Study mode

1111 meetpateltech 2025-07-29 17:01:14 UTC openai.com Llama Share 800

ChatGPT introduces study mode, a learning experience that guides users through problems step by step, helping build deeper understanding and promoting active learning. Study mode is designed to support real learning, not just provide solutions, and is available to logged-in users on various plans, with a high-level plan to learn about Game Theory.

Show HN: Draw a fish and watch it swim with the others

897 hallak 2025-07-29 04:57:22 UTC drawafish.com Full Share 228

Draw and create your own fish. Watch them swim in the community tank. Rank them, add them to your own tank. Have some fun with it.

My 2.5 year old laptop can write Space Invaders in JavaScript now (GLM-4.5 Air)

571 simonw 2025-07-29 13:45:07 UTC simonwillison.net Llama Share 395

The user tested the GLM-4.5 Air model, a 44GB 3bit quantized version, and found it works well on a 64GB MacBook Pro M2. The model produced code for a Space Invaders game and generated an SVG of a pelican riding a bicycle with good speed.

iPhone 16 cameras vs. traditional digital cameras

509 sergiotapia 2025-07-29 13:58:06 UTC candid9.com Llama Share 502

Smartphone photos lack depth and accuracy due to distortion and over-processing, making them less flattering. Real cameras capture shadows and facial features more accurately, resulting in more natural and flattering images.

Irrelevant facts about cats added to math problems increase LLM errors by 300%

484 sxv 2025-07-29 14:59:18 UTC science.org Llama Share 257

Peacocks' brightly colored tail feathers can amplify light into laser beams due to tiny reflective structures. This discovery could lead to the development of lasers for medical imaging and biosensing.

RIP Shunsaku Tamiya, the man who made plastic model kits a global obsession

421 fidotron 2025-07-29 20:57:47 UTC japanesenostalgiccar.com Llama Share 88

Shunsaku Tamiya, former president of Tamiya Inc, passed away at 90. He led the company's transformation into a world-renowned model kit manufacturer with a focus on precision and quality.

Wikimedia Foundation Challenges UK Online Safety Act Regulations

396 Nurw 2025-07-29 10:12:29 UTC wikimediafoundation.org Llama Share 185

The Wikimedia Foundation is challenging the UK's Online Safety Act Categorisation Regulations in the High Court of London, arguing they endanger Wikipedia and its volunteer contributors. The case aims to protect Wikipedia's volunteers and the global accessibility of free knowledge from flawed legislation.

ACM Transitions to Full Open Access

393 pcvarmint 2025-07-29 17:17:58 UTC acm.org Llama Share 59

ACM is transitioning to a fully Open Access publishing model by 2025, making all research content freely available. This move aims to remove barriers to discovery and innovation, and institutions can subscribe to ACM Open for unlimited Open Access publishing and Premium Digital Library access.

Stop selling “unlimited”, when you mean “until we change our minds”

357 heymax054 2025-07-29 09:15:19 UTC blog.kilocode.ai Llama Share 342

Anthropic added weekly limits to Claude Pro and Max, affecting heavy users, using a bait-and-switch approach. This damages trust with developers who drive growth and adoption, making them hesitant to fully commit to AI tools.

Attention is your scarcest resource (2020)

329 jxmorris12 2025-07-29 14:57:29 UTC benkuhn.net Llama Share 185

The author struggled with managing multiple tasks and projects, but found focus by prioritizing one main task and minimizing distractions. They use a "bullshit timebox" to handle minor chores and avoid "open loops" to stay focused.

Learning basic electronics by building fireflies

320 signa11 2025-07-29 17:00:43 UTC a64.in Llama Share 82

The author built their own fireflies using an Astable Multivibrator circuit, learning electronics basics and overcoming various challenges along the way. They successfully created five fireflies, each with a unique design, and found joy in the process of learning and building.

URL-Driven State in HTMX

301 lorenstewart 2025-07-29 22:09:48 UTC lorenstew.art Llama Share 181

When moving from React to HTMX, state lives in the URL, making it bookmarkable and shareable without extra dependencies. This approach uses pushState and localStorage for navigation and persistence.

Pony: An actor-model, capabilities-secure, high-performance programming language

286 RossBencina 2025-07-29 05:34:15 UTC ponylang.io Full Share 270

Welcome! This is the website for the Pony programming language. Pony is an open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language.

Show HN: I built an AI that turns any book into a text adventure game

279 rcrKnight 2025-07-29 16:17:14 UTC kathaaverse.com Full Share 109

© 2025 KathaaVerse - where you turn your Kathaa (story) into your own Verse (universe). Powered by AI. This app may use a user-provided or default API key. Users are responsible for monitoring their API usage and any associated costs.

