How fast is a macOS VM, and how small could it be?

https://eclecticlight.co/wp-content/uploads/2015/01/cropped-eclecticlightlogo-e1421784280911.png?w=200
A macOS VM on a Mac mini M4 Pro with macOS 26.4.1 runs at 98% of host speed, with GPU performance at 95%. A MacBook Neo can run a usable macOS VM with 2 virtual cores and 4 GB of memory.

Why does it take so long to release black fan versions?

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Open Design: Use Your Coding Agent as a Design Engine

https://raw.githubusercontent.com/nexu-io/open-design/main/docs/assets/banner.png
Open Design is an open-source alternative to Claude Design, offering a local-first, web-deployable, and Bring Your Own Key (BYOK) design engine. It uses 31 composable skills and 72 brand-grade design systems.

Why are there both TMP and TEMP environment variables? (2015)

https://devblogs.microsoft.com/oldnewthing/wp-content/uploads/sites/38/2019/02/ShowCover.jpg
Two environment variables, TMP and TEMP, specify temporary file locations. Their usage varies by program, with some preferring TMP and others TEMP.

Becoming a father shrinks your cerebrum

https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20221001_STP503.jpg
Dad brain is real. Discover the latest research on how fatherhood affects the brain. Becoming a father shrinks your cerebrum which may help form parental attachments | Science & technology

Dotcl: Common Lisp Implementation on .NET

https://opengraph.githubassets.com/2cd9878641542edfe78a122650037e287c09c70d584f7d68175a272782f9bfe4/dotcl/dotcl
dotcl is a Common Lisp implementation on .NET that runs on Windows, macOS, and Linux. It embeds Lisp in .NET applications and allows writing .NET code in Lisp.

Show HN: DAC – open-source dashboard as code tool for agents and humans

https://raw.githubusercontent.com/bruin-data/dac/main/resources/dac_optimized.gif
DAC is a Dashboard-as-Code tool for defining and serving dashboards from YAML and TSX. It supports major databases and generates SQL via a built-in semantic layer.

Russia Poisons Wikipedia

https://substackcdn.com/image/fetch/$s_!FQ2C!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8ef50ea0-5cf2-4d5f-b32d-f601743d1ad9_2104x706.png
Russia is manipulating Wikipedia and AI chatbots with pro-Kremlin content to distort public understanding of facts and influence decisions. This operation targets the global internet, rewriting history and culture to promote a Russian narrative.

Show HN: Mljar Studio – local AI data analyst that saves analysis as notebooks

https://mljar.com/_next/static/media/ai-lab-home.0d08c1c6.webp
MLJAR Studio is a local AI data analyst and machine learning engineer that runs on your computer, providing private data analysis and insights. It includes an AI assistant that generates Python code, runs experiments, and improves notebooks for reproducible results.

Ti-84 Evo

https://education.ti.com/-/media/ti/education/images/products/product-details/graphing/84-series/84-evo-shared/overview-evo-animated-screen-math-tools-v2.gif?rev=3e5c20f1-f86c-4050-9cb5-9230c63a8684&la=en&h=420&w=480&hash=C7678842D23A4F35210353A5A2B4B4AF
The input is a JSON object containing a list of commands for a text editor. The commands include editing text, formatting options, and inserting links and images.

Craig Venter of Human Genome Project Dies at 79

https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20260502_OBP501.jpg
James Watson described Francis Crick as modest in his book "The Double Helix". Craig Venter felt underappreciated despite his scientific contributions.

Show HN: Browser-based light pollution simulator using real photometric data

Interactive light pollution analysis with photometric data Bistro Exterior scene · ~25 MB download · WebGPU recommended (WebGL2 fallback available)

Artemis II Photo Timeline

https://artemistimeline.com/web/9608627.jpg
An interactive photo timeline of NASA's Artemis II mission — scrub through every crew moment, lunar flyby shot, and audio clip from April 1–10, 2026.

