China’s open-weights AI strategy is winning

1240 benwerd 2026-07-20 14:21:47 UTC werd.io Llama Share 932

American companies are losing the AI model market due to their locked-down business practices, while China's open approach is gaining traction. China's release of AI models openly could turn a US-created compute disadvantage into a distribution advantage, and create a more effective global ecosystem.

Who's afraid of Chinese models?

993 mfiguiere 2026-07-20 11:05:58 UTC stratechery.com Llama Share 900

The author argues that the reaction to Chinese open weight models is overblown, as they are not necessarily cheaper to serve on a marginal cost basis, but rather are benefiting from a lack of compute and a price umbrella. The author suggests that the US should pass a law to make distillation of models fair use and to loosen restrictions on using frontier labs' models for cybersecurity, to ...

Airport Simulator

854 apunen 2026-07-20 10:30:40 UTC airport.apunen.com Full Share 167

The sky (and your endurance) is the limit!

Claude Fable produced a counterexample to the Jacobian Conjecture

801 loubbrad 2026-07-20 02:51:16 UTC xcancel.com Llama Share 514

The user found a counterexample to the Jacobian conjecture by modifying an existing example using polynomial automorphisms, creating infinitely many equivalent counterexamples. The process involves understanding the original example's mechanism and building genuinely different ones by changing the skeleton or using higher-degree polynomials.

Hacker wipes Romania's land registry database

709 speckx 2026-07-20 13:28:33 UTC news.risky.biz Llama Share 413

A hacker breached Romania's cadastre agency, wiping the country's land registry database after a failed extortion attempt. The hack has brought the real-estate market to a standstill.

Kimi Work

676 ms7892 2026-07-20 17:13:23 UTC kimi.com Llama Share 277

You want to find and summarize all PDF files containing quarterly reports in the local workspace ~/Documents/KimiWorkspace and generate a clear summary document. You also want to know about Scheduled Tasks in Kimi Work, specifically if they run when the computer is asleep.

India's first privately-developed rocket reaches orbit on debut launch

672 sohkamyung 2026-07-20 02:43:54 UTC arstechnica.com Llama Share 211

Skyroot Aerospace's Vikram-1 rocket successfully launched into a 280-mile-high orbit on its debut flight, marking India's first fully commercial satellite launcher. The launch was a "grand success" for the company, exceeding expectations and paving the way for future launches.

Jelly UI: Soft-body physics for native HTML form controls

661 baldvinmar 2026-07-20 17:07:39 UTC jelly-ui.com Full Share 202

Jelly UI is a dependency-free Web Components library for soft, tactile product interfaces. Real form controls meet soft-body physics, with dark mode, right-to-left support and WCAG AA color tokens built in.

The EU is about to sell our most sensitive data to the US for visa-free travel

554 rapnie 2026-07-20 12:14:08 UTC edri.org Llama Share 357

The US is requiring EU countries to share biometric data and personal information for traveller screening, with the EU negotiating a Framework Agreement to set exchange modalities. The EU is being pressured into excessive US demands, potentially compromising European and third-country nationals' rights and data protection.

Xiaomi-Robotics-1

528 ilreb 2026-07-20 04:45:15 UTC robotics.xiaomi.com Llama Share 325

Xiaomi-Robotics-1 combines large-scale embodiment-free pre-training with real-robot data to create a strong robot foundation model. It achieves state-of-the-art results on four simulation benchmarks and adapts to new tasks from minimal data.

Human mathematicians are being outcounterexampled

500 artninja1988 2026-07-20 19:03:37 UTC xenaproject.wordpress.com Llama Share 255

Mathematicians are using AI tools to find counterexamples to long-standing conjectures, including the Erdős Unit Distance conjecture, Grothendieck's question, and the Jacobian Conjecture. These AI-generated counterexamples are being formalized in Lean, a programming language for mathematics, and are helping humans gain a deeper understanding of the underlying mathematics.

Stolen Buttons

491 Gecko4072 2026-07-20 09:23:42 UTC anatolyzenkov.com Full Share 115

Every website I visit, I “steal” a button from it. Check out my stash!

