Olmo 3: Charting a path through the model flow to lead open-source AI

275 mseri 2025-11-21 07:34:20 UTC allenai.org Llama Share 68

Olmo 3 is a fully open AI model that exposes its entire development flow, enabling customization and adaptation. It delivers strong performance in various tasks, including reasoning, programming, and math problem solving, with a focus on transparency and accountability.

Building a Minimal Viable Armv7 Emulator from Scratch

41 xnacly 2025-11-21 13:34:20 UTC xnacly.me Llama Share 6

The user built a tiny, zero-dependency armv7 userspace emulator in Rust called stinkarm, which parses and validates 32-bit arm binaries, decodes arm instructions, and translates guest and host memory interactions. The emulator can run an armv7 hello world binary in 1.9ms and is ~100-1000x slower than native armv7 execution, with a total pipeline execution time of about 2ms.

It's hard to build an oscillator

155 chmaynard 2025-11-21 08:34:20 UTC lcamtuf.substack.com Llama Share 59

The user discusses building an oscillator circuit using a single n-channel MOSFET and a Schmitt trigger to create a relaxation oscillator. Two alternative oscillator circuits are also presented, one using an operational amplifier and another using an R-C lowpass filter to produce a sine wave.

Making a Small RPG

43 ibobev 2025-11-21 13:34:20 UTC jslegenddev.substack.com Llama Share 13

The user is creating an RPG game using JavaScript and the KAPLAY game library, drawing inspiration from older games like Dragon Quest 1 and Undertale, and aims to create a game with a unique battle system and open-world exploration. The game, set in the land of Hydralia, features a battle system where the player must dodge projectiles and attack enemies, with a focus on upgrading stats and ...

Scientists now know that bees can process time, a first in insects

113 Brajeshwar 2025-11-21 08:34:20 UTC cnn.com Llama Share 52

Researchers found that bumblebees can process the duration of flashes of light to decide where to find food, a complex ability previously thought to be unique to humans and other vertebrates. This discovery shows that bees possess a sophisticated sense of time and can learn using novel stimuli, challenging the idea that they are simple "machines driven by instinct."

Nano Banana Pro

1165 meetpateltech 2025-11-20 16:34:20 UTC blog.google Llama Share 641

Nano Banana Pro is a new image generation and editing model that uses Gemini 3's state-of-the-art reasoning to visualize information and create more helpful content. It offers advanced creative controls, text rendering, and multilingual support for creating detailed and expressive images.

I converted a rotary phone into a meeting handset

101 todsacerdoti 2025-11-21 09:34:20 UTC stavros.io Llama Share 50

The user converted an old Siemens rotary phone into a meeting handset with a keyboard and soundcard combo, using a Raspberry Pi RP2040 microcontroller and a USB sound card. They used a combination of coding and Large Language Model (LLM) assistance to overcome various challenges and successfully connect the phone to their computer for use in meetings.

Open Source and Local Code Mode MCP in Deno Sandboxes

58 pmkelly4444 2025-11-21 12:34:20 UTC portofcontext.com Llama Share 18

pctx is an open-source framework that presents MCP servers as code APIs, reducing token usage by 98.7% and enabling parallel execution. It's designed for production environments and works with any LLM, providing full control and cost savings.

Android and iPhone users can now share files, starting with the Pixel 10

779 abraham 2025-11-20 17:34:20 UTC blog.google Llama Share 472

Google introduced Quick Share compatibility with AirDrop for easier file transfer between iPhones and Android devices. This feature starts rolling out today to the Pixel 10 family with strong security safeguards.

FAWK: LLMs can write a language interpreter

137 todsacerdoti 2025-11-21 10:34:20 UTC martin.janiczek.cz Llama Share 120

The user tried to implement AWK for Advent of Code but found it hard due to its lack of modern features. They then used a Large Language Model to generate a working AWK interpreter with additional features.

My Favorite Math Problem

16 mapehe 2025-11-21 13:34:20 UTC bytesauna.com Llama Share 6

A math enthusiast shares a problem about a mutilated chessboard that cannot be covered with 2x1 blocks. The problem illustrates the importance of existence in mathematics and the potential for computers to aid in mathematical research through type theory.

WebAssembly from the Ground Up

203 gurjeet 2025-11-21 04:34:20 UTC wasmgroundup.com Llama Share 46

The book teaches WebAssembly by writing a compiler for a toy programming language, focusing on the instruction set and module format, with step-by-step code examples in JavaScript. It's designed for experienced programmers who want to understand WebAssembly's low-level details, with optional deep dives and no prior compiler expertise required.

EXIF orientation info in PNGs isn't used for image-orientation: from-image

58 justin-reeves 2025-11-21 13:34:20 UTC bugzilla.mozilla.org Llama Share 52

JPEG and PNG images with same EXIF info are rotated differently in Safari, Chrome, and Firefox. Browser inconsistencies occur due to EXIF data placement and handling.

Roundtable (YC S23) Is Hiring Two Sales Development Representatives (SDRs)

0 2025-11-21 12:34:20 UTC ycombinator.com Llama Share

Roundtable is hiring an SDR to generate sales pipeline, engage with key targets, and articulate the value of online security. The ideal candidate is a forward thinker with strong communication skills and a passion for technology.

