The Zilog Z80 has turned 50

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The Zilog Z80, launched 50 years ago in 1976, became a foundational 8-bit processor for early computers and embedded systems, influencing CP/M and spawning clones like the GameBoy’s LR35902, while its industrial use persisted until 2024. The author’s DIY Z80 projects and exploration of its evolution from the 8080 highlight its technical legacy, from simplified interfacing to advanced features ...

AWS: Inaccurate Estimated Billing Data – $1.7 billion

AWS users reported massive unexpected billing estimates (up to $595B) due to a billing console bug, causing panic and infrastructure shutdowns. The incident highlights urgent need for AWS to improve error communication and billing accuracy.

Thanks HN for 15 years of support and helping me find my life's work

Celebrating 15 years, Recurse Center began as a YC 2010 startup, pivoting from failed ventures to a self-directed programming retreat, driven by Hacker News (HN) for growth. Though not a billion-dollar venture, it's impacted over 3,000 programmers, with HN as a key applicant source and catalyst for the founder's work—thanking HN!

First atmosphere found on Earth-like planet in habitable zone of distant star

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Researchers discovered the first atmosphere on an Earth-like rocky planet, LHS 1140b, in a star's habitable zone, detecting helium but noting other gases might exist, marking progress in the search for extraterrestrial life. While not confirming life, this finding, alongside studies of planets like K2-18b and TRAPPIST-1, highlights ongoing efforts to identify habitable worlds beyond our solar system.

The US Grocery Slowdown Is Real

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The US grocery slowdown has entered a new phase. Our analysis of NielsenIQ grocery data shows a trend in negative unit growth starting in mid-2025, masked by steady price increases. But since February 2026, units have stepped down sharply enough to pull sales lower across the US. Prices are still climbing 2% to 3% year over year, roughly in line with food-at-home inflation, while units are ...

Learning a few things about running SQLite

Using SQLite with Django revealed performance issues resolved by `ANALYZE`, but concurrency challenges during deletions caused crashes, prompting consideration of Postgres for scalability. Despite backup efforts and small-scale success, SQLite's limitations highlight the need for better database management as projects grow.

Kimi K3, and what we can still learn from the pelican benchmark

https://static.simonwillison.net/static/2026/kimi-3-pelican.jpg
Moonshot AI's Kimi K3, a 2.8T-parameter model, claims top performance in benchmarks, open weights by July 2026, and high pricing ($3/$15 per million tokens), outperforming peers in code tasks but costing 25 cents for a complex SVG generation test.

Frame – Linux X server in Assembly

https://isene.org/assets/posts/framestack.png
The author created a custom X server, "frame," in Assembly to replace X11, building a minimalist, efficient system with full control. This stack, alongside Rust tools, offers improved battery life, stability, and ownership, all released to the Public Domain.

FAA lets Boeing sign off on 737 MAX, 787 airworthiness certificates again

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The FAA has reinstated Boeing's authority to issue airworthiness certificates for 737 Max and 787 Dreamliners after evaluating comparable quality to its own, following crashes and a 2024 incident, signaling regulatory confidence in the company's safety improvements.

The state of open source AI

Open-source AI models are gaining traction globally, offering cost-effective, customizable solutions across sectors like healthcare, finance, and agriculture, with growing adoption by developers and enterprises. They enable ownership, interoperability, and resilience against vendor lock-in, though challenges in operational tooling and trust persist.

Lobste.rs is now running on SQLite

In 2025, a collaborative SQLite migration for Lobsters resolved performance issues, reducing CPU/memory usage and costs after overcoming initial deployment challenges. The project, initiated in 2019, closed #539 with fixes for full table scans and data type adjustments, emphasizing thorough testing and communication.

Show HN: A zoomable timeline of 4M Wikipedia events

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Explore the timeline of everything, from the Big Bang to the present day, and beyond. Discover the history of the universe, life on Earth, and human civilization in a new and interactive way.

Frank Lloyd Wright’s first home

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Frank Lloyd Wright's Oak Park Home and Studio (1889-1909) in Illinois, where he designed Prairie-style masterpieces like the Robie House, is a preserved National Historic Landmark showcasing his early architectural evolution. Restored by the Frank Lloyd Wright Trust since 1974, the site offers guided tours of his living and workspaces, reflecting his innovative design philosophy.

Three ways people respond to a problem (other than solving it)

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Consultants tackle entrenched problems, often revealing systemic issues where solutions shift, perpetuate, or create new problems due to flawed incentives. Success requires balancing problem-solving with strategic prioritization and recognizing that some issues persist because they benefit certain stakeholders.