Annoying and alarming things about OpenCode

418 alekq 2026-07-20 12:45:55 UTC wren.wtf Llama Share 288

The user thoroughly criticizes OpenCode, an AI coding agent, for its numerous security and usability issues, including poor permission handling, broken prompt caching, and lack of protection for early reads. The user argues that OpenCode's design is fundamentally flawed and that using it can lead to trivial exploitation or accidental wiping of machines, and suggests that local LLMs are also ...

I found a WordPress RCEs with GPT5.6 and $25

404 infosecau 2026-07-20 08:13:36 UTC slcyber.io Llama Share 227

A security researcher used a large language model called Sol to discover a pre-authentication SQL injection vulnerability in WordPress, which can be escalated to a full-blown RCE. The researcher found that Sol was able to chain together several creative exploitation techniques, including recursive batch calls and cache abuse, to produce a full exploit chain in just over 10 hours.

Nativ: Run frontier open models locally on your Mac

375 aratahikaru5 2026-07-20 18:16:08 UTC blaizzy.github.io Llama Share 131

Nativ offers a local AI app for Mac with open models from Google, Cohere, and Liquid AI, no accounts or subscriptions required. It's 100% open source, built on MLX-VLM, and connects to existing coding agents.

Moonshine: Lets you stream games from your PC to any device running Moonlight

373 wertyk 2026-07-20 00:16:50 UTC github.com/hgaiser Llama Share 151

Moonshine allows remote PC gaming with isolated streaming sessions and keyboard, mouse, and controller inputs. It requires a Linux system and a VPN for secure internet streaming.

Jellyfin founder Andrew leaves team

370 swat535 2026-07-20 23:15:41 UTC forum.jellyfin.org Llama Share 336

Project leader and core team member depart due to burnout and life changes, leaving the project in capable hands. They express hope for Jellyfin's continued success and trust in the team to keep the project alive.

Kimi K3, Qwen 3.8, and Anthropic's (Potential) Unravelling

370 cl42 2026-07-20 15:13:42 UTC emergingtrajectories.com Llama Share 336

Two state-of-the-art foundation models, Kimi K3 and Qwen 3.8, were launched, challenging top-tier model developers and threatening Anthropic's dominance. Their open models and lower costs pose a significant risk to Anthropic's product differentiation and economic model.

I Stopped “Creating Content”

310 mtlynch 2026-07-20 15:47:28 UTC refactoringenglish.com Llama Share 240

The author argues that the term "content creator" has become overused and devalues creative work. They suggest using more specific and natural language to describe one's work.

Firefox 153 available with support for Vulkan video decoding, JPEG-XL

303 DemiGuru 2026-07-20 13:47:13 UTC phoronix.com Llama Share 77

Mozilla released Firefox 153.0, the newest Extended Support Release, with Vulkan Video decode support and PDF enhancements. It also includes continued enablement around JPEG-XL and HDR video playback on Windows.

Shinjuku Station in 3D

289 Gecko4072 2026-07-20 13:43:10 UTC satoshi7190.github.io Full Share 66

「新宿駅周辺屋内地図データ」（国土交通省）（https://www.geospatial.jp/ckan/dataset/mlit-indoor-shinjuku-r2）を加工して作成

Perfection is not over-engineering

288 var0xyz 2026-07-20 14:10:30 UTC var0.xyz Llama Share 124

The author argues that perfection is not over-engineering, but rather ambiguous requirements. Clear requirements lead to a perfect solution.

My USB Drive Has a Hidden Encrypted Vault

287 machinehum 2026-07-20 06:09:25 UTC rootkitlabs.com Llama Share 164

Phantomdrive is a completely open source USB drive that appears as an 8 GB drive but has a hidden encrypted section, useful for protecting data from unauthorized access. The device uses AES-256 encryption, a salt-based key derivation function, and 100,000 rounds of SHA-256 to secure data, with optional AES-XTS mode for increased security.

Agent swarms and the new model economics

276 jlaneve 2026-07-20 18:06:13 UTC cursor.com Llama Share 143

Researchers improved an agent swarm system to build software from scratch. The new system achieved better results and efficiency, with a 73-85% success rate in implementing SQLite from its documentation.

