Tell HN: Announcing tomhow as a public moderator

Tom Howard is joining HN moderation, replacing the previous moderator, and will post as tomhow. He has been a long-time HN user and YC participant, sharing his startup experiences and learning from others.

Animals Made from 13 Circles (2016)

https://c1.staticflickr.com/1/875/40311281805_8e5b379cf9_o.png
Inspired by the Twitter logo, which is made from 13 perfect circles, I decided to give myself a design challenge. I haven't done aesthetic work in a while and I wanted to show something simple & nice in my portfolio! So, here are 13 animals each made out of 13 circles!

Digital Archivists: Protecting Public Data from Erasure

https://spectrum.ieee.org/media-library/an-illustration-of-a-filing-cabinet-on-a-laptop-screen.png?id=59741556&width=1200&height=868
The Internet Archive's Wayback Machine preserves government websites and datasets, crucial for scientific research and reproducibility. Digital preservationists like archivists at the Internet Archive and Harvard Law School ensure the integrity of the scholarly record by safeguarding public access to information.

Matrix.org Will Migrate to MAS

https://matrix.org/blog/img/mas-devices.webp
Matrix.org will migrate to MAS on April 7th, 2025, for next-generation authentication with improved security and registration experience. This change brings a new account management interface and supports next-generation clients without breaking compatibility with existing APIs.

Porting Tailscale to Plan 9

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Tailscale now supports Plan 9, a 40-year-old operating system. The support was developed in a month with the help of Russ Cox.

Sailing from Berkeley to Hawaii in a 19ft Sailboat

Cnn's richard quest set out on his first solo cruise in a 19-foot potter 19. he ran two additional jacklines to secure cargo and brought fresh food - 320 pounds! quest found that despite being designed for cruising, the boat behaved quite well in the open ocean and the trade winds. quest also got to see the particular style of anchoring and stern tie that is used at the 10'

Zero Day in Microchip Sam Microcontrollers

https://wiki.recessim.com/w/images/thumb/8/85/ATSAM4C32_Reset.png/612px-ATSAM4C32_Reset.png
Jump to navigation Jump to search This write-up will cover analysis of the Microchip (ATMEL) SAM4C32 microcontroller vulnerability that allows an attacker to gain unlocked JTAG access to a previously locked device. This attack appears to affect many devices (though not all) in the SAM family. It was discovered that essentially the same attack performed by 0x01 Team on the SAM E70/S70/V70/V71 ...

Coffea stenophylla: A forgotten bean that could save coffee from extinction

https://th-thumbnailer.cdn-si-edu.com/_BFw-MPdiAxHmU0rFqNVoaANw8Q=/1000x750/filters:no_upscale():focal(2184x1456:2185x1457)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/76/04/7604f174-2171-4526-ab80-663c49cb0c84/coffee_opener.jpg
Aaron Davis, a coffee researcher, created a "Wanted" poster for the rare coffee plant Stenophylla, which was last seen in the wild in 1954. He finally found the plant in Sierra Leone's forests in 2018 and discovered it has a superior taste to other coffee species.

Pulse (YC S24) Is Hiring

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As a Machine Learning Engineer at Pulse, you'll create vision and language models for document understanding, with research autonomy and a focus on complex challenges at the intersection of computer vision, NLP, and data infrastructure. Your work at Pulse directly impacts customers and shapes the future of document intelligence.

How Google built its Gemini robotics models

https://storage.googleapis.com/gweb-uniblog-publish-prod/images/Robotics-HeroImage_2096x1182.width-200.format-webp.webp
Google DeepMind's Gemini 2.0 models enable robots to perform complex tasks without training, using multimodal outputs like text, video, and audio. The Gemini Robotics model allows robots to react to new objects, environments, and instructions without further training, making them highly dextrous and interactive.

Show HN: Mermaid Chart VS Code Plugin: Mermaid.js Diagrams in Visual Studio Code

https://i0.wp.com/content.mermaidchart.com/wp-content/uploads/2025/03/Syntax-highlighting.png?resize=726%2C656&ssl=1
The Mermaid Chart VS Code Plugin integrates Mermaid.js diagramming into VS Code for seamless workflow and collaboration. It offers real-time editing, syntax highlighting, and cloud sync features for team collaboration and large projects.

Measuring Acceleration Structures

https://zeux.io/images/blas_1.jpg
Hardware accelerated raytracing relies on an abstract data structure known as “acceleration structure” or “bls” for short. for example, a triangle node can store two triangles that share an edge, which requires just 4 vertices. the best results from the amd driver use 57 bytes/triangle - 11 more than the theoretical optimum. gpurt implements two major new nodes: bvh

Show HN: A Chrome extension to give you back control over short-form videos

https://lh3.googleusercontent.com/B3ExgYMNtxHS6hMSi6bjm6bPx1F8pjtVoB-2F8brbR18Nxn2A2lSs9X0HPZtxIF6_goePGRRUk8kgGYMhdqkcrnh=s275-w275-h175
ReelControl adds a progress bar and playback controls to social media videos, allowing users to know video length, rewind, and skip ahead. It's an open-source extension available on GitHub, built to help users take back control of their video experience.

