Show HN: Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)

Bento/Slides

Terrence Tao's ChatGPT Conversation about the Jacobian Conjecture Counterexample

https://cdn.openai.com/chatgpt/share-og.png
Use ChatGPT to answer questions, write, create images, complete work, and code—all in one place. Get started for free or download the app.

Making

https://beej.us/blog/data/ai-making/images/nail.jpg
The author feels a strong connection to making things and finds fulfillment in creating projects, but struggles with claiming credit for AI-generated work. They believe there's a difference between making something and asking someone else to make it.

GigaToken: ~1000x faster Language model tokenization

https://opengraph.githubassets.com/19c4444bdaa2e9455f89b61620c0a76b30f5c5f6ce96e28877ebd119c026524b/marcelroed/gigatoken
Gigatoken is a fast tokenizer for language modeling that supports various CPUs and tokenizers, offering significant speed improvements over HuggingFace Tokenizers. It uses SIMD and caching to achieve 1000x faster byte-pair encoding tokenization.

The startup's Postgres survival guide

https://hatchet.run/assets/alexander-DJQH1e6h.jpg
The user is creating a guide for optimizing Postgres performance, covering topics such as indexing, query planning, and autovacuum, and recommends using connection poolers and batching to improve throughput. The guide also touches on advanced Postgres features like row-level locking, partitioning, and triggers, and provides tips for migrating large tables and avoiding table bloat.

Can a MUD evaluate LLMs? A $99 proof of concept

https://cruciblebench.ai/social-card.png
CrucibleBench applies a design philosophy to AI evaluation using a MUD with constraints that make behavior measurable. It detects hallucinated actions, measures trust and suspicion, and assesses action efficiency in a persistent text world.

Launch HN: Unlayer (YC W22) – Add email and document builders to your app

https://unlayer.com/_next/image?url=%2Fhome-builder-showcase.png&w=3840&q=75
Our platform offers beautiful builders for emails, pages, and documents with AI assistance and developer APIs for seamless content creation. It embeds one or all four builders in your app, providing a unified experience with a helpful layer and full developer surface.

Airbus Full Scale Foldable Wing Extensions

https://mediarenditions.airbus.com/v-Gf8PiU6uWi1lECiYdjONTK18FUH5JLOiuywC6bmtg/resize?src=kpkp%3A%2F%2Fairbus%2F38%2F669%2F669220-p3dvu5wugd.jpg&w=480&h=270&poiX=50&poiY=50&el=true&t=fill-down
Airbus is launching a new flight-test campaign to evaluate high-span wings for next-generation single-aisle aircraft. The campaign will test full-scale wing extensions on an A321neo aircraft over the next three years.
https://www.orangecrumbs.com/hall/assets/social-card.png
5+ submissions · 3+ distinct submitters · 3+ active years · 2 qualifying breakout events from different submitters at least 720 days apart. See exact thresholds and limitations

Perlin's Noise Algorithm

https://blog.jaysmito.dev/_astro/perlin-noise-random.B4upt92-_ZHHzBp.webp
Noise is a function that generates values following specific rules, and it can be classified into 1D, 2D, 3D, etc., based on the number of parameters it takes. Perlin noise is a type of noise developed by Ken Perlin in 1983, which uses precalculated unit vectors and a permutation table to generate a smooth, coherent noise pattern.

Mechanical light bulb from 1675 [video]

Critical Minerals: Reducing U.S. Import Reliance with Substitution and Recycling

You don't have permission to access "http://www.gao.gov/products/gao-26-108687" on this server.

10 REM"_(C2SLFF4

https://beej.us/blog/data/mystery-comment/images/wcas.jpg
The author of the 80s microcomputer game The Wizard's Castle embedded machine code in a REM statement to seed the PRNG, which was not immediately apparent due to the use of non-ASCII encoded glyphs. The machine code was later discovered to be a routine that retrieves a random value from the screen and uses it to seed the PRNG, providing a unique randomly-generated dungeon for each game.

Ghost Cut – or why Cut and Paste is broken everywhere

https://ishmael.textualize.io/assets/img/blog/ghostcut.gif
The user discusses the flaws in traditional cut and paste functionality, including undo issues and document reflow. They propose a new feature called "Ghost Cut" that allows for a reversible and undoable text move operation.

"We have information that Moonshot distilled Fable for the development of K3"

https://pbs.twimg.com/profile_images/2036415476335833088/WPlUcJxT_200x200.jpg
Moonshot AI developed a platform to distill Anthropic's Fable for its K3 model, using U.S. models and evading detection. The US supports open AI innovation, but large-scale covert distillation to steal tech is unacceptable.

Ethics Is the Skill That Matters Most Now

As AI amplifies capabilities, ethics becomes the binding constraint on catastrophe, requiring a shift from treating it as a vibe or rulebook to a trainable skill. The system must change what gets rewarded, prioritizing incentives, accountability, and media structures to prevent the elevation of people without ethics.