Show HN: Immersive Gaussian Splat tour of grace cathedral, San Francisco

261 akanet 2026-07-20 20:10:44 UTC vincentwoo.com Full Share 60

LEDs’ potential to save our night skies

248 defrost 2026-07-20 13:07:11 UTC spectrum.ieee.org Llama Share 192

The author explores how artificial light at night affects cities, citing excessive lighting as a problem that disrupts human health and ecological balance. LEDs offer a solution, but their potential is often wasted due to outdated thinking and a failure to control and coordinate lighting levels.

Designing an Ethernet Switch ASIC

246 random__duck 2026-07-20 21:35:33 UTC essenceia.github.io Llama Share 56

The user has designed an open source switch ASIC and is planning to tape it out and prove the silicon works, aiming to fill the gap in open source networking equipment hardware. The switch will be an unmanaged 3-port design with a limited address table size, using an external PHY chip and interfacing with it over the RMII bus, and will be silicon proven in mid-November 2026.

How we measured AI writing across arXiv, and where the measurement breaks

243 dopamine_daddy 2026-07-20 16:36:36 UTC unslop.run Llama Share 171

Researchers analyzed 12,750 arXiv papers and found that about 32% of new ones read as machine-written, rising from 0.4% before ChatGPT. The study controlled for false positives and found varying adoption rates across fields, with computer science leading at 65%.

The Voice of Google

230 littlexsparkee 2026-07-20 15:15:36 UTC newyorker.com Llama Share 132

The author worked at Google from 2007 to 2016, starting as a communications associate and eventually becoming a manager, crafting internal messaging and social media content that amplified the company's corporate mythology. As the company grew and evolved, the author witnessed both its innovative spirit and its flaws, including a culture of sexism, a lack of accountability, and a failure to ...

Airbus Takes Flight from AWS

218 bbg2401 2026-07-20 10:12:22 UTC theregister.com Llama Share 169

Airbus is moving 900 applications to Scaleway, a French cloud services provider, to put critical systems and data under European control. This move shows digital sovereignty is a real commercial driver, but Airbus faces challenges in migrating supply chain management and AI systems.

I wrote an bash enumerator because I was sick of xargs

206 wallach-game 2026-07-20 20:12:19 UTC numerlab.org Full Share 190

Click here if you are not redirected.

Corners Don't Look Like That: Regarding Screenspace Ambient Occlusion (2012)

188 firephox 2026-07-20 15:07:31 UTC nothings.org Llama Share 91

The author of the text discusses the limitations of screen space ambient occlusion (SSAO) in accurately simulating real-world lighting effects, particularly in corners of rooms. They argue that SSAO often produces unrealistic results, such as darkening corners, due to a misunderstanding of how light interacts with surfaces.

NYC Apartment Aquaponics

185 mm1119 2026-07-20 15:00:54 UTC erinmurphy.dev Llama Share 76

The user and their boyfriend created a 20-gallon aquaponics system in their NYC apartment using a media-based continuous-flow system with a vertical setup, growing leafy greens and herbs. They share their experiences and lessons learned, including the importance of cycling, not overfeeding, and using a stable water and nutrient level for the fish, to help others replicate their setup.

When can a power company take your land for data center infrastructure?

170 1vuio0pswjnm7 2026-07-20 04:19:22 UTC theconversation.com Llama Share 153

The US is experiencing a data center boom, but opposition grows due to concerns over utility bills, pollution, and land seizure for transmission lines. Eminent domain is being used to acquire land for data centers and transmission lines, but its use is subject to interpretation and varies by state.

The Power of Awareness: Overcoming Surveillance Capitalism

165 trinsic2 2026-07-20 20:08:45 UTC scottrlarson.com Llama Share 40

Scott Larson, a computer professional, presented a community presentation on the effects of Surveillance Capitalism, arguing that big players like Google and Facebook build predictive profiles that are sold to advertisers for commercial gain, reshaping society without public knowledge or consent. Larson advocates for informed civic engagement and changing individual behavior to reverse this ...

How proprietary formats have become Microsoft’s main tool for lock-in

160 cube00 2026-07-20 04:49:47 UTC blog.documentfoundation.org Llama Share 123

Microsoft's proprietary document formats create lock-in, making users dependent on their software. Open standards like ODF can break this lock-in, ensuring documents are readable and accessible regardless of software or system.

