Brian Chesky's talk at a YC event highlighted the difference between "founder mode" and "manager mode" in running companies, with founders needing to be more involved and hands-on. Founder mode is still unknown and misunderstood, but understanding it could lead to better company management and success.

The goal is to optimize the boot process of a Raspberry Pi Zero 2 W to reduce power consumption, achieving a boot time of less than 3.5 seconds and a total energy consumption of 1.82 Ws. To achieve this, various optimizations were made, including disabling unnecessary components, reducing kernel size, and disabling security features, resulting in a 5-fold reduction in energy consumption ...

Marilou Schultz, a Navajo/Diné weaver and math teacher, created a rug that accurately represents the die of the Fairchild 9040 integrated circuit, a chip used in the Apollo Lunar Surface Experiments Package on the Moon. The rug's design is a striking example of the similarities between traditional Navajo weaving and modern integrated circuit design, highlighting the intersection of art, ...

This project simulates the city of Colombo using Cities Skylines, a 2015 video game, to create a digital twin for visualizing and communicating urban development concepts. The simulation includes over a million virtual citizens, public transport based on actual route data, and curated visual assets to match Colombo's unique architectural style.

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New hires and departing employees require password management, including granting access to additional passwords and revoking access to sensitive ones. Best practices include implementing a password management system, granting least privilege access, and regularly reviewing and updating access controls.

The clipboard API has limitations on the types of data that can be written to it, but the older Clipboard Events API allows for more flexibility, and some web applications use workarounds like execCommand to write custom data types to the clipboard. The Web Custom Formats proposal aims to provide a secure and practical way to write custom data types to the clipboard, but it has not been ...

Sudan has declared a full-blown famine for only the third time in 20 years, affecting a refugee camp in el-Fasher. The situation has worsened since April, with Médecins Sans Frontières reporting a child dying every two hours from starvation or disease.

The weight of vehicles is a critical factor in car crashes in America, with heavier vehicles often prevailing in collisions and causing more fatalities. Despite the risks, car manufacturers are producing heavier vehicles, and regulators are ill-equipped to address the issue, leading to a suboptimal outcome for society as a whole.

fmt} is a lightweight formatting library with a small binary footprint, achieving this through type erasure and minimizing template usage. By disabling locale support, removing special handling for built-in types, and optimizing for size, the binary size can be reduced to 27kB.

The author describes the development of paraLLEl-GS, a compute shader-based implementation of the PlayStation 2 Graphics Synthesizer (GS), which is a tile-based renderer that uses a DDA-style rasterizer. The author discusses the challenges of implementing the GS, including dealing with hazards, tracking per-byte, and optimizing for performance, and provides details on the implementation of ...

Acadia Healthcare, a leading psychiatric hospital chain, has been accused of detaining patients against their will, even when not medically necessary, in at least 12 states. The company's success during the pandemic has been built on this practice, with patients and employees reporting violations of the law and judges intervening to release patients.

The author of Godot has been working on porting the game engine to the iPad, and has been inspired by Apple's professional video editing tool, FinalCut Pro, to improve the user interface and make it more suitable for touch. The author has made significant changes to the property editor, toolbar, and debugger, and has also rewritten some of the full-screen importers to make them more iPad-friendly.

Einstein's unified field theory aimed to combine space, time, energy, and matter, but he failed to develop a complete theory. His idea that matter is made of spacetime, curved in a particular way, has been largely forgotten, but it's still an interesting and thought-provoking concept.

The Inogon Leading Mark uses the moiré effect to create an optical illusion that displays an arrow or series of arrows pointing in the correct direction, regardless of the viewer's angle. This clever solution, developed in 1982, uses no electronics except for a light, making it a unique and effective navigation aid.

pgstream is a CDC tool for PostgreSQL that sends webhooks for data and schema changes, allowing for automation and real-time notifications. It offers advanced features like sending old and new values and managing schema changes, making it suitable for data synchronization, auditing, and microservices communication.