Stop syncing everything

https://sqlsync.dev/_astro/graft-logo.CmQL8Gao_1jCWHt.webp
Graft is an open-source transactional storage engine designed for lazy, partial replication with strong consistency, horizontal scalability, and object storage durability, ideal for offline-first and mobile apps. It combines the simplicity of physical replication with the efficiency of logical replication, allowing clients to selectively retrieve only the pages they'll actually use, reducing ...

Why is the world losing color?

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Color is disappearing from our world due to a historical bias against color in Western philosophy. This bias has led to a preference for grayscale and neutral tones in design, branding, and art.

Certification Authority/Browser Forum adopts new security standards

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Posted by Chrome Root Program, Chrome Security Team The Chrome Root Program launched in 2022 as part of Google’s ongoing commitment to up...

Amazon Submits Bid for TikTok with US Sale Deadline Nearing

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Amazon submitted a bid to purchase TikTok from its Chinese owners. The bid was sent to the White House in a letter ahead of a deadline.

Publishers trial paying peer reviewers – what did they find?

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A spate of research findings offer fresh evidence in the debate about whether peer reviewers should be paid for their time and expertise — a fraught topic that has provoked discussion among researchers. This month, two journals released data from their own experiments that suggest that offering payments of around US$250 to researchers who review manuscripts speeds up the process, without ...

A dramatic Einstein ring seen by Webb

https://scx1.b-cdn.net/csz/news/800a/2025/a-dramatic-einstein-ri.jpg
Scientists have observed the gravitational deflection of starlight and distant galaxies, including Einstein Rings, which are circular distortions of light caused by perfectly aligned galaxies. The James Webb Space Telescope recently captured a beautiful example of an Einstein Ring, showcasing the power of modern telescopes in observing distant celestial objects.

NYC New Subway Map

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A 6-Hour Time-Stretched Version of Brian Eno's Music for Airports

https://cdn8.openculture.com/2025/03/17230218/maxresdefault-17-1024x576.jpg
Brian Eno's 1978 album Music for Airports is a slow, meditative piece that prepares listeners for death. It was first played at La Guardia airport in the 1980s and has since been performed live at various airports worldwide.

"Fiume O Morte " Brilliantly Dramatizes the Rise of a Demagogue

https://media.newyorker.com/photos/59097b758b51cf59fc423c61/1:1/w_270%2Cc_limit/undefined
Croatian director Igor Bezinović's film "Fiume o Morte!" reenacts a tumultuous period in his hometown of Rijeka. The film combines nonfiction elements with fictionalizations of historical events, emphasizing the director's personal connection to the saga.

A steam locomotive from 1993 broke my yarn test

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The user encountered a mysterious error while running yarn test on their React project, which was caused by a naming clash between Jest's sl command and a Steam Locomotive program named sl. The issue was resolved by renaming the Steam Locomotive program, and further investigation revealed that Jest was running the sl command 4 times to cover 16 root directories, resulting in a timeout after 27 seconds.

Electron band structure in germanium, my ass (2001)

https://pages.cs.wisc.edu/~kovar/fittedHall.gif
The user's experiment on germanium resistivity vs temperature found no exponential dependence as expected. Instead, they found noise and issues with equipment and lab support.

Bletchley code breaker Betty Webb dies aged 101

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Charlotte "Betty" Webb, a 101-year-old decorated World War Two code breaker, has died. She was a last surviving Bletchley code breaker and received France's highest honour, the Légion d'Honneur, in 2021.

DEDA – Tracking Dots Extraction, Decoding and Anonymisation Toolkit

https://opengraph.githubassets.com/0b45744a4909f2899fe11b469d5a38ff83b2b89b2b545d1a4b5f3c1334d27b8b/dfd-tud/deda
The document colour tracking dots are small systematic dots that encode information about the printer and printout, and can be read and decoded from a scanned image. A software tool called deda allows anonymisation of these dots to prevent tracking, and can also create custom tracking dots and anonymisation masks.

(2016) Interactive Neural Network Art

ōtoro.net

Circuit Tracing: Revealing Computational Graphs in Language Models (Anthropic)

https://transformer-circuits.pub/2025/attribution-graphs/png/methods.png
Framework for deep learning uses a similar approach to studying qk circuits. it re-writes the underlying model's computation on the prompt in terms of different basic units, with two modifications to the original model, says sanjay gupta, lead author of this paper. he says that fewer than three logits are required to capture 95% of the probability in the cases we study. this work focuses ...

The Tectonics Behind the Myanmar Quake

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A 7.7 magnitude earthquake struck central Myanmar near Mandalay, causing extensive damage and killing over 100 people, with a predicted death toll of up to 10,000. The quake occurred along the Sagaing Fault, a strike-slip fault in Myanmar, and was preceded by a magnitude 6.7 aftershock.

Scientists uncover key mechanism in evolution: Whole-genome duplication drives

https://www.sciencedaily.com/images/scidaily-icon.png
Scientists at Georgia Tech discovered how whole-genome duplication emerges and remains stable in yeast over thousands of generations. The study found that WGD gave yeast an advantage in growing larger and forming multicellular clusters, allowing it to persist and drive adaptation.