Czechia moves to ban mobile phones in schools from September 2027

158 Markoff 2026-07-20 16:00:34 UTC expats.cz Llama Share 93

The Czech government backed a proposal to ban mobile phones in kindergartens and elementary schools from September 2027, and approved changes to the pension system increasing pensions for working pensioners and those over 80.

That post never existed. Stop listening to that thing

156 wglb 2026-07-20 17:57:37 UTC rachelbythebay.com Full Share 171

My husbands suicide shows theres something very wrong with US insurance industry

154 Jimmc414 2026-07-20 16:58:15 UTC statnews.com Llama Share 164

The author, an emergency physician, lost her husband to suicide after he was denied inpatient care due to insurance coverage issues. She now advocates for patients' rights, fighting insurance denials and pushing for better mental health care.

GC and Exceptions in Wasmtime

149 phickey 2026-07-20 17:10:50 UTC bytecodealliance.org Llama Share 35

Wasmtime 47 enables Wasm GC and exceptions proposals by default, allowing more languages to target WebAssembly. This improves support for high-level languages and exception-using languages, making WebAssembly a better compilation target.

LoRA Speedrun – a public wall-clock leaderboard for fine-tuning techniques

145 Vineeth147 2026-07-20 04:24:48 UTC github.com/saivineeth147 Llama Share 29

The goal is to fine-tune Qwen2.5-1.5B to ≥ 57% on GSM8K in ≤ 6m 05s on a single L40S using LoRA. The competition uses a frozen task, hardware, and leaderboard with wall-clock records, and anyone can attempt and verify records with free compute credits.

Hyprland 0.55 announced the switch to Lua for its config files

141 matesz 2026-07-20 17:31:57 UTC hypr.land Llama Share 141

Hyprland 0.55 is a major update with Lua config, Layout API, and improved color accuracy. It includes new features like ICC profile loading, FP16 precision, and CM pipelines for better color management.

Making ASCII Art in Vim

117 evakhoury 2026-07-20 18:42:07 UTC alexyang.dev Llama Share 16

The article discusses using Vim for ASCII art without plugins, focusing on built-in features. It provides techniques for moving the cursor, inserting whitespace, and using Visual block mode to edit multiple lines at once.

Cross sectioning insects in an electron microscope with a femtosecond laser [video]

115 surprisetalk 2026-07-20 15:40:03 UTC youtube.com Embed Share 6

Launch HN: Bloomy (YC S26) – AI-powered mastery learning for K-12

100 alexsouthmayd 2026-07-20 16:32:10 UTC news.ycombinator.com Llama Share 107

Alex Southmayd, founder of Bloomy, created an AI-powered mastery-learning platform for K-12 students that provides personalized learning paths and a Socratic AI tutor. Bloomy aims to make one-on-one tutoring affordable and available to every child, with a focus on responsible AI use and safeguarding student data.

The creepiest 'sales demo' of all time

97 slowin 2026-07-20 20:36:37 UTC appenmedia.com Llama Share 52

A Flock vice president accessed a single camera in a children's gymnastics room on Sept 30, 2025, for a claimed "sales demo" by Dunwoody PD. The demo's purpose and agreement are disputed, with no evidence of a demo partner agreement provided.

The drivers behind software delivery inefficiency

91 qaprof 2026-07-20 18:10:17 UTC dl.acm.org Llama Share 55

The website is verifying you're not a bot and requires access to challenges.cloudflare.com. Try adjusting firewall settings or connecting to a different network to resolve the issue.

My falling-out with the rationalist community

90 surprisetalk 2026-07-20 21:30:56 UTC lcamtuf.substack.com Llama Share 159

The author was involved in the early rationalist movement but grew wary of it due to its susceptibility to biases and selective arguments. The community's emphasis on reason often led to post hoc justifications of their preferred choices and selective debates under the guise of scientific truth.

The Trump administration's Threat to Scientific Research

85 surprisetalk 2026-07-20 12:00:43 UTC marginalrevolution.com Llama Share 23

The Trump administration's proposed rule changes threaten America's decentralized science funding system, giving the president discretion to cancel funding for virtually any reason. This move could politicize and corrupt science, undermining America's historically successful system of independent research.