Top-tier athletes and musicians fanatically practice fundamental skills, but knowledge workers rarely do, neglecting skills like reading, note-taking, and idea development. Pursuing virtuosity in these skills, like athletes and musicians, could lead to significant improvement, as exemplified by Ben Franklin's writing practice and Pat Metheny's disciplined music preparation.

Brandy Deason, a Houston resident, used AirTags to track her plastic recycling and discovered it was being sent to a company that failed fire inspections. The city's recycling program has been collecting plastic waste, but none of it has been recycled yet, and most of it will be melted into fuel, adding to carbon emissions.

The Django ORM is a powerful yet complex feature that can be used to interact with databases, but it has limitations and gotchas, such as caching issues and difficulties with joins and many-to-many relationships. The post highlights several common pitfalls and quirks of the Django ORM, including its handling of database engines, querysets, and pagination, and provides tips for working with it ...

E Ink displays are popular for eBook readers, but new reflective LCD displays offer paper-like qualities with faster refresh rates and color support. Companies like Daylight, TCL, and HannSpree are developing these displays for tablets and eReaders, offering alternatives to traditional E Ink screens.

NASA astronaut Butch Wilmore reported a strange, sonar-like noise coming from a speaker inside the Starliner spacecraft, which was docked to the International Space Station. The cause of the noise is unknown, but it is likely benign, and Wilmore did not seem concerned, despite the challenges Boeing and NASA have faced with the Starliner's debut crewed flight.

The Lorenz attractor is a famous strange attractor that arises from a mathematical model of the atmosphere, displaying sensitive dependence on initial conditions. The text presents various systems of ordinary differential equations that give rise to strange attractors, including the Lorenz attractor and others with different parameters and behaviors.

The author and their partner, Tris, purchased an old device from the MBTA that they believed was an aspect display unit, which is used in automatic train operation systems. After reverse-engineering the device, they successfully modified it to work as a speedometer in their car, using data from the car's OBD2 system and OpenStreetMap to determine the speed limit and display it on the device.

Vizdom revolutionizes diagram creation by allowing developers to generate and manage diagrams directly from code. Simplify your documentation process with automated, up-to-date visualizations integrated seamlessly into your workflow.

Can you save Shehzadi from the ants?

Der8auer, a tech expert, analyzed a fake AMD Ryzen 7 7800X3D processor bought from a Romanian online marketplace, revealing several signs of its authenticity, including a wrong substrate color and lack of resin on capacitors. The fake chip's PCB was thinner and had a different IHS engraving, and the maker's effort to mimic the original chip's appearance was impressive, but not enough to fool ...

Meta schemas enable embedding meta information in documents, including basic and extended information, making it easily findable by computers. There are several popular meta schemas, including Open Graph, Dublin Core, and Microformats, each with its own way of adding meta data to HTML.

Colossal Biosciences plans to bring back three extinct species, including the woolly mammoth, dodo, and Tasmanian tiger, using genetic engineering and cloning. However, experts are skeptical about the ecological benefits and potential risks of de-extinction, citing concerns about population sustainability, disease, and unintended consequences.

Datadog's timeseries database and indexing service were experiencing performance issues due to the growth of data volumes and complexity of queries, leading to the development of a new indexing strategy inspired by search engines' inverted indexes. The new strategy, implemented in Rust, allows for faster query execution, parallelization of query execution, and reduced CPU utilization, ...

Researchers have discovered that a molecule called PKMzeta, which was previously thought to be the sole "memory molecule", actually works alongside another molecule called KIBRA to maintain long-term memories. The interaction between PKMzeta and KIBRA is crucial for memory storage, and blocking this interaction erases memories, while boosting PKMzeta can enhance old memories.

Dan MargalitSchool of MathematicsGeorgia Institute of Technology Joseph RabinoffSchool of MathematicsGeorgia Institute of Technology June 3, 2019

Starbucks' new CEO, Brian Niccol, has been offered a lucrative contract worth over $100 million over four years, including a $1.6 million annual salary, a $10 million signing bonus, and a "replacement grant" worth $75 million. The contract has raised eyebrows due to its generous terms, including a private jet for his commute and a clause that ensures he will not be able to sell all of his ...

