Claude Sonnet 5

630 marinesebastian 2026-06-30 18:05:51 UTC anthropic.com Llama Share 334

Claude Sonnet 5 is a more agentic AI model that can make plans, use tools, and run autonomously at a lower price than its predecessor. It's available across all plans and offers a safer and more efficient option for developers, with a lower rate of undesirable behaviors and improved performance on tasks like coding and knowledge work.

Claude Code is steganographically marking requests

1050 kirushik 2026-06-30 16:05:51 UTC thereallo.dev Llama Share 272

Developers give coding agents excessive access for productivity, but this also raises security concerns. A tool like Claude Code hides classification signals in system prompts, making it harder to trust its claims of transparency.

Claude Science

259 lebovic 2026-06-30 18:05:51 UTC claude.com Llama Share 89

Claude Science is a public beta app that integrates AI with scientific computing, allowing users to run full analyses on their own infrastructure. It connects to 60+ scientific databases and domain-specific open models, and produces reproducible results with full provenance.

Nano Banana 2 Lite

219 minimaxir 2026-06-30 17:05:51 UTC deepmind.google Llama Share 80

Nano Banana 2 Lite generates and edits images faster and more efficiently, ideal for designers and creators. It provides high-quality images quickly, reducing waiting time and increasing creative flow.

I ported Kubernetes to the browser

17 peterdemin 2026-06-30 20:49:51 UTC ngrok.com Llama Share 2

Sam Rose created Webernetes, a browser-based Kubernetes cluster, using LLMs to port 100,000 lines of code from Kubernetes. He reviewed and tested the code to ensure its correctness, and now invites others to use and contribute to the project.

I built a mmWave material classification radar

98 GL26 2026-06-30 18:05:51 UTC gauthier-lechevalier.com Llama Share 29

The user built a radar that can classify materials, specifically targeting asbestos detection, using a combination of material sciences, wave physics, and neural networks. Due to a lack of funding, the project was stopped after achieving a proof of concept, but the user gained valuable experience in embedded firmware programming, product design, and hardware startup development.

Claude Sonnet 5 – benchmark results

18 lucamark 2026-06-30 20:10:51 UTC artificialanalysis.ai Llama Share 5

Claude Sonnet 5 scores 53 on the Artificial Analysis Intelligence Index, outperforming similar models. It supports text and image input, generating text output with a 1m tokens context window.

Something Is Wrong with Modern Longevity Science

10 nabbed 2026-06-30 20:18:51 UTC newyorker.com GoogleT5 Share 7

Jason johnson: world's oldest man died at age of a hundred and sixteen in 2013. he says if centenarians fake their ages, our conclusions about them are unreliable... and about the places that produce them, too - must be based on unscientific data, jimmy sachs writes for cnn ireporters to weigh in on the debate. long life is communal affair

How does a pull-back car work? Illustrated teardown

17 Muhammad523 2026-06-30 20:05:51 UTC mechanical-pencil.com Llama Share 3

A toy car's wind-up mechanism uses a Spiral Spring and gears to store and release energy, allowing it to shoot forward at high speeds. The gear system provides a mechanical advantage, making it easier for kids to wind up the spring with modest force.

County with 37 Data Centers Asks Schools to 'Conserve Electricity'

363 01-_- 2026-06-30 17:05:51 UTC 404media.co Llama Share 156

Henrico County employees are asked to conserve electricity due to a 25% rate increase for government facilities. They are advised to turn off lights, computers, and appliances when not in use to save money.

Matrix URIs, a URL syntax from Tim Berners-Lee that never shipped (1996)

27 napolux 2026-06-30 19:05:51 UTC w3.org Llama Share 17

Tim Berners-Lee discusses the use of semi-colons in URLs for matrix syntax and relative URLs. He proposes a syntax for pausing relative URLs with named parameter values and questions the significance of parameter order.

Don't Make Gates Optional, Make Them Flexible

44 wakamoleguy 2026-06-30 17:05:51 UTC wakamoleguy.com Llama Share 7

Pam's team needs a required approval checkpoint but wants flexibility in formality. A required but lightweight gate lowers stakes and allows for speed.

Memoirs of Extraordinary Popular Delusions and the Madness of Crowds (1852)

146 lstodd 2026-06-30 13:05:51 UTC gutenberg.org Llama Share 45

Charles Mackay's 1841 book "Memoirs of Extraordinary Popular Delusions" studies crowd psychology through historical examples of financial bubbles and mass hysteria. It remains influential in understanding economic speculation and predicting market crashes.

Knoppix

200 hoangvmpc 2026-06-30 13:05:51 UTC knopper.net Llama Share 85

KNOPPIX is a bootable Linux system on CD, DVD, or USB with automatic hardware detection and support for various devices. It can be used as a productive desktop system, educational tool, or rescue system without installing anything on a hard disk.

Set up your own DoH (DNS over HTTPS) service

33 Bender 2026-06-30 19:05:51 UTC nochan.net Full Share 12

Open Source Low Tech

600 grep_it 2026-06-30 05:05:51 UTC opensourcelowtech.org Llama Share 120

Daniel Connell creates open source, license free technologies using recycled materials for global self-sufficiency. His designs include energy, food, water, and communication systems, with tutorials and a Facebook group for community support.