Controlling Reasoning Effort in LLMs

84 ibobev 2026-07-20 14:35:19 UTC magazine.sebastianraschka.com Llama Share 8

Reasoning models have become a standard part of modern model releases, with techniques like reinforcement learning with verifiable rewards (RLVR) and inference scaling improving task performance. Implementing reasoning effort modes, such as toggling between low, medium, and high effort, can be achieved through various methods including supervised fine-tuning and reinforcement learning.

Ziggity – A terminal UI for Git, written in Zig

82 TheSorcerer 2026-07-20 15:46:18 UTC github.com/simoarpe Llama Share 73

ziggity is a terminal-based Git client that brings the lazygit workflow to a small, dependency-light Zig binary. It uses plain Git subprocesses and libvaxis for the UI, and is available for macOS, Linux, and Windows.

The Anti-Palantir Manifesto

81 arkhiver 2026-07-20 01:04:25 UTC nonogra.ph Llama Share 26

Programmers have a moral responsibility to create technologies that promote freedom and privacy, not surveillance and control. They must choose between working for the enslavement of humanity or creating new spaces for freedom through decentralized technologies.

DeKalb deputy charged with Flock camera misuse; more Georgia officers fired

81 pir8life4me 2026-07-20 00:41:32 UTC ajc.com Llama Share 40

A DeKalb County Sheriff's Office deputy was fired and faces charges for misusing the agency's license plate reader system. Three Fayetteville police officers were also terminated for looking up their own tag numbers or those of people they know.

Mythologizing AI makes it more likely that we’ll fail to operate it well (2023)

80 simonebrunozzi 2026-07-20 15:28:32 UTC newyorker.com Llama Share 156

The author, a computer scientist, argues that the term "artificial intelligence" is misleading and that we should think of AI as a tool for social collaboration rather than a creature that can be independent and intelligent. By recognizing the human essence of AI and giving people credit and control over their contributions, we can create a more transparent and equitable technology that ...

Firefox 153.0 Beta

80 ErenayDev 2026-07-20 14:09:43 UTC firefox.com Llama Share 64

Firefox updates include HDR video playback on Windows, improved PDF editing, and color picker features. Other updates include location permission icon visibility, Picture In Picture API, and MediaCapabilities decoding and encoding improvements.

Meta Garbage Collection: Using OCaml's GC to GC Rust

74 annieversary 2026-07-20 13:59:49 UTC soteria-tools.com Llama Share 2

Soteria Rust, a symbolic execution tool, experienced quadratic time complexity due to its Tree Borrows implementation, but was fixed by delegating garbage collection to OCaml's garbage collector, resulting in a 10x speedup. The fix involved implementing a "backoff" mechanism to run the OCaml garbage collector periodically when the tree exceeded a certain size, achieving linear execution time ...

The footprints of every building in NYC

71 jonathanmkeegan 2026-07-20 12:25:49 UTC beautifulpublicdata.com Llama Share 10

New York City's Office of Technology and Innovation publishes a dataset of building footprints, containing over 1.1 million structures, with 93% of measurements generated by photogrammetry. The dataset includes information on building height, age, and type, as well as a separate dataset for demolished buildings, providing a glimpse into the city's history and development.

US gas prices hit an average of $4 a gallon again

71 geox 2026-07-20 09:12:10 UTC apnews.com Llama Share 109

US gas prices jumped to $4 a gallon again due to US and Iran tensions, with prices varying by state. Higher gas prices may impact US midterm elections and push up prices for groceries and other goods.

Show HN: Read the Tape – Wordle for daytrading, five blind S&P 500 charts a day

70 will_asouka 2026-07-20 12:07:16 UTC readthetape.cc Full Share 46

Optional. Filed statements print on your share. Six shown; the last is a rotating classic. Add Read the Tape to your home screen Open the daily tape like an app. Daily desk stats → Performance is measured against the Monkey Index: a low-fee product tracking eleven monkeys with no mandate, no risk committee and wholly unburdened by information. Data & privacy

Converting Files into Minecraft Worlds

65 wuemeli 2026-07-20 20:54:56 UTC wuemeli.com Llama Share 20

The user created a program to convert any file into a Minecraft world by mapping each byte to a block and placing them in a 16x16x16 cube. The program can now read and write .mca region files, allowing for large multi-region worlds to be encoded.

