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Generating Structured JSON Output with Local Llamafile

2025-06-26

This article demonstrates how to generate structured JSON outputs from Llamafile, a locally runnable LLM. By leveraging LangChain's JsonOutputParser and PromptTemplate, and defining a custom Answer class to specify the desired JSON structure, the author chains together prompt, LLM, and parser components. This cleverly bypasses Llamafile's lack of built-in structured output functionality. A practical example using Llama-3.2-1B-Instruct-Q8_0.llamafile is provided, along with a link to the complete source code.

(blog.brakmic.com)

Development JSON output

Hair-Thin 3D-Printed Electrode Revolutionizes EEG

2025-05-07

Hair-Thin 3D-Printed Electrode Revolutionizes EEG

Researchers at Penn State have developed a revolutionary 3D-printed electrode, as thin as a human hair, offering significantly more reliable brain activity monitoring than traditional EEG methods. This gel-less, 'stick-and-play' device remains securely attached for 24 hours, even during exercise and showering, minimizing motion artifacts and enhancing signal quality. Its improved comfort and reliability open doors for consumer health applications, brain-computer interfaces, and advancements in assistive technologies.

(newatlas.com)

Tech

Germline Engineering: A Roadmap to Superbabies

2025-04-06

Germline Engineering: A Roadmap to Superbabies

This article explores the potential of germline engineering to create 'superbabies.' The author recounts a 2023 conference on polygenic embryo screening in Boston, criticizing the scientific establishment's reluctance to embrace gene editing. The author and their cofounder delve into the potential of gene editing to enhance intelligence, reduce disease risk, and extend lifespan, highlighting the superior scalability of gene editing compared to embryo selection. They introduce Sergiy Velychko's 'Super-SOX' technology, which enables efficient creation of naive embryonic stem cells, opening unprecedented opportunities for gene editing. The article also explores alternative gene editing techniques, such as creating eggs and sperm from stem cells, and addresses legal and ethical challenges. Ultimately, the author calls for increased investment and research into this technology, viewing it as a 'backup plan' to potential AI risks.

(www.lesswrong.com)

Tech superbabies

NATS Near-Exit from CNCF Sparks Debate on Open Source Sustainability

2025-05-29

NATS Near-Exit from CNCF Sparks Debate on Open Source Sustainability

Synadia, the company behind the open-source messaging system NATS, briefly threatened to remove it from the CNCF and switch to a non-open-source license, raising concerns about the long-term viability of open-source projects. While a last-minute agreement saw Synadia transfer the trademark to the Linux Foundation and keep NATS open source, the incident highlighted tensions between open-source foundations and contributing companies. The dispute revealed vulnerabilities in the current framework, underscoring the need for clearer asset management and stronger safeguards to protect open-source projects from similar future threats. The controversy also sparked discussions about the role of foundations in maintaining the stability and trust within the open-source community.

(www.infoq.com)

Development

The World's Longest Train Journey: A Myth Debunked?

2025-05-17

The World's Longest Train Journey: A Myth Debunked?

A purported train route from Lagos, Portugal to Singapore, spanning 18,755 km across 13 countries, claims the title of the world's longest train journey. However, this claim is riddled with issues: the route's definition is fluid, allowing for arbitrary additions; it requires numerous transfers, negating the 'single journey' aspect; and sanctions related to the Ukraine conflict have disrupted the Moscow-Beijing leg. The article explores the definition and feasibility of the 'longest train journey', highlighting that the actual longest single-train journey is Moscow to Pyongyang at 10,214 km. Ultimately, the author emphasizes the journey itself as more significant than the destination.

(bigthink.com)

Misc train travel

Prince Rupert's Drops: Glass Stronger Than a Bullet

2025-04-12

Prince Rupert's Drops: Glass Stronger Than a Bullet

Prince Rupert's drops, formed by dripping molten glass into cold water, possess incredible strength, able to withstand even a bullet impact. The secret lies in the high internal pressure and surface tension created during rapid cooling. This unique physics has inspired the development of super-strong glasses like Gorilla Glass, offering superior protection for devices like smartphones.

(www.popularmechanics.com)

Tech glass Prince Rupert's drop

Microsoft's Copilot Leaks 20,000+ Private GitHub Repositories

2025-02-28

Security firm Lasso revealed that Microsoft's Copilot AI assistant exposed over 20,000 private GitHub repositories belonging to companies like Google, Intel, and Huawei. These repositories, initially public, were later set to private but remained accessible via Copilot due to Bing's caching mechanism. Even after Microsoft addressed the Bing cache issue in November, Copilot continued to access a private repository removed due to a Microsoft lawsuit, highlighting significant data security risks associated with large language models.

(arstechnica.com)

Tech

Fighting Back Against Malicious Bots with Zip Bombs

2025-04-29

Fighting Back Against Malicious Bots with Zip Bombs

Facing relentless attacks from malicious bots? A website owner shares his ingenious solution: zip bombs. These small compressed files expand into massive files, overwhelming attacker resources. By detecting malicious requests, the author serves a compressed zip bomb, effectively repelling multiple attacks and safeguarding his website. While not foolproof, it's a surprisingly effective defense against unsophisticated botnets.

(idiallo.com)

Development zip bomb

Muscle-Mem: Giving AI Agents Muscle Memory

2025-05-14

Muscle-Mem: Giving AI Agents Muscle Memory

muscle-mem is a Python SDK that acts as a behavior cache for AI agents. It records an agent's tool-calling patterns as it solves tasks and deterministically replays those learned trajectories when encountering the same task again, falling back to agent mode if edge cases are detected. The goal is to get LLMs out of the hotpath for repetitive tasks, increasing speed, reducing variability, and eliminating token costs for tasks that could be handled by a simple script. Cache validation is crucial, implemented via custom 'Checks' ensuring safe tool reuse.