FEX-emu – Run x86 applications on ARM64 Linux devices

247 open-paren 2025-11-20 23:34:20 UTC fex-emu.com Llama Share 101

FEX allows running x86 apps on ARM64 Linux devices with broad compatibility and API call forwarding. It features a recompiler, system call translation, and a user-friendly GUI for tweaking performance settings.

Ancient Roman Glass Reveals a Hidden "Language"

20 DrierCycle 2025-11-21 12:34:20 UTC nautil.us Llama Share 1

Archaeologist Hallie Meredith discovered a secret collective of ancient Roman artisans behind prized glasswork, using symbols as a visual language. Her findings suggest artisans collaborated in regional workshops, challenging the static picture of ancient craftworkers.

How a French judge was digitally cut off by the USA

141 i-con 2025-11-21 12:34:20 UTC heise.de Llama Share 147

A French judge, Nicolas Guillou, is experiencing digital isolation due to US sanctions, unable to use US companies for banking and e-commerce. He advocates for Europe to gain digital sovereignty to ensure the rule of law is not compromised by US influence.

Is C++26 getting destructive move semantics?

15 signa11 2025-11-21 15:34:20 UTC stackoverflow.com Llama Share 5

You want to express a function that consumes an object without running its destructor. The C++ specification lacks a way to do this directly, requiring manual memory management with placement-new and std::destroy_at.

Show HN: 32V TENS device from built from scratch under $100

53 autonomydriver 2025-11-21 07:34:20 UTC littlemountainman.github.io Llama Share 11

A monophasic TENS device was built for a family member using a 3.7V LiPo battery, boost converter, and ATmega32U4 microcontroller to generate adjustable stimulation waveforms. The device has five channels for localized stimulation, a common ground reference, and a total cost under $100.

The Qtile Window Manager: A Python-Powered Tiling Experience

43 stonecharioteer 2025-11-21 08:34:20 UTC tech.stonecharioteer.com Llama Share 15

The user is a long-time XFCE user who recently switched to Qtile, a Python-based tiling window manager, for its extensibility and productivity. They customized Qtile with a consistent color palette, custom icons, and hardware-aware components.

New OS aims to provide (some) compatibility with macOS

289 kasajian 2025-11-20 20:34:20 UTC github.com/ravynsoft Llama Share 137

ravynOS is a new open source OS project that aims to provide a similar experience to macOS on x86-64 systems. It builds on FreeBSD and supports macOS applications and folder layouts.

Over-regulation is doubling the cost

287 bilsbie 2025-11-20 23:34:20 UTC rein.pk Llama Share 545

The author, a successful entrepreneur, is frustrated with regulatory bottlenecks hindering the growth of hardtech companies, which are crucial for climate fixes and US manufacturing.

Show HN: Search London StreetView panoramas by text

7 dfworks 2025-11-21 12:34:20 UTC london.publicinsights.uk Full Share 7

Search London StreetView panoramics by text

Hilbert space: Treating functions as vectors

114 signa11 2025-11-21 02:34:20 UTC eli.thegreenplace.net Llama Share 43

Functions can be viewed as vectors with infinite dimensions, allowing linear algebra tools to be applied to them. A Hilbert space is formed by square integrable functions with an inner product operation, enabling the use of linear algebra in infinite dimensions.

HP and Dell disable HEVC support built into their laptops' CPUs

180 latexr 2025-11-21 10:34:20 UTC arstechnica.com Llama Share 105

Dell and HP have disabled HEVC hardware decoding on some laptops, despite processors having integrated support. Owners can use third-party software or disable hardware acceleration in their web browser for HEVC playback.

Data-at-Rest Encryption in DuckDB

208 chmaynard 2025-11-20 19:34:20 UTC duckdb.org Llama Share 22

DuckDB v1.4 supports database encryption capabilities using AES-GCM and AES-CTR ciphers. Encryption has a minimal performance impact, making it suitable for real-world database workloads.

Okta's NextJS-0auth troubles

348 ramimac 2025-11-20 16:34:20 UTC joshua.hu Llama Share 135

The user reported a security issue to Okta's auth0/nextjs-auth0 project, but the maintainer used AI to generate a response and incorrectly attributed the user's contribution. The maintainer also failed to fix the attribution mistake and released new versions of the software despite the user's concerns about the vulnerability's severity.

Free interactive tool that shows you how PCIe lanes work on motherboards

244 tagyro 2025-11-20 16:34:20 UTC mobomaps.com Full Share 57

NTSB Preliminary Report – UPS Boeing MD-11F Crash [pdf]

199 gregsadetsky 2025-11-20 18:34:20 UTC ntsb.gov Llama Share 208

A UPS MD-11F cargo plane crashed shortly after takeoff from Louisville Muhammad Ali International Airport on November 4, 2025, killing 3 crew members and 11 people on the ground. The investigation found that the left engine and pylon separated from the wing due to fatigue cracks and overstress failure, leading to a loss of control and subsequent crash.

The Lions Operating System

191 plunderer 2025-11-20 18:34:20 UTC lionsos.org Llama Share 57

LionsOS is an operating system based on seL4, aiming for performance, security, and reliability. It's a composable system with custom components joined using Microkit, allowing for specific task-based OS creation.