Launch HN: Hyprnote (YC S25) – An open-source AI meeting notetaker

266 yujonglee 2025-07-29 16:24:08 UTC news.ycombinator.com Llama Share 179

Hyprnote is an open-source AI note-taking app that runs fully on-device, transcribing and summarizing meetings without sending data to unknown servers. It uses local AI models and supports custom endpoints for teams that need integrations and collaboration.

Maru OS – Use your phone as your PC

262 fsflover 2025-07-29 19:24:40 UTC maruos.com Llama Share 207

Maru OS turns smartphones into lightweight desktops with HDMI connectivity and Debian system access. It preserves desktop state and shares networks between mobile and desktop modes.

Fintech dystopia

262 LasEspuelas 2025-07-29 01:57:44 UTC fintechdystopia.com Full Share 272

The EU could be scanning your chats by October 2025

256 saubeidl 2025-07-29 07:15:05 UTC techradar.com Llama Share 244

Denmark has reintroduced the CSAM scanning bill, also known as Chat Control, to scan encrypted messages in Europe. The bill aims to halt CSAM spread online but has raised concerns about mass surveillance and undermining encryption protections.

Observable Notebooks 2.0 Technology Preview

232 mbostock 2025-07-29 14:44:00 UTC observablehq.com Llama Share 57

Observable is releasing a technology preview of its next-generation notebooks, including an open file format and a desktop application for editing notebooks with AI. The new notebooks will eventually be available on the web, allowing for seamless collaboration and sharing through the Observable platform.

More honey bees dying, even as antibiotic use halves

229 pseudolus 2025-07-29 19:37:05 UTC news.uoguelph.ca Llama Share 159

A new study found that despite reduced antibiotic use in Canadian beekeeping, honey bee death rates are still rising due to infectious disease and air pollution. Researchers call for a One Health approach to address colony loss, considering factors like nitrogen dioxide and developing antibiotic alternatives like probiotics.

Microsoft bans LibreOffice developer's account without warning, rejects appeal

226 bundie 2025-07-29 21:19:19 UTC neowin.net Llama Share 100

Microsoft banned LibreOffice developer Mike Kaganski from its services, citing a service agreement violation, but he believes it was a mistake. He faced a frustrating process trying to appeal and recover his account, which remains locked.

Programmers aren’t so humble anymore, maybe because nobody codes in Perl

188 Timothee 2025-07-29 17:51:22 UTC wired.com Llama Share 205

Perl was once widely used for scripting and bioinformatics due to its powerful text processing capabilities. Its creator, Larry Wall, intentionally designed the language to be flexible and open-ended, embracing imperfections and multiple approaches to coding.

UK Online Safety Act sends VPN use soaring

185 01-_- 2025-07-29 11:09:18 UTC wired.com Llama Share 3

The UK's Online Safety Act led to a surge in VPN use and other circumvention tools as people tried to access age-restricted content anonymously. Experts warn that this cat-and-mouse game between governments and internet users could escalate as age verification laws spread.

Ethersync: Peer-to-peer collaborative editing of local text files

184 blinry 2025-07-29 13:15:42 UTC github.com/ethersync Llama Share 32

Ethersync enables real-time collaborative editing of local text files through precompiled static binaries. It's free software under the GNU Affero General Public License, with active development and contributions welcome.

Linux Performance Analysis (2015)

181 benjacksondev 2025-07-29 13:15:49 UTC netflixtechblog.com Llama Share 40

In the first minute of investigating a Linux server performance issue, check for errors and saturation metrics by running commands like dmesg, vmstat, and iostat, and look for high resource utilization in commands like mpstat, pidstat, and top.

How the brain increases blood flow on demand

161 gmays 2025-07-29 19:13:32 UTC hms.harvard.edu Llama Share 86

The study was funded by multiple organizations including the National Science Foundation and the National Institutes of Health. Key researchers include Gu, Deverman, and others with various affiliations and funding sources.

Linux 6.16: faster file systems, improved confidential memory, more Rust support

161 CrankyBear 2025-07-29 18:09:58 UTC zdnet.com Llama Share 49

Linux 6.16 includes significant changes such as improved Rust integration and file system enhancements. These updates aim to reduce vulnerabilities, optimize graphics performance, and enhance data integrity.

Elements of System Design

156 qianli_cs 2025-07-29 17:44:58 UTC github.com/jarulraj Llama Share 37

The paper proposes a "periodic table" of system design principles to help students, researchers, and practitioners reason about structure and trade-offs across different domains in computer systems. The table organizes 40+ general-purpose design principles into thematic groups, emphasizing design intent rather than prescribing mechanisms, to provide a shared vocabulary for system design.