Reading the internals of Postgres: Database cluster, databases, and tables

24 buraksen 2026-06-30 18:05:51 UTC buraksen.dev Llama Share 0

The user is studying Postgres Internals and has been documenting their notes on database clusters, database objects, system catalogs, and storage layouts. They have explored how Postgres stores data in heap tables, uses TOAST tables for oversized values, and accesses data through line pointers and tuple headers.

Tell HN: Installing Cursor on iOS irreversibly changes your privacy settings

148 zkldi 2026-06-30 19:05:51 UTC news.ycombinator.com Llama Share 21

User's account was changed to a less private setting after installing the Cursor iOS app, and support cannot switch it back. The app's prompt for Cloud Agents changed the user's privacy setting without clear explanation.

Building a custom octocopter from scratch with no prior hardware experience

284 noleary 2026-06-30 09:05:51 UTC karolina.mgdubiel.com Llama Share 59

Chris von Csefalvay plans to train a drone to fly with reinforcement learning, focusing on 6 failure classes and simulating motor lag and loop latency. He's using PPO with parallel environments and an asymmetric actor-critic approach to prepare the drone for real-world crashes.

A peek into Reddit's anti-spam internals

52 OuterVale 2026-06-30 17:05:51 UTC lyra.horse Llama Share 7

Reddit's spam filter system, which includes spamurai, uses various methods to detect and remove spam content. The system can see internal removal reasons, but only sitewide admins can view them.

Waveloop: What Fable left me

19 personjerry 2026-06-30 19:05:51 UTC neynt.ca Llama Share 5

The user created a music visualizer called Waveloop that reveals the harmonic and melodic structure of music, using a chromatic circle and spiral stacked histogram to show pitch class presence. The user analyzed the code behind Waveloop, noting its technical and literary writing style, and its ability to detect ukulele chords in real-time using a live mic mode.

CERN bids farewell to the LHC and enters Long Shutdown 3

32 HelloUsername 2026-06-30 18:05:51 UTC home.cern Llama Share 5

The Large Hadron Collider has completed its final physics run and is undergoing a major maintenance and upgrade program, Long Shutdown 3, to prepare for the High-Luminosity LHC. The upgrade will increase the collider's luminosity by a factor of up to ten, enabling precision studies and potentially uncovering new phenomena.

Crypto firms have spent $189M so far on 2026 US election, report says

185 tartoran 2026-06-30 17:05:51 UTC reuters.com Full Share 80

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SedonaDB 0.4: GPU-accelerated spatial joins

27 dr-jia-yu 2026-06-30 18:05:51 UTC sedona.apache.org Llama Share 4

SedonaDB 0.4 uses GPU-accelerated spatial joins on gaming GPUs, beating an H100 in some queries. RayBooster, an extension, brings ray tracing core acceleration into SedonaDB with a single monolithic index and universal predicate engine.

I built a 10 inch mini rack from aluminium extrusions

25 louwrentius 2026-06-30 16:05:51 UTC louwrentius.com Llama Share 11

The user built a 10-inch mini rack from aluminium extrusions to tidy up their desk and house six 1L PCs for a virtualization project. They encountered some challenges, such as expensive shelves and power distribution units, but overall they are happy with the build and its improved cable management.

1.38 Millimeter Microcontroller

121 kristianpaul 2026-06-30 07:05:51 UTC ti.com Llama Share 84

The MSPM0C110x microcontrollers are part of the MSP highly-integrated ultra-low-power 32-bit MCU family based on the enhanced Arm Cortex-M0+ core platform operating at up to 24MHz frequency. They offer high-performance analog peripheral integration, support extended temperature ranges, and operate with supply voltages from 1.62V to 3.6V.

Zluda 6 release (run unmodified CUDA applications on non-Nvidia GPUs)

125 Tiberium 2026-06-30 11:05:51 UTC vosen.github.io Llama Share 12

ZLUDA has released version 6 with improved Windows support, PhysX pre-alpha, and texture support for Blender. Development is now a weekend project with less frequent updates.

Counterexamples in type systems (2021)

35 bramadityaw 2026-06-30 16:05:51 UTC counterexamples.org Full Share 1

collated by Stephen Dolan, with thanks to Andrej Bauer, Leo White and Jeremy Yallop

A Fake Shell for Pangenomics

19 matt_d 2026-06-30 19:05:51 UTC cs.cornell.edu Llama Share 0

The author created a "fake shell" called Flash to speed up pangenomics workflows by opportunistically switching to faster implementations and avoiding I/O. Flash translates shell scripts into an instruction-based IR, allowing for optimizations and performance improvements.

Factorio 2.1 Experimental Release

133 ibobev 2026-06-30 14:05:51 UTC factorio.com Llama Share 71

Factorio 2.1 experimental is released with a changelog too long for Reddit, and users can opt in through Steam. The update includes graphics and audio system changes, and the team will continue to fix bugs and gather feedback.