Introduction to Formal Verification with Lean Part 1

https://framerusercontent.com/images/SGVAzKgV3Z8ZmS9wfKGBKxUfA.png?width=1758&height=1160
Formal verification is a tool used to verify correctness of mathematical statements, and Lean is a functional programming language and theorem prover that can be used to write down proofs in code and get them machine-checked. The tutorial aims to introduce cryptography engineers to the basics of formal verification using Lean by walking through the very basics of Lean and formally verifying ...

Neo Radar: A browser-based orbital mechanics engine with 41k real asteroids

NEO Radar integrates trajectories from JPL Horizons with full gravitational perturbations from outer planets, providing accurate numbers for mission planners. It also accounts for the keyhole problem in Jupiter-flyby trajectories and includes observation arcs and uncertainty parameters.

Passkeys were invented by engineers with zero understanding of consumer brain

https://pbs.twimg.com/profile_images/1755448801957945344/Fh2HNw5Y_200x200.jpg
Passkeys were invented by security engineers with zero understanding of the consumer brain. We had no way to argue its merits since no one understood what they are. As a result, we are now all asked to produce the magic fairy dust to login to apps. It may be on your phone, in your browser, in your operating system, in your body, who knows. But now you’re safe.

Show HN: DeepSQL – A self-hostable DBA agent for Postgres and MySQL

https://deepsql.ai/assets/claude-D_ikSYls.png
DeepSQL optimizes database performance, cuts costs by 40%, and provides BI dashboards. It installs on Linux, EC2, or containers, indexes schema, and learns workloads for senior DBAs and data engineers.

Nobody knows what a used GPU cluster is worth

https://substackcdn.com/image/fetch/$s_!PVG7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5a783afd-54c3-4c94-b9ee-510cad590c80_2240x1356.png
By subscribing, you agree Substack's Terms of Use, and acknowledge its Information Collection Notice and Privacy Policy. If xAI defaults on its debt, Apollo Global Management ends up in the GPU rental business. That is in the contract, signed in June 2025, on a five billion dollar debt facility arranged by Morgan Stanley. The lenders have the right to take over Colossus, the company’s ...

OpenNode – Bitcoin Payment Processor

https://opennode.com/_nuxt/img/Hero.34316e4.jpg
Get lightning-fast, low-cost bitcoin payments and payouts for your business with our powerful API, ecommerce plugins, or hosted payment pages. We integrated easily with OpenNode's API to accept bitcoin transactions both on- and off-chain with minimal fuss.

Show HN: Web swing through midtown NYC

GENERATING VOXEL MANHATTAN…

Intel Starts Shipping High-NA EUV Silicon

https://substackcdn.com/image/fetch/$s_!sodI!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf90b04e-f34e-4418-a974-018ec1594feb_4000x2667.jpeg
Intel has started using its High-NA EUV scanner in production, patterning layers on its newest notebook processors. The tool, worth $380 million, is a big step forward in chip production but its long-term economics are still uncertain.

Hologram works. Elixir runs in the browser

https://hologram.page/images/logomarks/oban-152c42de3d2737b4edac356d7f718b51.svg
Hologram, a full-stack framework, has made significant progress with Elixir running in the browser and a local-first data layer being built. Companies can sponsor Hologram to support its development and gain benefits such as priority on the roadmap and recognition in release announcements.

Cornell's Interactive Wall of Birds

The website is using Cloudflare security and blocked my action, possibly due to a trigger like a certain word or SQL command. I was trying to perform an action when this page came up, and the Cloudflare Ray ID is needed to report the issue to the site owner.
https://platform-fools.com/posts/2026-04-27-nvlink/images/inference_tg_x16_nvlink_vs_shm.svg
The author tested NVLink on two RTX 3090s and found it provides a 30% boost in prompt processing speed for tensor parallel inference and a nearly 3x improvement in FSDP training. However, the benefit is largely due to enabling P2P over PCIe, which is disabled by Nvidia on consumer GPUs.

Which streaming service was that on again

https://www.timwehrle.de/fileadmin/_processed_/5/4/csm_oscar-nord-Sd87V72cJEU-unsplash_f7aef4745c.webp
The author is a movie fan who dislikes the current state of streaming services, which have become fragmented and confusing. They feel that the original promise of streaming has been lost due to the proliferation of multiple services and the return of ads.

Most Americans say "not in my backyard" to AI data centers

https://www.redfin.com/news/wp-content/uploads/2026/07/avi-werde-VcWqA204WWY-unsplash-150x150.jpg
Most US residents oppose building AI data centers in their neighborhoods, with 53% opposing and 34% supporting. However, data centers in northern Virginia have contributed to a surge in education spending and lower property-tax rates for homeowners.

Original Apollo 11 Guidance Computer source code for command and lunar modules

https://opengraph.githubassets.com/256e33c9e8f674590433a9eb59ecf85055ffaf599365d27d106ae9e570114d18/chrislgarry/Apollo-11
The Apollo 11 source code for Command Module and Lunar Module has been digitized and made available in a repository for corrections and additions. The code was transcribed from original scans and is intended for use in the Command Module as specified in report R-577.