Claude Sonnet 5

541 marinesebastian 2026-06-30 18:16:40 UTC anthropic.com Llama Share 284

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

934 kirushik 2026-06-30 16:16:40 UTC thereallo.dev Llama Share 251

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

212 lebovic 2026-06-30 17:16:40 UTC claude.com Llama Share 80

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

190 minimaxir 2026-06-30 17:16:40 UTC deepmind.google Llama Share 67

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 built a mmWave material classification radar

74 GL26 2026-06-30 18:16:40 UTC gauthier-lechevalier.com Llama Share 25

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.

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

21 napolux 2026-06-30 18:16:40 UTC w3.org Llama Share 11

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.

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

310 01-_- 2026-06-30 16:16:40 UTC 404media.co Llama Share 144

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.

Knoppix

183 hoangvmpc 2026-06-30 13:16:40 UTC knopper.net Llama Share 81

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.

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

138 lstodd 2026-06-30 13:16:40 UTC gutenberg.org Llama Share 39

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.

Don't Make Gates Optional, Make Them Flexible

35 wakamoleguy 2026-06-30 17:16:40 UTC wakamoleguy.com Llama Share 3

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

Open Source Low Tech

586 grep_it 2026-06-30 05:16:40 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.

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

101 zkldi 2026-06-30 19:16:40 UTC news.ycombinator.com Llama Share 15

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

277 noleary 2026-06-30 09:16:40 UTC karolina.mgdubiel.com Llama Share 58

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.

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

160 tartoran 2026-06-30 17:16:40 UTC reuters.com Full Share 64

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Qwen 3.6 27B is the sweet spot for local development

1121 stared 2026-06-29 20:16:40 UTC quesma.com Llama Share 699

User is impressed with Qwen 3.6, a local model that performs well as general intelligence. It recommends Qwen 3.6 27B for its balance of speed and power.

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

122 Tiberium 2026-06-30 11:16:40 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.

Show HN: I made a heatmap of 3400 VCs who are open to cold emails

20 west_subject 2026-06-30 19:16:40 UTC apparent.social Full Share 13

Live density of cold-pitch-friendly VC contacts and hubs. Zoom in for firm points.

LongCat-2.0, a large-scale MoE model with 1.6T total and 48B Active

258 benjiro29 2026-06-30 01:16:40 UTC longcat.chat Llama Share 76

We introduce LongCat-2.0, a large-scale MoE language model with 1.6 trillion parameters, achieving strong performance on coding, agentic tasks, and long-horizon tasks.

Factorio 2.1 Experimental Release

112 ibobev 2026-06-30 14:16:40 UTC factorio.com Llama Share 64

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.

Supreme Court upholds broad conception of birthright citizenship

103 toomuchtodo 2026-06-30 15:16:40 UTC apnews.com Llama Share 219

The Supreme Court upheld state laws banning transgender girls and women from school athletic teams and struck down limits on party spending in federal elections.

Mathematics: Its Content, Methods and Meaning

61 teleforce 2026-06-30 14:16:40 UTC old.maa.org Llama Share 18

The book "Mathematics: Its Content, Methods, and Meaning" by Aleksandrov, Kolmogorov, and Lavrent'ev covers various mathematical disciplines in three volumes. It features contributions from prominent Soviet mathematicians, including Gel'fand, and is accessible to strong senior undergraduates.

.self: A new top-level domain designed to support self-hosting

649 HumanCCF 2026-06-29 20:16:40 UTC hccf.onmy.cloud Llama Share 361

The Human-Centered Computing Foundation aims to create an alternative web architecture that prioritizes user data and attention. They are launching a campaign to secure a new Top-Level Domain for ethical, human-centered technology.

RF Hacking My Cloud-Controlled Ceiling Fan

8 sammycdubs 2026-06-30 19:16:40 UTC samwilkinson.io Prefix Share 1

When we moved into our current place, we knew pretty quickly we'd want to change our bedroom ceiling fan. That thing easily covered a quarter of our ceiling, wobbled like crazy, and I could not figure out what any of the three (!) pull chains did. It had to go. After some searching, this fan (the CLF513S) from Dreo seemed like a good option. It's reasonably priced, looks quite nice, ...

Free the Icons

650 zdw 2026-06-29 21:16:40 UTC weblog.rogueamoeba.com Llama Share 239

Apple's MacOS 27 Golden Gate has improved app icons, restoring distinct shapes and sharper designs. However, MacOS 26 Tahoe's forced squircle shape for third-party icons is still a usability issue that Apple should address.

Amazon Seller Reveals Rare Glimpse of Shadow Bribery Market

45 petethomas 2026-06-30 18:16:40 UTC bloomberg.com Full Share 20

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I'm building a Space Cadet Pinball Machine! [video]

83 skibz 2026-06-30 09:16:40 UTC youtube.com Embed Share 15

Xsnow "protestware" in Debian

102 6581 2026-06-30 17:16:40 UTC lwn.net Llama Share 87

Debian package xsnow displays Ukrainian flags more frequently when the user's language is set to Russian, which some consider a form of protestware that could put users in Russia at risk. The issue raises questions about whether Debian should allow software that intentionally discriminates against users based on their nationality or locale, and whether such behavior is acceptable even if it's ...

Memory Safe Context Switching

198 modeless 2026-06-30 01:16:40 UTC fil-c.org Llama Share 30

Fil-C supports memory-safe context switches using longjmp/setjmp and ucontext APIs. It enforces strict rules to prevent stack corruption and capability model violations.

The labor share of income in the US is at its lowest post-war level

425 loughnane 2026-06-30 16:16:40 UTC libertystreeteconomics.newyorkfed.org Llama Share 438

The labor share of income in the US has declined to its lowest level in the post-war period, with a 1.6 percentage point drop below its pre-pandemic level. The decline is driven by within-industry changes rather than shifts in economic activity across sectors, similar to earlier recessions.

Linux for the Sega MegaDrive

196 HardwareLust 2026-06-29 23:16:40 UTC github.com/linuxmd Llama Share 58

The emulator needs to emulate the EverDrive's special features and a QEMU fork is included for testing without the real hardware. The EverDrive is detected via USB and a console is available using the MegaDrive's video output.