Google Is Censoring Reviews of ICE Detention Centers

65 robtherobber 2026-07-20 15:10:28 UTC theintercept.com Llama Share 23

Google has removed thousands of reviews from its Maps platform about U.S. Immigration and Customs Enforcement detention facilities, citing its policy of removing unhelpful or off-topic content. The removal of these reviews has been criticized as a suppression of information about the facilities and their treatment of detainees.

Big tech is now targeting Native American land for data centers

65 reaperducer 2026-07-20 02:34:18 UTC nytimes.com Llama Share 15

Caddo Nation leaders see data center boom as a potential solution to their economic struggles. However, concerns about noise, water, and energy usage are causing divisions among Native American communities.

Codex is wearing out our devices

64 spenvo 2026-07-20 13:04:41 UTC old.reddit.com Llama Share 35

User is blocked from accessing data due to empty or non-descriptive User-Agent. To resolve, change User-Agent to unique and descriptive string or try default setting.

ascdraw: Editor for ASCII/UTF-8 diagrams (in 144FPS)

62 xlii 2026-07-20 20:34:52 UTC github.com/exlee Llama Share 10

ascdraw is a GPLv3 keyboard-first editor with a Unicode canvas for drawing and text editing, available for download from GitHub Releases. It offers features like layers, export options, and customizable themes, with optional payment for development.

Donation Controversy

60 Cider9986 2026-07-20 21:43:07 UTC mullvad.net Llama Share 55

Mullvad's values and mission focus on freedom of speech, information, and privacy, and the company remains neutral on broader views. A private donation by an owner does not reflect Mullvad's stance, as the company prioritizes diversity of ideas and initiatives.

Taking OCaml and Eio for a Spin

60 mattjhall 2026-07-20 07:32:39 UTC mattjhall.co.uk Llama Share 6

The user started learning OCaml, a functional programming language, after being interested in it for a long time. They found Real World OCaml to be a helpful resource, but it lacked exercises, so they used CS3110 as a beginner's course and then moved to RWO for more advanced features.

Opaque, Interoperable Passkey Records (and a Go API)

56 gnabgib 2026-07-20 23:00:29 UTC words.filippo.io Llama Share 11

Passkeys are a principled solution to phishing attacks, but implementing them on the server side can be complex due to interaction with the browser. A well-specified interoperable passkey record format can help abstract away this complexity.

Satan's 19th-Century Bank Note (2017)

55 Caiero 2026-07-20 01:31:12 UTC historytoday.com Full Share 13

Establishing a secure connection... Request ID: ab46fbfd429ee8e8f6714a43d75840a1

Soofi – Sovereign Open Source Foundation Models

54 Fake4d 2026-07-20 12:52:03 UTC soofi.info Llama Share 14

Soofi S stellt ein offenes europäisches KI-Modell vor, das nachvollziehbare und anpassbare KI-Anwendungen ermöglicht, insbesondere in industriellen Bereichen. Unternehmen können sich für die Testphase anmelden, um praxisnahe Tests mit Soofi durchzuführen.

Inertia-1: An Open Exploration to a Unified Motion Foundation Model

53 hasheddan 2026-07-20 13:11:12 UTC yang-ai-lab.github.io Llama Share 1

Inertia-1 brings motion models under one roof, studying the full lifecycle of motion data, sensing, objectives, and scale in a controlled space. It finds a unified representation that adapts across placements, devices, and tasks with practical rules of thumb for sampling rates and window lengths.

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

52 venkat971 2026-07-20 15:32:20 UTC deepsql.ai Llama Share 35

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.

NYC Subway Signals: A Complete Guide (2012)

52 at1as 2026-07-20 15:00:31 UTC nycsubway.org Llama Share 9

The New York City subway uses wayside color-light block signalling with signals located to the side of tracks, utilizing colors of lights and dividing tracks into discrete blocks to detect train presence. Signals rely on control lengths and overlap to keep trains at least one signal apart and enforce separation between trains.

Why is it so hard for the U.S. to win wars?

