iNaturalist

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iNaturalist is a social network for naturalists! Record your observations of plants and animals, share them with friends and researchers, and learn about the natural world.

Show HN: I built a frontpage for personal blogs

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The frontpage of the indie web. Discover the latest posts from independent blogs across the web.

We replaced RAG with a virtual filesystem for our AI documentation assistant

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The team created a virtual filesystem called ChromaFs to power their documentation assistant, allowing it to explore documentation like a codebase without the need for real sandboxes. ChromaFs uses a Chroma database to provide instant session creation, zero marginal compute cost, and built-in role-based access control, replacing the need for expensive sandboxes.

Go on Embedded Systems and WebAssembly

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TinyGo brings Go to embedded systems and the web with a new LLVM-based compiler. It supports over 100 microcontrollers and produces WebAssembly code for web and edge computing.

Async Python Is Secretly Deterministic

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When adding async support to our Python durable execution library, we ran into a fundamental challenge: durable workflows must be deterministic to enable replay-based recovery. Making async Python workflows deterministic is difficult because they often run many steps concurrently. For example, a common pattern is to start many concurrent steps and use asyncio.gather to collect the results: ...

Samsung Magician disk utility takes 18 steps and two reboots to uninstall

The user had trouble removing Samsung Magician, a disk utility software, from their Mac due to its poor uninstallation process. They had to use multiple commands and even disable and re-enable System Integrity Protection to delete the remaining files.

How to Make a Sliding, Self-Locking, and Predator-Proof Chicken Coop Door (2020)

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Want a secure flock, but don't feel like hand locking a latch or padlock on your coop door every night? Well look no farther! This vertical door slides easily with the small tug of a string that is conveniently located outside your coop. Most importantly, the coop door self locks from the inside as it is lowered, making it IMPOSSIBLE for those darn predators to even TOUCH the lock. If ...

A School District Tried to Help Train Waymos to Stop for School Buses

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Waymo's self-driving cars struggled to stop for school buses in Austin, Texas, with at least 19 incidents reported. The company collected data to fix the issue but continued to have problems, raising questions about the technology's blind spots and ability to learn from mistakes.

The Technocracy Movement of the 1930s

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The technocracy movement, founded in 2021, aimed to replace democracy with a system led by engineers and technicians, but it failed and is now largely forgotten. However, its ideas have unconsciously influenced the 21st century tech elite, who pursue a similar philosophy through more covert means.

Understanding young news audiences at a time of rapid change

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Young people aged 18-24 are now social-first rather than online-first when it comes to news, with 39% saying social media is their main source of news. They consume news less frequently and are less interested in news overall.

Show HN: TurboQuant for vector search – 2-4 bit compression

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TurboQuant compresses high-dimensional vectors to 2-4 bits per coordinate with near-optimal distortion. It's online, zero-training, and faster than FAISS IndexPQFastScan on ARM and within 18-25% on x86.

Build your own Dial-up ISP with a Raspberry Pi

https://www.jeffgeerling.com/blog/2026/build-your-own-dial-up-isp-with-a-raspberry-pi/pi-isp-ibook-hero.jpeg
The user set up a local dial-up ISP using a Raspberry Pi and an old modem to emulate a dial-up connection on an iBook G3 from 1999. They used a phone line simulator and a USB modem to establish a connection and browsed the internet using Macproxy Classic.

April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini

A Recipe for Steganogravy

A Python CLI uses neural linguistic steganography to hide data in recipe blog introductions. It encodes data as natural language using arithmetic coding steganography, requiring the same model and prompt for decoding.

F-15E jet shot down over Iran

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A US F-15E Strike Eagle fighter was shot down over Iran, prompting a US search and rescue effort for its two crew members. One crew member was reportedly rescued in a high-risk operation, with the fate of the second crew member still unclear.