JavaScript retro sound effects generator

144 selvan 2025-07-29 11:30:26 UTC github.grumdrig.com Full Share 24

To save the sound, right- or control-click the following link, select "Save As..." and choose a name with a ".wav" extension. sfx.wav

Nothing to watch – Experimental gallery visualizing 50k film posters

140 bj-rn 2025-07-29 09:42:14 UTC nothing-to-watch.port80.ch Full Share 76

Discover movies

A month using XMPP (using Snikket) for every call and chat (2023)

135 ColinWright 2025-07-29 18:24:23 UTC neilzone.co.uk Llama Share 96

User switched from Matrix to XMPP for messaging and voice/video calls due to reliability issues. They've been using Snikket for a month with good results, except for two instances of poor cellular coverage or latency.

The hit film about overworked nurses that's causing alarm across Europe

128 mykowebhn 2025-07-29 15:53:45 UTC theguardian.com Llama Share 150

Swiss director Petra Volpe's film Late Shift highlights the struggles of nurses in a busy hospital, showcasing their bravery and self-sacrifice. The film aims to raise awareness about the looming healthcare catastrophe and the need for better conditions for care workers.

The leverage arbitrage: Why everything feels broken

125 tush726 2025-07-29 02:43:31 UTC tushardadlani.com Llama Share 92

A growing gap exists between how fast some actors can change the world and how fast others can respond. This "leverage arbitrage divergence" threatens civilization unless we develop "leverage literacy" and conscious coordination across different types of power.

Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL

124 Danau5tin 2025-07-29 11:12:03 UTC github.com/danau5tin Llama Share 12

Developed Terminal-Agent-Qwen3-32b, a Qwen3 agent that outperformed Stanford's Terminus-Qwen3-235B-30A MoE agent and OpenAI's GPT-4.1 with Codex agent on Terminal Bench without training. The project uses rLLM framework, custom environments, and infrastructure for terminal-based agent training, but requires significant compute resources for full training.

Mountain of Ink

121 neilfrndes 2025-07-29 07:10:59 UTC mountainofink.com Llama Share 96

The writer shares their favorite fountain pens and inks, including Pilot Vanishing Point, Pilot Custom 74, and Platinum 3776, paired with various Pilot Iroshizuku and Diamine inks. They also discuss their favorite gel and ballpoint pens, including Pentel Energel and Uni-ball Onyx.

How Hyper built a 1M-accurate indoor GPS

120 AndrewHart 2025-07-29 15:01:17 UTC andrewhart.me Llama Share 73

The author, a developer, was approached by a retail executive to solve the problem of indoor navigation, which he realized was a complex issue due to accuracy and scalability requirements. He founded Hyper, a startup that developed a 1-meter accurate indoor GPS using WiFi and SLAM technology, and is now working to scale it to a billion people.

Learning Is Slower Than You Think

119 almost-exactly 2025-07-29 14:23:41 UTC nisheethvishnoi.substack.com Llama Share 101

A professor at Yale explores how AI is changing education, arguing that while AI can optimize learning, it can also flatten it and remove human connection. The author wonders if schools like Alpha, which use AI to personalize learning, will preserve the soul of education.

Webflow Down for >31 Hours

118 philip1209 2025-07-29 21:38:58 UTC status.webflow.com Full Share 70

Welcome to Webflow's home for real-time and historical data on system performance.

Make Your Own Backup System – Part 2: Forging the FreeBSD Backup Stronghold

118 todsacerdoti 2025-07-29 07:42:56 UTC it-notes.dragas.net GoogleT5 Share 5

Backups are nearly as important as production data, says steve mccarthy. if possible, backup servers should be unreachable from the outside, he says. for this example, i'm giving it 30 gb of disk space, 2 gb of ram, and 2 cores - it could potentially be moved to other hosts, etc. in the next article, we& #39, examine the client side

Yearly Organiser

117 anewhnaccount2 2025-07-29 08:23:10 UTC neatnik.net Full Share 26

A simple printable calendar with the full year on a single page

Zig Profiling on Apple Silicon

115 signa11 2025-07-29 02:15:36 UTC blog.bugsiki.dev Llama Share 27

The user discusses profiling tools available for Apple Silicon Macs, including Samply, Poop, and Tracy, which are alternatives to the rich ecosystem of profiling tools available on Linux. The user recommends Samply for quick performance checks, Poop for iterative optimization, and Tracy for instrumentation profiling, but notes that Apple Instruments is a powerful tool with more capabilities ...