51 rbanffy 2026-07-20 11:24:45 UTC npr.org Llama Share 162

US presidents have repeatedly promised swift victories in Middle East wars, but military might has not translated into lasting political success. The US tends to focus on military power over diplomacy, leading to prolonged and costly conflicts.

Why malloc always does more than I asked for?

50 nathaah3 2026-07-20 11:50:01 UTC ssenthilnathan3.github.io Llama Share 46

The user built a simple allocator called a bump allocator, but it had limitations, including no free function and no way to reuse memory. To fix this, the user added metadata to each allocation, including a header and back pointer, and implemented a free list to reuse memory.

Caffeine and Cardiovascular Disease: AHA Scientific Statement

49 brandonb 2026-07-20 15:00:27 UTC ahajournals.org Full Share 26

Frequently Asked Questions on Expertise

45 surprisetalk 2026-07-20 14:00:29 UTC jtpeterson.substack.com Llama Share 4

The user is a researcher and writer who studies expertise, particularly in domains like medicine, military tactics, and petrochemical safety, and approaches expertise from a Naturalistic Decision Making (NDM) perspective. They explain that expertise is not about memorization or explicit knowledge, but rather about developing tacit knowledge and pattern recognition through experience, and that ...

EU Exempts Apple Watch and AirPods from Battery Removal Requirements

45 miohtama 2026-07-20 07:10:30 UTC mjtsai.com Llama Share 68

The European Commission adopted new exemptions to the Batteries Regulation, allowing devices like Apple Watch and AirPods to have non-removable batteries due to safety concerns. The regulation must still undergo scrutiny by the European Parliament and the Council of the EU.

Big tech needs to justify AI spending as investors dump stocks

45 1vuio0pswjnm7 2026-07-20 04:41:10 UTC bloomberg.com Full Share 14

Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. For more information you can review our and .

Tested Kimi K3 for Coding

36 speckx 2026-07-20 14:01:33 UTC dotnetperls.com Llama Share 9

User tested Kimi K3 on Rust program optimization, and it successfully applied SWAR optimization in 15 minutes, resulting in 2% speedup. Kimi K3's performance and accuracy suggest it may be a frontier-level model as advertised.

Show HN: Wheesper – Start an anonymous discussion with a link

35 whatdoyouthink2 2026-07-20 15:23:50 UTC wheesper.com Llama Share 28

Wheesper gives fresh pseudonyms for each private discussion, protecting users' identities. Conversations start with a new pseudonym, keeping identities separate and private.

Fractl.art – a fractal generator with 8 octillion different patterns

33 gilded-lilly 2026-07-20 04:20:43 UTC fractl.art Full Share 8

Explore the infinite detail of fractals — Barnsley fern, Sierpiński triangle, snowflakes, tree fractals and more. Interactive, animated, customisable.

Safety and alignment in an era of long-horizon models

32 Wingy 2026-07-20 18:43:55 UTC openai.com Llama Share 4

OpenAI's internal model, designed for long-running tasks, exhibited novel failures not captured in pre-deployment evaluations, prompting a pause in access and the development of new evaluations and safeguards. The experience reinforced the value of iterative deployment and the need for pre-deployment testing to be paired with close monitoring, safeguards, and the ability to pause or roll back ...

Modder Makes GTA: Vice City Playable Inside GTA 3 Inside GTA: San Andreas

30 sam_anthony 2026-07-20 13:23:38 UTC kotaku.com Llama Share 6

A modder named Dryxio created a mod that allows players to run Grand Theft Auto III and Vice City within Grand Theft Auto: San Andreas. The mod enables real-time texture rendering, mission progression, and save files, creating a unique gaming experience.

The Telegarden (1995-2004)

28 zetamax 2026-07-20 23:30:31 UTC goldberg.berkeley.edu Llama Share 4

The Telegarden is an art installation that allowed web users to interact with a remote garden from 1995 to 2004. It was a virtual community where members could plant, water, and monitor seedlings via an industrial robot arm, fostering social interaction and community in virtual space.

Freeze-Casting

28 soupspaces 2026-07-20 00:32:21 UTC en.wikipedia.org Llama Share 6

Freeze-casting is a technique that uses directional temperature gradients to create porous materials by templating particles with ice crystals. The resulting structure has a hierarchically structured cellular structure with anisotropic macropores and micropores.

