Localsend: An open-source cross-platform alternative to AirDrop

https://camo.githubusercontent.com/f0ab3879f57aff14cff2cbecd2dde800add5c488f3b84443215dbd599ec5a722/68747470733a2f2f6c6f63616c73656e642e6f72672f696d672f73637265656e73686f742d70632e77656270
LocalSend is a free, open-source app for secure local file sharing and messaging over a network without an internet connection. It uses HTTPS encryption and a REST API for secure communication between devices.

Microsoft VibeVoice: Open-Source Frontier Voice AI

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VibeVoice is an open-source AI framework for speech synthesis and recognition, supporting multiple languages and long-form audio processing. It includes models for text-to-speech and automatic speech recognition, with features like speaker tracking and customized hotwords.

Show HN: Live Sun and Moon Dashboard with NASA Footage

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A dynamic sphere of plasma photographed by NASA's SDO every 12 seconds in 12 wavelengths — from the 5,000 K surface to 10-million-degree flare plasma. Each wavelength reveals a hidden layer of solar activity. Completing a cycle every 29.53 days. Lumara uses Jean Meeus's Astronomical Algorithms — the same methods used by professional observatories — to calculate phase, illumination, ...

The World's Most Complex Machine

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ASML, a Dutch company, dominates the market for lithography machines used in semiconductor manufacturing. Its machines are crucial for producing the world's smallest chips.

Talkie: a 13B vintage language model from 1930

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Researchers have created a 13B vintage language model called talkie-1930-13b-base trained on 260B tokens of historical pre-1931 English text to simulate conversations with people from the past. The model's performance is compared to its modern counterpart, with talkie underperforming in some standard LM evaluations but showing similar performance on core language understanding and numeracy tasks.

GitHub Copilot code review will start consuming GitHub Actions minutes

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GitHub Copilot code review will be billed as AI Credits under a new usage-based model starting June 1, 2026. Private repository reviews will consume GitHub Actions minutes from existing plans, with excess usage billed at standard rates.

Microsoft and OpenAI end their exclusive and revenue-sharing deal

Microsoft and OpenAI dropped exclusive deal allowing OpenAI to pursue deals with other cloud-computing companies. Microsoft will no longer pay revenue share on OpenAI products resold on its cloud.

The predictable failure of the QDay Prize

The QDay Prize competition failed due to a "Falling With Style-style trick" submission that used random calls instead of quantum calls. This highlights the need for a blameless post-mortem to improve future competitions.

OpenAI CEO's Identity Verification Company Announced Fake Bruno Mars Partnership

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Tools For Humanity announced a partnership with Bruno Mars, but it was later revealed to be a case of mistaken identity. The company is actually partnering with Thirty Seconds to Mars on their 2027 European tour.

Is my blue your blue? (2024)

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Test your color perception with this interactive test.

Can You Find the Comet?

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A comet is visible in the night sky, but it's hard to see due to its proximity to the Sun. It will be best viewed from southern hemisphere skies in coming weeks before fading into interstellar space.

I Spent My Sabbatical Building a Power Meter for Sledgehammers

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The founder built a power meter for sledgehammer strikes, called Intensity Pad, during a paid month off from Shopify. The project aimed to make a fundamental human movement, core flexion, more measurable and trainable.

WASM is not quite a stack machine

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Wasm is not a pure stack machine due to its lack of stack manipulation operations. It can be viewed as a register machine with operations generalized to compound expressions.

GTFOBins

GTFOBins is a curated list of Unix-like executables that can be used to bypass local security restrictions in misconfigured systems.

UAE to leave OPEC in blow to oil cartel

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Deep under Antarctic ice, a long-predicted cosmic whisper breaks through

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Mo RAM, Mo Problems (2025)

The author built a Quake PC with 384 MiB of RAM, but performance suffered due to the 430FX chipset's 64M cache limit. Removing excess RAM restored performance, revealing a common issue with Windows 95 and NT loading from the top down.

Period tracking app has been yapping about your flow to Meta

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A woman's period tracking app, Flo, shared her sensitive health data with Meta without consent, violating her trust and potentially selling her data for commercial gain. This highlights a bigger issue in non-medical health tracking software, where there's too much gray area around consent when it comes to selling user health information to advertisers.

Pgrx: Build Postgres Extensions with Rust

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PGRX is a Rust framework for developing PostgreSQL extensions, supporting various platforms and PostgreSQL versions. It provides a safe and idiomatic way to interact with PostgreSQL internals.

4TB of voice samples just stolen from 40k AI contractors at Mercor

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A data breach at Mercor exposed 40,000 contractors' voice biometrics and ID documents. Attackers can use this data to clone voices and commit crimes like bank verification bypass and vishing.

In Kannauj, perfumers have been making monsoon-infused mitti attar for centuries

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Tiled Words 6 Month Update

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User wanted to make games since childhood, but struggled to create a successful game as an adult. However, their game Tiled Words surpassed expectations with thousands of daily players and an award, allowing them to release new puzzles daily and engage with a supportive community.

Men who stare at walls

https://www.alexselimov.com/posts/men_who_stare_at_walls/cover.webp
User tried Simple Lucas' focus routine, staring at a wall to recover focus, and found it effective but hard. They attribute their lack of focus to information overload and use wall staring with parasympathetic activation and mind blanking to improve productivity.

An Update on GitHub Availability

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GitHub experienced two recent incidents due to rapid growth in software development and has started increasing capacity by 10X with a goal of substantially improving reliability and failover. The company is prioritizing availability, reducing unnecessary work, improving caching, and isolating critical services to prevent similar incidents in the future.

Meetings are forcing functions

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Organizations can use standing meetings to maintain progress on complex projects with multiple stakeholders. By reviewing previous to-dos, it creates pressure to make progress and accountability among team members.

High Performance Git

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The book explains Git's performance costs through its layers, including objects, refs, index, and history traversal. It's written for engineers to keep Git fast as repositories grow, covering diagnosis, configuration, and recovery.

Three men are facing charges in Toronto SMS Blaster arrests

Toronto Police launched Project Lighthouse in November 2025 to combat an SMS blaster operating in downtown Toronto. The device mimicked a cellular tower, sending fraudulent texts to thousands of devices, posing a threat to public safety and financial security.

Easyduino: Open Source PCB Devboards for KiCad

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The Easyduino project is an open-source effort to create PCB designs for popular microcontrollers using KiCad. It aims to unify software and conventions across devboards like Arduino, ESP32, and Raspberry Pi.

Networking changes coming in macOS 27

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Apple is warning of two significant changes in macOS 27: removal of AFP support and a requirement for TLS 1.2 connections to certain servers. These changes may impact enterprise users and those with Time Capsules or NAS systems that don't support SMB3.