Fixing Ctrl+C in Rust terminal apps: Child process management

110 Callicles 2025-07-29 22:05:04 UTC fiveonefour.com Llama Share 58

To prevent terminal corruption after Ctrl+C, pipe child process stdio and forward output to a logging system. Handle I/O errors and interactive elements like spinners carefully to prevent terminal misformatting.

Someone made a 128k line PR to OpenCut

108 agtestdvn 2025-07-29 23:34:11 UTC github.com/opencut-app Llama Share 91

Suggestions cannot be applied due to various reasons including no code changes, viewing a subset of changes, applying multiple suggestions at once, deleted lines, pending reviews, multi-line comments, and pull request queue. A valid suggestion requires code changes to be made.

Two Birds with One Tone: I/Q Signals and Fourier Transform

104 teleforce 2025-07-29 23:09:04 UTC wirelesspi.com GoogleT5 Share 27

Complex numbers are more suitable for 2d signal processing. phase shift keying is a digital modulation scheme in which the phase of sinusoid is changed according to the data bits to convey the message. [ ( nearly all actual modems implement psk through amplitude processing of complex number. this can be seen in the block diagram below if the time index $m$ is not shown for clarity. in this ...

Project Zero – Policy and Disclosure: 2025 Edition

100 esnard 2025-07-29 15:03:40 UTC googleprojectzero.blogspot.com Llama Share 39

Google Project Zero is trialing a new policy to increase transparency and shorten the time it takes for security patches to reach users. The policy involves publicly sharing vulnerability reports within one week of reporting to vendors, aiming to reduce the "upstream patch gap".

Structuring large Clojure codebases with Biff

97 PaulHoule 2025-07-29 14:26:47 UTC biffweb.com Llama Share 8

The user has rewritten the Yakread app from scratch and open-sourced it, experimenting with new features for the Biff web framework, including materialized views for XTDB and a state-machine approach to keep the codebase manageable. The new Yakread codebase is now 100% pure, uses Pathom resolvers, and has a split architecture that separates model and view code, making it easier to write and understand.

NSF plans end to lone U.S. Antarctic research icebreaker

96 trauco 2025-07-29 03:01:55 UTC science.org Llama Share 74

The National Science Foundation plans to end operation of the RV Nathaniel B. Palmer, the US's sole research ship for Antarctica, due to budget constraints. Polar scientists are alarmed and have sent a letter to NSF and Congress asking to reconsider the decision.

Show HN: A GitHub Action that quizzes you on a pull request

94 dkamm 2025-07-29 18:20:11 UTC github.com/dkamm Llama Share 33

To ensure understanding of AI-generated code, use the PR Quiz GitHub Action with OpenAI API Key and ngrok auth token. This action generates a quiz based on the pull request to test human understanding of the AI's code.

RP2350 A4, RP2354, and a New Hacking Challenge

89 geerlingguy 2025-07-29 13:38:13 UTC raspberrypi.com Llama Share 17

A new A4 stepping of the RP2350 microcontroller has been released, addressing most issues including Erratum 9 and security vulnerabilities. The A4 stepping is a drop-in replacement for A2 and is available now, with a pin-compatible variant RP2354 also launched.

PHP-ORT: Machine learning inference for the web

87 Bogdanp 2025-07-29 23:32:10 UTC krakjoe.github.io Llama Share 31

PHP developers face an existential challenge due to the increasing importance of machine learning, requiring them to either adapt or risk obsolescence. PHP-ORT provides a solution by enabling direct inference in PHP, making machine learning accessible to every developer.

Playing with Open Source LLMs

87 zer0tonin 2025-07-29 18:36:51 UTC alicegg.tech Llama Share 52

The user is exploring AI tools for coding, specifically CLI tools using LLMs, and has tried several models including Claude Code, Deepseek, Mistral, and qwen3. They found qwen3 to be the most suitable for their needs.

Futurehome smart hub owners must pay new $117 subscription or lose access

86 duxup 2025-07-29 17:20:42 UTC arstechnica.com Llama Share 79

Futurehome is forcing customers to pay a 1,188 NOK annual subscription fee for basic functionality of its smart home devices. Customers are frustrated as they previously paid a one-time fee for access to the app and cloud platform.

Florida’s attorney general targets a restaurant over an LGBTQ Pride event

84 voxadam 2025-07-29 04:53:22 UTC eff.org Llama Share 23

Florida's Attorney General is subpoenaing a restaurant's data after hosting an LGBTQ+ Pride event, despite no charges being filed and the law being blocked by federal courts. This move is seen as an attempt to intimidate and censor people attending a legal gathering, potentially exposing attendees to state surveillance and databases.

