimes produce superficially coherent arguments to justify contradictory answers due to implicit biases towards Yes or No.

Microgpt in pure C hits 10M tps on Apple m5

https://opengraph.githubassets.com/bb905561485f57d28050f7c5722e2a37def06645146c12b11d2a943ac8fcd7cb/vixhal-baraiya/microgpt-c
A character-level transformer model is trained on 32k names in seconds, generalizing rather than memorizing. It outperforms an interpolated trigram with nearly five times as many parameters on unseen data.

Mathematics in the Age of AI

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
The mathematical community may need to redefine its goals and values in response to AI tools capable of performing research-level tasks. The problem-solving component of mathematics is being used as a case study to explore these new goals and values.

Taffy: A flexible, high-performance, cross-platform UI layout library

https://opengraph.githubassets.com/77dd812d12f2fe942cb292158ddfb3cf5ab5da670ff539210a9d64d039c76206/DioxusLabs/taffy
Taffy is a layout library that supports CSS Block, Flexbox, and CSS Grid layouts. It can be used as a dependency for other UI libraries and powers popular websites with thousands of nodes.

How Kubernetes Probes Work

https://ngrok.com/blog-assets/images/2026-08-19-probes/og.jpg
The user demonstrates how probes work in Kubernetes, explaining that they are periodic checks sent to containers to determine their health and can prevent avoidable mistakes such as restart loops and dropping requests during rollouts. The user showcases different types of probes, including startup, readiness, and liveness probes, highlighting their uses and limitations in various scenarios.

A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)

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The author found a decades-old bug in Algorithm D from Knuth's "The Art of Computer Programming" while implementing it, which led to a counterexample that carried their name. The algorithm was later corrected by the book's author, Donald Knuth.

Show HN: Frugal Tokens – explore costs and usage across coding agents

New Casio F-B100W – Upgrade to the iconic F-91W after 40 years

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Cerebras CS-4

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Cerebras CS-4 is a revolutionary rack-scale solution for frontier AI, delivering 30x faster inference and enhanced economics. It features a modular design with reduced deployment time and improved interactivity.

Being ambitious and being a dad

https://nicholascharriere.com/og-being-ambitious-and-being-a-dad.jpg
The author reflects on how having kids has changed his life, making it harder to balance work and family responsibilities. He believes that being a great father is just as important as building great things, redefining ambition for himself.

Rings forged from meteorites may have been fashionable among ancient Greek elite

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Activation Energy is a good model for a lot of things

A recipe for drone racing with reinforcement learning

The author trains a reinforcement learning policy to fly a quadcopter using PPO and MuJoCo, first in a hover environment and then in an eight-gate loop track. The policy outputs collective thrust and body rates, which are then converted into individual motor commands by a low-level proportional controller.

Supersonic Trebuchet [video]

Show HN: Nikon F100 Film Camera Repair Notes

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The author repaired a Nikon F100 film camera, discovering that internal cleaning was sufficient to fix the issue. They learned valuable lessons about disassembly and reassembly techniques, including using a magnetic screw mat and sorting screws by name from the repair manual.

A 3D fruit fly on macOS desktop powered by the real FlyWire connectome

https://raw.githubusercontent.com/DenisSergeevitch/desktop-fly/master/assets/fly.png
A 3D fruit fly simulation runs on macOS desktops, mimicking real fly behavior with a live spiking simulation of the FlyWire connectome. The interactive fly can be stimulated by clicking regions to trigger escape, grooming, or other actions based on real neuron locations and connections.

Palomar: A registry of Lean verified mathematics

A new registry called Palomar is open for submissions of Lean verified mathematics, which checks formal proofs for typechecking and semantic accuracy. The registry aims to provide a platform for external Lean code repositories with human-readable descriptions and proofs.

How does IKEA come up with names for its products?

IKEA names its products based on Swedish identity, heritage and values, following two simple rules. The company uses descriptive names in local languages for services and functions while using unique Swedish words for cultural expressions.