Show HN: Filling PDF forms with AI using client-side tool calling

https://cdn.simplepdf.com/simple-pdf/assets/common/logo-white.png
Public demo. Your chat messages leave your device and are sent to the selected AI provider. Use sample data only. Edit, fill, and understand PDFs by chatting with them.Learn more about SimplePDF Copilot

New research suggests people can communicate and practice skills while dreaming

https://media.newyorker.com/photos/69f38c2c92c2d134aec145ec/2:2/w_2560%2Cc_limit/image2%2520(4).jpeg
Scientists have been studying sleep learning, where people learn new information while asleep, and found promising results, but early studies were flawed. Recent research has shown that sleep can influence behavior and learning, with some people able to solve puzzles and remember information after waking.

Bitmap and tilemap generation from a single example

https://raw.githubusercontent.com/mxgmn/WaveFunctionCollapse/master/images/wfc.png
The Wave Function Collapse (WFC) algorithm is a texture synthesis method that generates patterns by iteratively collapsing superpositions of pixels into definite states, ensuring the output contains only patterns present in the input. WFC has been implemented in various programming languages and has been used in game development, level generation, and other applications, with many variations ...

To Restore an Island Paradise, Add Fungi

https://yale-threesixty.transforms.svdcdn.com/production/Palmyra-Atoll_USFWS.jpg?w=400&auto=compress%2Cformat&fit=clip&dm=1777370036&s=bca8540c1ea43d9e372f4baeda9e754e
Conservationists on Palmyra Atoll are working to restore native wildlife by removing invasive palm trees and introducing native fungi. Researchers found rare mycorrhizal fungi that could help supply nutrients to Pisonia trees and boost seedling growth.

Show HN: Pollen – distributed WASM runtime, no control plane, single binary

https://opengraph.githubassets.com/894c15f04d079458ccc7a8ecb576d5a5715db444ed2ebd3c46fb56108028f9c8/Sambigeara/pollen
Pollen is a self-organizing mesh that turns heterogeneous machines into generic compute. It uses a gossiped CRDT runtime state for workload placement and routing.

Thoughts on Historical Language Models and Talkie-1930

https://substackcdn.com/image/fetch/$s_!yDNz!,w_2400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa9042430-0a2b-4a20-b62a-ec30b917af33_2040x1322.png
Notes on the history of technology, medicine, science, art, drugs, and empire. Also: AI in research and teaching. By subscribing, you agree Substack's Terms of Use, and acknowledge its Information Collection Notice and Privacy Policy. Imagine talking to the collective consciousness of an era. Not the consciousness of any single person, but instead, a simulated collectivity based on ...

An unknown Sega Saturn project has come to light after 29 years

https://substackcdn.com/image/fetch/$s_!WBNp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcceee168-2926-459f-9c4f-ff399d2ed004_642x627.png
Pyramid is an unreleased Saturn edutainment game about ancient Egypt, developed by Knowledge Adventure and published by McGraw Hill Home Interactive. The game was created by Alexander Ehrath, who was hired to port it to the Saturn but the project stalled at the tech demo stage.

Show HN: Large Scale Article Extract of Newspapers 1730s-1960s

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SFO Gate Explorer

https://www.flysfo.com/sites/default/files/styles/original_image_webp/public/2026-02/Gate%20explorer%20logo%404x_300px.png.webp?itok=A2xRTlI5
To use SFO Gate Explorer, apply online up to 30 days in advance with accurate ID info and wait for TSA approval. Bring your approved digital or printed pass and ID to scan at your selected checkpoint.