This tutorial sets up a virtual machine on Hetzner for $4/month, installing Caddy for SSL and Cloudflare for DNS, and deploying a web app using GitHub. The setup includes configuring SSH keys, deploying changes from GitHub, and setting up a simple Node.js app that restarts automatically when it crashes.

The Joanine Library in Portugal has a unique pest control system, where bats have been living and helping to keep the books safe for centuries. The bats, identified as European free-tailed bats and soprano pipistrelles, roost during the day and hunt at night, earning them the title of "honorary librarians" from library employees.

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world

This book starts by introducing the complex numbers and their basic properties, and then defines a vector space as a set with operations of addition and scalar multiplication that satisfy natural algebraic properties. The book then defines the additive and multiplicative inverses of complex numbers, and uses those inverses to define subtraction and division operations with complex numbers, ...

The author believes that every person has a unique purpose and that there is a place for everyone, despite the lack of evidence for this claim. The author argues that finding one's niche is a difficult and often painful process, but that it is essential for individuals to find their place in the world and for society to function effectively.

The author reflects on their journey in documenting side-projects in InfoSec, which led to opportunities to teach, compete, and contribute to large projects, and encourages readers to develop their own side-projects and share their experiences. The author also shares tips on how to approach CTFs, CVEs, and malware analysis, emphasizing the importance of having fun and not feeling pressured to ...

Learn C programming, class, lessons, examples, exercices and quizz. Learn C programming language online. | Lulu's blog | Philippe Lucidarme

The dc calculator is a reverse Polish notation (RPN) calculator that uses a stack to evaluate mathematical expressions, making it efficient and unambiguous. RPN was first used in the 1941 Z3 computer and has since been used in various calculators and computers, including Hewlett-Packard's calculators, due to its simplicity and effectiveness.

The user rediscovered Turbo Pascal for CP/M and found it surprisingly usable and productive, even on an 8-bit Z80-MBC2, allowing for fast edit-compile-run cycles. They enjoyed learning the language and environment, finding it ideal for hobby projects with homebrew computers due to its ease of use, features, and power.

A Houston resident used an Apple AirTag to track her recycling and found it sitting in an open-air lot, stacked 10 feet high, instead of being processed at a recycling center. The facility, operated by Cyclix International, is waiting for machinery to arrive and has yet to open, with environmental advocates raising concerns about the effectiveness and environmental impact of the recycling process.

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Charles Dickens's novels feature over 4 million words, with 714 locations in London noted. A map was created to visualize these locations, showing the areas Dickens focused on and omitted, revealing interesting insights into his writing style and preferences.

Generative AI models rely on large public data sets, but many websites are now restricting access to their data using robots.txt files, which may not be legally enforceable, potentially limiting the quality and availability of training data. As a result, AI companies may need to find alternative sources of data, such as licensing it directly or using synthetic data, which could lead to a ...

The article discusses the implementation of the bytecode virtual machine in CPython, including the bytecode instruction format, the execution loop, and the use of computed gotos for better performance. It also provides a walkthrough of a sample Python program to demonstrate how the CPython VM executes it, highlighting the role of stack frames and the bytecode evaluation loop.

A review paper published by the IEEE in January cited 60% retracted papers, highlighting the need for a tool to detect problematic research. A computer scientist, Guillaume Cabanac, has developed a "Feet of Clay Detector" to flag papers that heavily cite retracted work, and his data has been used to identify over 1,700 problematic papers.

A speed climbing competition in Villars-sur-Ollon had a hold out of place, but the climbers had optimized their route to skip it, and the issue was only noticed by a spectator. The incident highlights the importance of double-checking manual processes, even if the mistake is trivial, to ensure accuracy and fairness.

The program bin-graph visualizes binary files using libpng, offering various graph modes to represent the input file in an output image. The program includes a script bin-graph-section.sh that uses readelf and grep to find section offsets and sizes, and passes them to bin-graph with additional options.