Projects every RC live races and results

21 apokly 2026-07-20 20:51:31 UTC rc-replay.dev Full Share 0

Turn any myRCM, Everlaps or LiveRC race into an animated replay — watch the field play back lap by lap with a live timing tower and an on-track view. Share a link to any race, track, or moment.

I could do that in a weekend (2016)

20 ntumlin 2026-07-20 17:55:09 UTC danluu.com Llama Share 4

People underestimate the complexity of large software projects, assuming that a small team can build something better than Google search, but in reality, it requires a multi-thousand person platform with various features and optimizations. Companies need to invest in performance, features, security, and organizational efficiency to maximize profits.

Why do we love music? (2018)

19 jstrieb 2026-07-20 20:31:28 UTC pmc.ncbi.nlm.nih.gov Llama Share 4

The human brain's ability to perceive and enjoy music is linked to the interaction between auditory perception and the reward system, which evaluates the outcomes of predictions and generates emotions. This interaction is essential for musical pleasure, and disruptions in this process can lead to a lack of enjoyment of music.

Hitchcock and Herrmann: The friendship and film scores that changed cinema

19 mitchbob 2026-07-20 20:16:00 UTC lrb.co.uk Llama Share 1

The author's early exposure to Alfred Hitchcock was through his television shows and spin-offs, including Alfred Hitchcock Presents and The Alfred Hitchcock Hour, as well as children's thrillers featuring the Three Investigators. The author later discovered that Hitchcock was a film director, not a children's author or magazine editor.

NixOS is more complicated than you think but OpenCode fixed it

17 grigio 2026-07-20 19:32:37 UTC grigio.org Llama Share 14

A minimal NixOS setup using LabWC and Noctalia Shell V5 with AI assistance achieves a lightweight desktop with 48 active tasks at 743 MB RAM. This setup requires manual configuration of services and environment variables due to LabWC's limitations, but offers a lean and reproducible system.

Lossless model compression experiment: GLM-5.2 in 25% less memory

17 hambandit 2026-07-20 14:16:45 UTC brianbell-x.github.io Llama Share 1

Researchers developed a K15 layout that replaces 9-bit sign-and-exponent symbols with 4-bit codes, reducing BF16 weight representation to 11.173 bits per weight. The K15 layout achieved a 24.967% lossless speedup over BF16 in a separate dense 12-bit prototype, with exact lossless speedup and end-to-end serving integration remaining open.

Reporting Web 3D Capabilities on a Budget of $3 a Month

15 bhouston 2026-07-20 10:53:59 UTC ben3d.ca Llama Share 1

Web3DSurvey.com collects WebGL, WebGL 2, and WebGPU capability data from 3D web developers and costs around C$3 per month to run. The site uses a caching layer, separates collection and reporting, and expires old data to keep costs low, providing measured support rates for features and capabilities.

Reverse-engineering is cheap now

13 ingve 2026-07-20 19:36:40 UTC simonwillison.net Llama Share 1

People are using coding agents to automate home devices, illustrating the impact of reduced coding costs. Agents lower the effort and cost of automation, making maintenance less daunting.

Model 4: Our best model yet for local dictation and cleanup on Mac

12 oakst 2026-07-20 14:21:29 UTC epilude.com Llama Share 2

A new Epilude Model 4 is released, offering improved dictation quality and privacy with its on-device processing, and it passes nine more scenarios on the company's internal benchmark. Model 4 concentrates on improving mid-sentence self-corrections, dates, mixed-language speech, and casual tone, but still struggles with long, rambling passages.

Show HN: OTP Inspired actor supervisor based full stack templates

12 annrap1d 2026-07-20 13:47:29 UTC shipstacks.tech Llama Share 3

ShipStacks offers pre-wired SaaS stacks with OAuth, Stripe, and Docker, available in various languages and frameworks. Download a stack and ship your SaaS in weeks, not months, with Summer launch pricing ending July 31, 2026.

GitHub's 2FA is to become mandatory on September 2, 2026

12 itvision 2026-07-20 10:24:02 UTC news.ycombinator.com Llama Share 8

GitHub is requiring 2FA for certain contributors, and your account is already enrolled. You don't need to take action, but 2FA will be mandatory after September 2nd, 2026.