SSH certificates: the better SSH experience

SSH certificates provide a better and more seamless SSH experience by eliminating the need for Trust on First Use (TOFU) and allowing for short-lived keys, forced-commands, and automated key management. An SSH CA can be used to sign host keys and user keys, making it easier to manage SSH connections and eliminating the need for manual key deployment and TOFU.

If you're running OpenClaw, you probably got hacked in the last week

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, try resetting to default User-Agent or file a ticket for assistance.

Big-Endian Testing with QEMU

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The terms big endian and little endian refer to the order of a value's bytes in memory, with big-endian storing the most significant part first. QEMU provides a solution to test big-endian systems by emulating a big-endian architecture and cross-compiling code.

What Category Theory Teaches Us About DataFrames

The author analyzes the structure of dataframes and identifies three fundamental operations: Delta (restructuring), Sigma (merging), and Pi (pairing), which can be used to build a dataframe algebra. Category theory provides a framework for understanding these operations and their relationships, allowing for a more principled design of dataframe libraries.

Show HN: Apfel – The free AI already on your Mac

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apfel is a CLI tool that exposes Apple's built-in LLM on Macs with Apple Silicon. It provides a way to access the LLM through a terminal, code, or chat, without network calls or API keys.

ESP32-S31: Dual-Core RISC-V SoC with Wi-Fi 6, Bluetooth 5.4, and Advanced HMI

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Espressif Systems announces ESP32-S31, a high-performance SoC with Wi-Fi 6, Bluetooth 5.4, and Ethernet for IoT applications. It features a dual-core RISC-V microcontroller, robust security, and comprehensive connectivity for smart appliances and industrial automation.

TDF ejects its core developers

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The author of this blog post is a Collabora employee who works on LibreOffice support and services. They express concern over the TDF board's actions, particularly the ejection of long-time contributors without explanation or apology.

Show HN: An evidence-rated encyclopedia of peptides

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The user discusses 77 compounds with varying levels of clinical evidence, emphasizing the importance of FDA approval and controlled human trials for determining real effects. Many of these compounds lack regulatory approval and have unverified dosing, quality control, and safety profiles, posing serious health and legal risks.

Firm boosts H.264 streaming license fees from $100k up to staggering $4.5M

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Via LA restructured H.264 streaming license fees in a tiered system topping at $4.5 million per year for large platforms. The change applies to new license seekers in 2026 or later, not affecting existing license holders.

Solana Drift Protocol drained of $285M via fake token and governance hijack

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Attackers drained $285 million from Drift Protocol on April 1, 2026, in a 12-minute exploit targeting governance, not smart contract code. The hack was likely perpetrated by North Korean hackers using social engineering and durable nonces.

Mercurial Dyson – a plan for the disassembly of planet Mercury

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A self-replicating industrial seed on Mercury grows exponentially through 58 doublings, but local power and surface area limitations force a transition to a heliocentric power-and-logistics system. The project's growth regime changes from Mercury-disk-limited to collector-limited, with the sunward collector and microwave return link becoming the primary power source.

Category Theory Illustrated – Types

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Type theory is a mathematical theory that is an alternative to set theory and category theory, and it is used to define collections of objects that are interesting without accidentally defining collections that lead to paradoxes. Type theory is based on the idea that the interesting collections are the source and target of functions, and it is used to define types and functions in a way that ...

NHS staff refusing to use FDP over Palantir ethical concerns

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NHS staff are refusing to work on the Federated Data Platform due to ethical concerns with US-based provider Palantir. The government is under pressure to eject Palantir from NHS systems amid growing dissent over the company's suitability to manage national health data.

What we learned building 100 API integrations with OpenCode

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Developers built an autonomous agent that generates API integrations across five platforms in 15 minutes and under $20, using skills and a simple orchestrator. The agent learned from its mistakes and was improved with better instructions, tighter edit permissions, and explicit checks to produce trustworthy integrations.

Solar and batteries can power the world

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Solar and batteries can supply 90% of electricity for 80% of the world's population at less than 80 €/MWh by 2030. Adding wind and other energy sources can help alleviate costs in high-latitude regions.