Dropbox Passwords discontinuation

82 h1fra 2025-07-29 20:03:29 UTC help.dropbox.com Llama Share 76

Dropbox Passwords will be discontinued on October 28, 2025, and users are recommended to transfer their passwords to another manager like 1Password. Key dates include August 28, 2025, when Dropbox Passwords becomes view-only, and October 28, 2025, when it's fully discontinued.

Union Pacific to buy Norfolk in $85B mega U.S. railroad deal

80 pseudolus 2025-07-29 12:36:51 UTC cnbc.com Llama Share 95

Union Pacific agreed to buy Norfolk in an $85 billion deal to create the nation's first coast-to-coast freight rail operator. The deal faces regulatory hurdles and labor union opposition, testing a more industry-friendly approach to merger reviews under President Trump.

Palestinian who helped make Oscar-winning No Other Land killed in West Bank

78 NomDePlum 2025-07-29 10:42:40 UTC theguardian.com Llama Share 20

Awdah Hathaleen, a Palestinian activist, was killed by Israeli settler Yinon Levi in the south Hebron hills. The killing occurred amid a wave of settler and Israeli military violence against Palestinians in the occupied West Bank.

Go’s race detector has a mutex blind spot

76 GarethX 2025-07-29 14:44:05 UTC doublefree.dev Llama Share 57

Go's data race detector may miss data races in executed code due to how locks are modeled in its analysis. It models locks as synchronization points, creating happens-before relationships between acquire and release operations, which can lead to blind spots in detecting data races.

Cucumber lets you write automated tests in plain language

74 nateb2022 2025-07-29 13:28:12 UTC cucumber.io Full Share 73

Feature: Withdrawing cash Rule: Customers cannot withdraw more than their balance Scenario: Successful withdrawal within balance Given Alice has 234.56 in their account When Alice tries to withdraw 200.00 Then the withdrawal is successful Scenario: Declined withdrawal in excess of balance Given Hamza has 198.76 in their account When Hamza tries to withdraw 200.00 Then the withdrawal is declined

Can a Country Be Too Rich? Norway Is Finding Out

72 obscurette 2025-07-29 13:33:05 UTC bloomberg.com Full Share 126

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 .

Supervised fine tuning on curated data is reinforcement learning

71 GabrielBianconi 2025-07-29 20:18:23 UTC arxiv.org Llama Share 19

Behavior Cloning is connected to Reinforcement Learning through a lower bound on the RL objective. Importance weighted SFT optimizes a tighter bound, improving performance and competing with RL algorithms.

Pseudo, a Common Lisp macro for pseudocode expressions

71 reikonomusha 2025-07-29 18:17:26 UTC funcall.blogspot.com Llama Share 12

A large language model is embedded in a programming language as a construct called pseudo, which expands pseudocode into s-expressions using an LLM. This allows for more predictable code generation and contextual information, making it a big win in languages like Common Lisp.

2025 Stack Overflow Developer Survey Results

70 colingw 2025-07-29 14:30:23 UTC survey.stackoverflow.co Llama Share 71

Developers are cautious about AI tool accuracy, with 46% distrust and 33% trust, and 70%+ have decreased positive sentiment for AI tools in 2025. Top reasons for rejecting a technology are security or privacy concerns, prohibitive pricing, and availability of better alternatives.

EU Commission finds Temu in breach of online platform rules

68 saubeidl 2025-07-29 07:29:13 UTC euronews.com Llama Share 88

The European Commission found Temu in breach of the Digital Services Act for inadequate risk assessment of illegal products. Temu may face a fine of up to 6% of its worldwide annual turnover.

Microsoft Introduces 'Copilot Mode' in Edge

67 Bogdanp 2025-07-29 16:07:12 UTC blogs.windows.com Llama Share 107

Microsoft Edge introduces Copilot Mode, an AI-powered browser feature that anticipates and assists users with tasks. It's available for free, exclusively on Edge for Windows and Mac, and can be turned on and off through browser settings.

The Convenience Trap: Why Seamless Banking Access Can Turn 2FA into 1FA

66 ocrb 2025-07-29 15:48:15 UTC blog.opencore.ch Llama Share 60

Financial institutions should prioritize secure authentication methods to protect users from various threats, including password theft, malware, and device theft. The best options include hardware-bound passkeys, separate hardware authenticators, and dedicated banking devices, which provide strong defenses against these threats and should be the default for average users.