CollectWise (YC F24) Is Hiring

https://bookface-images.s3.us-west-2.amazonaws.com/logos/a5be02a3378f664e1f80f2a84997514d00f9fc1f.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAQC4NIECAKS2NGTZR%2F20260502%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20260502T044705Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEG0aCXVzLXdlc3QtMiJHMEUCIAMI3cfIMsm0%2Fte%2FMckDxTL%2Bofj9hrh2VOPH6TPR8EKbAiEA0I191aErypki%2FKjzEuTYC0XVeCd3sdc%2F%2BqH4o2UquCgq5QMINhAAGgwwMDYyMDE4MTEwNzIiDDI%2B4r1amFYx66m9mSrCA1nFHyQ6wL6hVlcbslYrOcOroUoPPyIjh75cEYKBFbSKiPIla1KxNGU6kjeHX8El0wKgMvDXbPeF8vRIbprYECxP4J7x6Olr78FU9GZ71dtN3jb44gP%2BMYSfaL7oabV3QIiynVNuq0lyDo07IQXq7cyPe7Vmp%2FRCqUdT%2Fab6vfhICBJlDD%2Fy%2FcNXzjC7l%2BjcNhJ%2BJKlkhtuZcLvqSUzajhO3JdOENWURUxfqBmpEcRSzDthMTSrT5ZsFyyLJeRbhiXEHjU3VlhFiq6sXi5WYh635UTSiFwPJQEpGDsfR8rEZ28m3AFvsZiAaR3Ex2mAu8%2FBTfDiPtk8GO9UDoIa7mDmy9vC9a2ZCraRhIG3lXhnedVnp%2BF6EFaSPHc1rKfiI7VXP4GUli8%2FPe5mJoE2qb6iQyJ8B1X6EIlSxynUrxJ5NplnnrhSAB%2B7eBkB3r8DPUAmtCmtphZ%2BxHAVnnQRpiN%2BreQ3RogsTMMaZJck1ygCjksMgu%2B6HaLMqN9FmJu%2BJW14WM03VZBy01m%2Fm3qJbEoROvYApqODKwpmsw7tUA2S6Vrkp819BD3y9XmAXZV1FakQZ6HIInQN%2FefIZzBDCGQP0RjDngNbPBjqlAXjJROpI8o%2FoLTNeo2KLJYFwonv91xUDTXb7enw3UFRUvR%2FvS7pVMlICVBF9V9jvYIx%2BP9LSnh%2FhgKV46oREpk3x4PhPaute7pSucZaSzBIDo0IadkvwAFrbJzO1walYQSm68AUDyIsIs3Fs9qFaJkLOY0%2FoEFtNuNGl8AUNpgSPb9%2FYXKxptIV1nY5qYuYgh%2FoFiONFf6pU5o4X%2BpIvs0u7YM2%2Fyg%3D%3D&X-Amz-SignedHeaders=host&X-Amz-Signature=614ac84d9646667ec99bbede02aa8481d5ab0c8f5dcc690c7042274afdb5a4a9
CollectWise is a Y Combinator-backed startup using AI to automate debt collection. They're hiring a Senior Forward Deployed Engineer to lead client implementations and reach $10 million in revenue within a year.

DeepSeek V4–almost on the frontier, a fraction of the price

https://static.simonwillison.net/static/2026/deepseek-v4-flash.png
DeepSeek released V4 series models, DeepSeek-V4-Pro and DeepSeek-V4-Flash, with 1 million token context Mixture of Experts. They are priced at $0.14/million tokens input and $0.28/million tokens output for Flash, and $1.74/million input and $3.48/million output for Pro.

Ask.com has closed

IAC is discontinuing its search business including Ask.com after 25 years. Ask.com officially closed on May 1, 2026, thanking users for their loyalty and trust.

GameStop Preparing Offer for eBay

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I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA

The user discusses various US immigration topics including the new $100k H1B fee, N400 application delays, L1 visa changes, and green card application challenges. They also mention the difficulties of sponsoring H1-B workers for permanent status and the increasing RFE and denial rates for certain green card applications.

LFM2-24B-A2B: Scaling Up the LFM2 Architecture

https://cdn.prod.website-files.com/67cb8aa6e9184b6e44813189/699c94edd6c639c7489d4b4d_MoE%20(1).png
LFM2-24B-A2B is a large language model with 24 billion parameters, released in an early checkpoint, and is deployable across cloud and edge environments. It shows consistent quality gains on standard benchmarks and has favorable throughput scaling, making it suitable for on-device deployment.

A report on burnout in open source software communities (2025) [pdf]

Open source maintainers face burnout due to lack of payment and unsustainable expectations. This leads to a crisis in the open source community, affecting mental health and self-worth.

Lib0xc: A set of C standard library-adjacent APIs for safer systems programming

https://opengraph.githubassets.com/2c64935df94582561c7e37aaec96ca8dc23a30a38d207948e200f8457546e6a2/microsoft/lib0xc
lib0xc is a C library that aims to make systems programming safer by providing safer APIs and utilities. It uses the C preprocessor to expose its API surface and leans heavily on clang bounds safety extensions.