The user discusses interactive development in Clojure, specifically using Emacs CIDER, VS Code, and Calva, and explains how to evaluate expressions within functions using the REPL without typing them in manually. They demonstrate how to use this technique to debug a middleware function, isolating and experimenting with different parts of the code without restarting the app or making network requests.

The author argues that documentation should be minimal and automated, with a focus on building processes into tools and keeping documentation up-to-date. They recommend creating an onboarding guide, documenting technical documents, and using automated API documentation, and emphasize the importance of treating documentation as a core feature of the product.

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world

IEEE is an international community that can help students build successful careers as technical professionals, providing resources, networking opportunities, and mentorship. By staying with IEEE, students can expand their professional network, elevate their image, and gain valuable skills, ultimately becoming part of a lifelong professional home that supports their technical and professional needs.

The HMD Barbie Phone is a flip phone designed for real-time connection, without distracting apps, featuring a pink and sleek design with interchangeable covers and customizable stickers and crystals. It's a unique device that allows users to express their style and individuality, with a focus on quality time spent with others.

The author creates a Python Docker image based on Google's Distroless container, but with an up-to-date version of Python and operating system updates. The image has a small attack surface and is more secure, making it suitable for production use.

Oprah's upcoming AI broadcast special will likely focus on commercial AI systems, ignoring historical learning systems, public models, and state-led efforts. The show will likely gloss over AI's risks, threats, and ethical concerns, prioritizing feel-good marketing over critical discussion.

Electric vehicle sales are up, with 1.2 million expected to be sold in the US by the end of 2024, despite recent headlines suggesting otherwise. However, the growth is slower than expected, and factors such as high prices, limited charging infrastructure, and competition from hybrids are contributing to a more complex and unpredictable market.

Nvidia's strong earnings report was met with a 7% stock slump, indicating a shift in Wall Street's enthusiasm for AI investments. The company's centrality in the AI narrative has driven its stock up 3,000% over five years, but investors are now getting more realistic about the actual value of AI technology and its revenue potential.

The author discusses the importance of ensuring consistency in the output of the astcenc codec across different instruction sets, and how this can be achieved by using invariant vector-length independent accumulator implementations. The author also highlights common pitfalls and solutions to invariance problems, including issues with floating-point arithmetic, variable-width accumulators, and ...

Distroless images are minimal Linux containers that contain only the application and its runtime dependencies, without package managers or shells, and are used by Google and other tech giants to improve security and reduce image size. These images are built using Bazel and are signed with cosign, and can be verified using keyless signature verification, with default entrypoints set to empty vectors.

NASA astronaut Butch Wilmore reported a strange, sonar-like noise coming from a speaker inside the Starliner spacecraft, which was docked to the International Space Station. The cause of the noise is unknown, but it is likely benign, and Wilmore did not seem concerned, despite the challenges Boeing and NASA have faced with the Starliner's debut crewed flight.

Dexcom launched Stelo, a continuous glucose monitor that doesn't require a prescription, for adults with type 2 diabetes, priced at $99 for a one-off purchase or $89 monthly. The device tracks blood glucose levels without finger pricks and is eligible for purchase using Flexible Spending or Health Savings Accounts, aiming to increase access to this technology.

The authors introduce metamaterial reactors as a new concept in electrified chemical reaction engineering, which uses inductively heated metamaterial baffles to achieve volumetric heating with near-unity efficiency and supports heat transfer and process-intensification capabilities. They demonstrate the concept with a proof-of-concept experiment using the reverse water-gas shift reaction, ...

The user explores the idea of storing non-pointer values in unsafe.Pointer variables in Go, concluding that it's a bad idea as it can cause the garbage collector to panic if it finds a pointer to freed memory. The user notes that while it may not cause immediate issues, it can lead to problems later on and advises against keeping such values around unless absolutely necessary.

The narrator recounts their experiences attending the Fasnacht carnival in Basel, Switzerland, where they witnessed a surreal and eerie atmosphere, with costumed participants and lanterns creating a sense of otherworldliness. The narrator reflects on the event's dark and carnivalesque tone, which seemed to defy contemporary understandings of progress and modernity, and the way it left them ...