Anthropic Faces Potentially "Business-Ending" Copyright Lawsuit

65 Invictus0 2025-07-29 11:41:26 UTC obsolete.pub Llama Share 68

Anthropic, an AI startup, is facing a class action lawsuit over its use of pirated books, which could result in damages exceeding a billion dollars. The company's use of pirated books has been deemed copyright infringement, putting it at risk of bankruptcy.

AI is wrecking a fragile job market for college graduates

57 alephnerd 2025-07-29 01:11:46 UTC wsj.com Full Share 81

Please enable JS and disable any ad blocker

Claude finds contradictions in my thinking

56 speckx 2025-07-29 14:46:15 UTC angadh.com Llama Share 65

The user's Obsidian vault reveals unresolved philosophical tensions about power, influence, and detachment, reflecting a deeper question about how to live meaningfully in the modern world. Their intellectual development is evolutionary, with core tensions becoming more sophisticated over time, indicating a genuine grappling with complex questions.

The Making of Dario Amodei

54 spenvo 2025-07-29 18:36:34 UTC bigtechnology.com GoogleT5 Share 14

Dario amodei is the founder and ceo of anthropic, a company valued at $61 billion. he has turned the company into an economic force, and is passionate about ai safety. in an interview with cnn's john sutter, the california native explains his motivations for starting an ai company. the pair also talk about the challenges facing the industry, including the need to improve ai. read the

Modernising the Amiga at Forty

53 freediver 2025-07-29 05:55:32 UTC benjamin.computer Llama Share 36

The user upgraded their Amiga 500 with modern hardware, including a Vampire A500 V2 accelerator, and is now setting up the Amiga OS 3.2 with a custom partition scheme and network connectivity. They have successfully installed the OS, configured the network, and set up a mountlist to access files from a remote server, but still need to complete the setup to achieve a modern Amiga desktop.

Aerodynamic drag in small cyclist formations: shielding the protected rider [pdf]

49 PaulHoule 2025-07-29 18:52:08 UTC urbanphysics.net GoogleT5 Share 17

Inverted triangle formation can provide a drag reduction of the protected rider down to 39%, however at the expense of increased drag for the leading riders. for 5-cyclist formations, an 2x2 formation in front reduces drag to 24%, which is 20% below the best position in the single paceline. the aerodynamic efficiency of drafting and equipment can be improved by reducing the number of cyclists ...

Stanford’s Department of Management Science and Engineering

49 curioustock 2025-07-29 18:25:00 UTC poetsandquants.com Llama Share 30

Stanford's Management Science & Engineering program is quietly outpacing expectations by blending technical rigor with real-world application, producing a high number of successful startups. Its graduates have a double-digit share in every StartX cohort and are highly represented in Y Combinator.

A DH106 1A Comet has been restored at the de Havilland Aircraft Museum

48 rmason 2025-07-29 20:14:07 UTC cnn.com Llama Share 12

The world's first passenger jet, the de Havilland DH106 1A Comet, made its debut flight on May 2, 1952, from London to Johannesburg. The plane was a breakthrough in comfort and speed, but its design flaws led to fatal accidents and its eventual grounding.

KernelScript eBPF-centric programming language

44 gtirloni 2025-07-29 12:33:00 UTC github.com/multikernel Llama Share 2

KernelScript is a modern, type-safe language for eBPF, userspace, and kernelspace development. It provides a clean syntax and generates efficient C code for eBPF programs and kernel modules.

Delta’s new AI-powered pricing strategy

43 bdev12345 2025-07-29 19:30:40 UTC blog.getjetback.com Llama Share 66

Delta Air Lines is expanding its use of artificial intelligence for setting ticket prices, aiming to cover 20% of its U.S. domestic flights by 2025. The airline's AI system will generate custom fares based on real-time market conditions and individual customer data.

A Quantum Gravimeter for GPS Backup

43 purpleko 2025-07-29 19:07:59 UTC spectrum.ieee.org Llama Share 34

A novel quantum sensor, developed by Q-CTRL, measures gravity changes by detecting atom travel time variations and could serve as a backup for GPS systems. The sensor was tested on an Australian naval ship and could help ships navigate in areas with GPS interference or unreliable satellite signals.

Wish you could escape the planet? Too bad life in space would suck (2024)

42 voxleone 2025-07-29 12:38:46 UTC salon.com Llama Share 75

Astronauts on the International Space Station face numerous health risks due to prolonged exposure to microgravity, including vision impairment, bone loss, and increased radiation exposure. Despite these challenges, NASA continues to study the effects of space travel on the human body to prepare for longer-term missions to Mars and beyond.