Show HN: Tarit – a hypervisor which is 2x faster than firecracker

https://opengraph.githubassets.com/aac06f966ec8b35387355767a29ac17e298e08e988d5b4dabd62b847fc5d493d/instavm/tarit
Tarit is a microVM platform for secure, fast, ephemeral sandboxes, built for AI agent workloads. It boots a real hardware-virtualized VM in milliseconds, runs a task inside it, and tears it down, giving each sandbox kernel-level isolation instead of a shared-kernel container boundary. vmm/ - the Tarit VMM, a minimal rust-vmm based microVM monitor (the hypervisor layer). One process runs one ...

Show HN: Watch bots interact with an SSH honeypot in real time

The dashboard provides live SSH honeypot telemetry for security research, showing IPs, credentials, and commands from incoming connections. Source IPs may indicate compromised systems or bots, and displayed data includes untrusted content requiring caution.

US seeks share of Korean chipmakers' 'excess profits'

https://newsimg.koreatimes.co.kr/2026/07/16/dec2e036-80e5-4ae9-b9e2-a5ac3c0013db.png?w=728
The U.S. seeks a share of Korean semiconductor profits, citing American purchases, amid debates over profit redistribution to subcontractors and public. Record Korean chip exports to the U.S. and Washington's push for domestic manufacturing expansion highlight tensions over commercial vs. public interests.

AI Meets Cryptography 2: What AI Found in OpenVM's ZkVM

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zkao, an AI auditor, discovered a critical soundness bug (CVE-2026-46669) in OpenVM's pairing library, enabling forged pairing checks, fixed in v1.6.0. While standard LLMs failed to detect exploitable issues in complex zkVMs, zkao's context-engineered workflows successfully identified the vulnerability by simulating expert audit methods.

More Bounce to the Ounce

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Nuclear pulse rockets use sequential nuclear detonations for propulsion, enabling massive payloads and interplanetary travel with high efficiency. However, they face political, safety, and proliferation challenges due to nuclear risks and fallout.

MoonBASIC: A modern BASIC for building 2D and 3D games

https://raw.githubusercontent.com/CharmingBlaze/moonbasic/main/docs/images/moonbasic-ide.png
moonbasic is a modern BASIC for 2D/3D game development with pre-built binaries, no C/Go tools needed. It bundles Raylib, Box2D, Jolt, and offers a cross-platform IDE with built-in docs and 4,200+ commands across 40+ namespaces.

Workspaces – Explore the workspaces of modern creators

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A weekly tour of real desk setups from designers, founders, and builders. Every Saturday.

Lego building instructions through time

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Manufact (YC S25) Is Hiring a Senior infra engineer to build the MCP cloud

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Manufact builds the MCP cloud platform for AI tool integration, used by NASA, SAP, and 5,000+ companies. They seek a cloud engineer to scale infrastructure, ensure observability, and manage security for growing AI tool calls.

A Road to Lisp: Which Lisp

https://scotto.me/og/2026-07-17-which-lisp.png
Common Lisp offers native compilation, powerful REPL, and multi-paradigm support for high-performance applications; Clojure provides JVM integration, functional programming, and immutable data for scalable systems; Racket excels in language design and education with a rich IDE. Choose based on needs: CL for performance, Clojure for JVM ecosystems, Racket for DSLs and prototyping.

EEG shows brain can simultaneous encode two speech streams

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Study reveals asymmetric neural dynamics during attention switches in multi-talker scenarios, with transient dual speech tracking and reduced alpha power indicating cognitive effort. Lexical context resets post-switch, enhancing understanding of flexible speech processing in complex environments.

Pebble Mega Update – July 2026

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Pebble has shipped 80% of Pebble Time 2 pre-orders, with in-stock availability soon. Software updates enhance battery life and SDK features, while hardware issues are addressed via replacements; Index 01 production is underway, with late August shipments expected.

Latent Space as a New Medium

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Latent spaces in AI compress vast knowledge into multidimensional maps, enabling creative exploration by allowing manipulation of concepts and ideas across domains. This new medium fosters innovation in art, science, and problem-solving through structured exploration of possibilities.

Homomorphically encrypted CIFAR-10 inference in 200ms

Live encrypted ResNet-20 inference under FHE. The server never sees your image.

Estimating the heights of New Yorkers from their scuff marks

Open Book Touch: open-source e-reader

https://www.crowdsupply.com/img/7a19/ea41febb-029e-492e-bb3b-5953813c7a19_aa-md.jpg
Back this project to help bring it into existence.Funding ends on Aug 20, 2026 at 04:59 PM PDT. Open Book Touch is the device I’ve been trying to build for six years: a small, beautiful, completely open source e-book reader that does one thing and does it well. There are no physical buttons on the front; the device is a single, perfectly symmetrical 4.26-inch front-lit e-paper touchscreen, ...