Industry leaders warned about the rapidly advancing risks associated with artificial intelligence, emphasizing the urgent need for robust security measures to keep pace with exponential growth. They urged companies to invest as heavily in AI safety systems as they do in AI technologies themselves, warning that without proper safeguards, companies could be inviting disaster.

Semaglutide, a drug used to treat Type 2 diabetes and obesity, may also slow down the aging process and have far-reaching benefits beyond its initial use. Studies found that the drug reduced the risk of cardiovascular events, improved heart failure symptoms, and lowered inflammation levels, with potential applications in treating various illnesses.

Hops, a key ingredient in beer, have been used for medicinal purposes for thousands of years, with research suggesting they have antioxidant, antimicrobial, and anti-inflammatory properties. The plant's potential health benefits are being studied for use in treating various conditions, including anxiety disorders, insomnia, and hormone regulation, with new supplements and pharmaceuticals ...

Dylan Matthews discusses the mystery of thousands of pancreases taken from dead Americans' bodies in 2021-2023 that were never transplanted. He reveals that organ procurement organizations (OPOs) are misusing the organs for research, avoiding accountability and potentially wasting thousands of organs.

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Generative AI chatbots and assistants are becoming increasingly prevalent, but they are prone to confidently spouting falsehoods and could be used to manipulate the public through the subtle spread of misleading information. Researchers have found that AI chatbots can induce false memories and be used to distort the news or policy proposals, and there is concern that they could be used to ...

A native macOS app for the 7-Zip archiving utility. - AkshayKalose/789-Zip

The user and their girlfriend, Lena, have been working on a shared project, a flower machine that uses pneumatics, and will present an overview of pneumatics and their relationship with automating manufacturing. The post will also introduce the Poppy Logic Controller, a custom PLC-like device, and discuss the mechanical design elements, including the paper-feeding mechanism, which was the ...

The article argues that the programming language COBOL is not the main cause of system failures or problems with old and large codebases, but rather the size and structure of the code itself, which makes it hard to maintain and liable to failure. The article also introduces the concept of technical debt, which refers to the money and time spent to fix the problems caused by poorly maintained ...

OpenAI CEO Sam Altman and other tech leaders are making exaggerated claims about the capabilities of large language models (LLMs), which are not actually capable of understanding human language. Researchers argue that LLMs are flawed and unreliable, and that releasing them into important domains like education and medicine without proper testing and evaluation poses significant risks.

The user wants a quick and dirty logging solution for situations where print() is unavailable, such as in a cloud environment or a PHP API. The solution involves a WebSocket relay server that relays log entries to connected clients, allowing for separate logs within a session and optional message input.

The Financial Times offers a free trial with limited access, including reading free articles and newsletters, with a monthly subscription of CA$99 for full digital access. A yearly subscription saves 20% and includes access to the FT newspaper on any device, excluding ft.com and FT App.

The Common English Lexicon (CEL) is a dictionary of common English words, compiled by counting word frequencies in internet articles, books, and Google searches, and excluding uncommon words, proper nouns, and words from other languages. The CEL contains over 69,200 words, with a focus on words that are commonly used in everyday language, and is designed to be a useful tool for Scrabble ...

Germany's economic model, once considered superior, is no longer a suitable role model for the UK or other countries due to its slow growth, structural issues, and failure to adapt to technological change. Germany's struggles are partly due to its reluctance to change its successful but outdated model, making it an analogue economy in a digital world, and the UK should look to other ...

You're looking for a place or RSS feed to track all published journals, but it's impractical due to the massive number of articles (2.82 million per year). Instead, you can try websites like PMC, JSTOR, and Google Scholar, or use software to parse articles, but be aware of potential legal concerns.

The text discusses the effects of ability grouping and acceleration on K-12 students' academic achievement, presenting a second-order meta-analysis of existing meta-analyses to synthesize the findings. The analysis integrated mean effect sizes across 13 meta-analyses of ability grouping and 6 of acceleration, examining the methodological quality of the meta-analyses and potential publication biases.