Show HN: Monchromate – Smart greyscale browser extension

41 lirena00 2025-07-29 18:32:42 UTC monochromate.lirena.in Llama Share 11

Monochromate is a greyscale browser extension that reduces digital distractions, prevents doomscrolling, and boosts productivity. It offers customizable greyscale intensity, smart blacklist management, and seamless fullscreen mode.

Show HN: ELF Injector

39 dillstead 2025-07-29 15:00:02 UTC github.com/dillstead Llama Share 13

The elf_injector command line utility inserts a relocatable code chunk into an ELF executable, allowing for arbitrary code execution without using libc or absolute addresses. The chunk is inserted into the padding at the end of the text segment, and the thunk is used to locate and execute the chunk, preserving modular congruency with the page size.

Show HN: Xorq – open compute catalog for AI

36 mousematrix 2025-07-29 15:15:24 UTC github.com/xorq-labs Llama Share 11

Xorq is a framework for building reusable ML pipelines across Python and SQL engines. It uses Apache Arrow for data transfer and Ibis/DataFusion for efficient computation.

Coverage.py Regex Pragmas

36 xrayarx 2025-07-29 13:30:47 UTC nedbatchelder.com Llama Share 2

Coverage.py uses regexes to exclude code from measurement, allowing for custom exclusions and third-party plugins. This powerful feature has been expanded to include multi-line pattern matching, enabling more complex exclusions.

Phenome-wide analysis of diseases in relation to sleep traits

35 alex77456 2025-07-29 22:50:47 UTC spj.science.org GoogleT5 Share 9

Sleep rhythm (relative amplitude and interdaily stability) contributed to most (61) of the newly discovered associations. sleep duration/onset and sleep quality contributed 20 and 9 diseases, respectively. a number of diseases have been suggested to be associated with subjectively long sleep, even by meta-analyses [38, 39]. dr. jennifer s. lee, et al., published their findings in the journal

Show HN: Rewindtty – Record and replay terminal sessions as structured JSON

34 debba 2025-07-29 10:28:36 UTC github.com/debba Llama Share 14

A C-based terminal session recorder and replayer called rewindtty captures and replays terminal sessions with precise timing. It's a hobby project with a web-based player and stores sessions in JSON format under the MIT License.

The Longest Sightline on Earth

34 lemper 2025-07-29 10:08:34 UTC calgaryvisioncentre.com Llama Share 15

The author discusses how the flat terrain of the prairies allows for long sightlines, with the horizon being about 4.7 km away. This distance can be increased by elevating the observer's position, such as from the top of the Bow Tower in Calgary, which can see up to 54 km.

Amazon's AI Coding Revealed a Dirty Little Secret

33 quantified 2025-07-29 10:25:18 UTC bloomberg.com Llama Share 25

A hacker infiltrated an AI-powered plugin for Amazon's coding tool, deleting files from computers it was used on, highlighting a security hole in generative AI. This incident points to a growing concern in the use of AI in programming, where developers rely on automated tools to generate code.

Telephone colophon: Or, how I overengineered my call audio (2020)

32 mafro 2025-07-29 06:41:56 UTC noahliebman.net Llama Share 11

To use an external vocal mic and guitar with a pickup on Zoom calls, a virtual audio driver called BlackHole is needed to act as a passthrough from each input to the corresponding output. BlackHole is used in conjunction with an audio interface and a digital audio workstation like Reaper to route audio and achieve control over the mix.

Ask HN: How will the OSA affect small Mastodon instances?

29 Digit-Al 2025-07-29 12:40:13 UTC news.ycombinator.com Llama Share 15

You're concerned about OSA affecting Mastodon hosting in the UK, particularly for self-hosters with large federated instances. This could create a grey area exposing self-hosters to liability risk, potentially threatening UK Mastodon hosting.

The half-life of tech skills

27 j-a-a-p 2025-07-29 19:01:25 UTC haraldagterhuis.substack.com Llama Share 36

Singapore and the Netherlands are racing against time to adapt to rapid skills obsolescence due to technological advancements. They are adopting innovative strategies to stay ahead, including AI-driven skills planning and cross-border learning exchanges.

Fakes, Nazis, and Fake Nazis

26 prismatic 2025-07-29 04:48:35 UTC airmail.news Llama Share 3

I met Jimmy in Athens in 2005, who wanted to sell dozens of artworks confidentially. He let me into his house after insisting on complete discretion.

Peacock feathers can be lasers

25 ohjeez 2025-07-29 15:12:33 UTC science.org Llama Share 12

Peacocks' brightly colored tail feathers contain tiny reflective structures that can amplify light into a laser beam. Researchers discovered the feathers emit narrow beams of yellow-green laser light when energized with an external light source.

Rao Reading Algorithm (2024)

25 surprisetalk 2025-07-29 13:12:19 UTC raohacker.com GoogleT5 Share 8

Aaron carroll: reading is practice directing attention to curate what comes into awareness. he says there are three axes of how to process what you read, based on compulsion vs. enjoyment - and the infinity of knowledge, less than one percent of the great books have been written, says mccaffery. as you continue to read more, add “landmasses” for new domains, “road

“Good first issues” are usually not good first issues

24 am17an 2025-07-29 10:25:20 UTC am17an.bearblog.dev Llama Share 9

New programmers can find open-source projects to contribute to by looking for issues tagged with "good-first-issue" on GitHub. However, these pages often contain unhelpful issues with unclear context or unanswered questions.

Ferroelectric helps break transistor limits

23 pseudolus 2025-07-29 12:39:50 UTC spectrum.ieee.org Llama Share 1

Scientists in California discovered that negative capacitance can help high-power gallium nitride transistors break through a performance barrier by sidestepping a physical limit. This breakthrough could lead to more efficient and powerful electronics for 5G base stations and cellphones.

Advanced Rust macros with derive-deftly

20 todsacerdoti 2025-07-29 15:21:34 UTC diziet.pages.torproject.net Llama Share 11

derive-deftly is a Rust package for defining custom derive macros without procedural macros. It allows creating templates for structs, enums, and unions to generate accessors and other items.

Stochastic Transparency [pdf]

16 E-Reverance 2025-07-29 17:16:12 UTC luebke.us GoogleT5 Share 3

Stochastic transparency provides a unified approach to transparency, anti-aliasing, and deep shadow maps. the simplest case is one sample per pixel, at high resolution, with several depths stored at each - each requiring 8 samples per pass if possible based on ray trajectories and seeding by fragment z. depth peeling can produce perfect results for visibility but requires rendering the scene ...

The IPCC: Can it regain its credibility?

16 nickcotter 2025-07-29 15:33:09 UTC meer.com Llama Share 8

The IPCC's climate science is being challenged by actuaries who claim its risk assessments are too narrow and underestimate the impact of climate change. This could lead to governments receiving flawed advice and failing to take timely action to address the crisis.

Show HN: Walk-through of rocket landing optimization paper [pdf]

16 scpowers 2025-07-29 07:02:37 UTC scpowers.github.io GoogleT5 Share 1

Convexity is a key concept in optimization, says daniel schmidt. he says the concept is useful in describing the behavior of launch vehicle guidance systems (lvls) svlls can be used to determine the optimal landing trajectory for an rv based on kinematics and dynamics, and to estimate the time-of-flight if the vehicle is in-plane or not

Every American Is Bilingual

15 DocSavage 2025-07-29 03:29:53 UTC justevilenough.com Llama Share 35

We use cookies to enhance your website experience and you can control them through your browser settings. Our Privacy Policy explains how we collect and process data.

Palo Alto Networks closing on over $20B acquisition of CyberArk

13 tomashertus 2025-07-29 20:26:00 UTC calcalistech.com Llama Share 3

Palo Alto Networks is in advanced talks to acquire CyberArk for over $20 billion, a deal that would be its largest acquisition ever. The acquisition would give Palo Alto a major presence in the identity management space, a sector experiencing renewed urgency due to AI and high-profile breaches.

Show HN: The easiest accessibility (a11y) checker for VSCode

12 beledev 2025-07-29 15:49:37 UTC github.com/be-lenka Llama Share 1

The be-a11y VSCode extension audits accessibility issues in projects or websites, presenting results in a convenient format. To use it, set the target, run the audit, and save the report, ensuring the be-a11y library is installed and the extension is properly configured.

Detached Point Arithmetic

12 HappySweeney 2025-07-29 12:49:14 UTC github.com/pedantic-research-limited Llama Share 26

Patrick Bryant of Pedantic Research Limited created Detached Point Arithmetic (DPA) to eliminate rounding errors in numerical computations. DPA uses integer arithmetic and tracks decimal point positions separately for exact computation.

Processing: Mattie Lubchansky Wrote and Illustrated Simplicity

11 crescit_eundo 2025-07-29 13:33:07 UTC countercraft.substack.com Llama Share 1

Author Mattie Lubchansky discusses her new graphic novel Simplicity, which explores a future America with ecohorror, cyberpunk, and utopian themes. Lubchansky's process involves heavy outlining, writing a script, and then drawing, and she draws inspiration from Ursula K. Le Guin and other works of science fiction.