(github.com)

AI Behavior Cache

Cosmic Void: Are We Living in a Giant Void?

2025-07-29

Cosmic Void: Are We Living in a Giant Void?

New research suggests we might reside within a vast cosmic void, potentially resolving the 'Hubble tension'—the discrepancy in the universe's expansion rate. Analyzing the 'sound' of the early universe (baryon acoustic oscillations), researchers found our local region has roughly 20% lower matter density than average. This low-density void would gravitationally affect observations, making the universe appear to expand faster, aligning with measurements. The study concludes that a universe model incorporating a local void is significantly more likely than one without, offering a novel perspective on a long-standing cosmological puzzle.

(phys.org)

Tech Cosmic Void

Kenyan Startup Uses Mushrooms to Tackle Housing Shortage

2025-03-14

Kenyan Startup Uses Mushrooms to Tackle Housing Shortage

Facing a severe housing deficit, Kenyan startup MycoTile is revolutionizing construction with eco-friendly building materials. They utilize agricultural waste like sugarcane bagasse, binding it with oyster mushroom mycelium to create affordable insulation panels. These panels, already proven effective in student accommodation, offer superior sound and temperature regulation at two-thirds the cost of conventional materials. Furthermore, they're fully compostable. While facing challenges in convincing a conservative construction industry and public accustomed to traditional materials, MycoTile's innovation offers a promising solution to Kenya's housing crisis.

(www.nature.com)

Startup agricultural waste construction materials

Molecular Dynamics: A Deep Dive from Theory to Practice

2025-06-10

Molecular Dynamics: A Deep Dive from Theory to Practice

This article provides a comprehensive overview of molecular dynamics (MD) simulations, explaining the underlying principles and practical applications. Using protein folding as a central example, it details the steps involved: force fields, energy minimization, equilibration, and production simulations. Advanced topics such as quantum effects, enhanced sampling, and free energy calculations are also explored. Two case studies demonstrate the use of MD in drug discovery and influenza adaptation research. The article concludes by highlighting the limitations and future directions of MD simulations.

(www.owlposting.com)

Tech molecular dynamics

GitHub Copilot Chat Goes Open Source: Transparency in AI Coding

2025-07-06

GitHub Copilot Chat Goes Open Source: Transparency in AI Coding

Microsoft open-sourced the GitHub Copilot Chat extension for VS Code, offering unprecedented transparency into its AI-powered code assistant. Copilot Chat understands codebases, helping developers clean up functions, add error handling, explain logic, and even refactor files. Its 'Agent mode' automates compilation, error fixing, test monitoring, and more. While the underlying models remain closed-source, the open-sourced VS Code extension allows auditing, customization, and even building new tools on top of it, significantly increasing trust and transparency in AI tools.

(nerds.xyz)

Development

Astral Launches Pyx: A Next-Gen Python Package Registry

2025-08-14

Astral Launches Pyx: A Next-Gen Python Package Registry

Astral has launched Pyx, a native Python package registry and the first component of its next-generation infrastructure for the Python ecosystem, the Astral platform. Pyx optimizes the uv package manager, serving not only as a package registry but also solving problems beyond the scope of traditional package registries, such as increased speed, enhanced security, and GPU support. Currently live with early partners including Ramp, Intercom, and fal, Pyx aims to deliver a next-generation Python experience for teams. Astral builds high-performance developer tools for the Python ecosystem, with the goal of making Python the most productive programming ecosystem on Earth.

(astral.sh)

Development Astral Platform

Amiga OS Architecture: Lessons from a Legacy System

2025-06-01

This article delves into the Amiga OS API and ABI, focusing on its unique direct-call shared library approach, eliminating runtime linking. This is achieved by calling a table of branch instructions at a known location within the library. Exec.library, always at the same address, provides functions to get the addresses of other libraries' tables. This ABI is language-agnostic and functions even with modern memory protection. Amiga OS is further praised for its efficient kernel, messaging system, and Intuition windowing system, which enables asynchronous event handling, avoiding the program freezes common in modern systems. The design principles of Amiga OS remain relevant today.

(asm-basic-coder.neocities.org)

Development

Linux 6.15 to Drop Support for 486 and Early Pentium Processors

2025-05-08

Linux 6.15 to Drop Support for 486 and Early Pentium Processors

The Linux kernel is about to reach a significant milestone: Linux 6.15 will drop support for the 486 and early Pentium processors. This decision stems from the fact that these processors are practically obsolete in modern systems, and maintaining compatibility consumes valuable development resources. While this means some ancient systems won't run the latest Linux kernel, it will simplify the kernel code, improve performance, and reduce maintenance overhead. For most users, this change will be completely transparent, as 486 processors have long since faded into history.

(www.zdnet.com)

Tech 486 processor

Microsoft Scraps $1B Ohio Data Center Project Amidst Global Cancellations

2025-04-09

Microsoft Scraps $1B Ohio Data Center Project Amidst Global Cancellations

Microsoft has abruptly halted plans to build three data centers in Licking County, Ohio, representing a $1 billion investment. This follows a string of data center project cancellations across the US, Europe, APAC, and the UK, fueling speculation of an oversupply in the data center market. While Microsoft maintains sufficient capacity and ongoing infrastructure investment plans, the cancellation suggests a strategic shift potentially driven by evolving demand forecasts.

(www.datacenterdynamics.com)

Tech Data Center

The Mystery of the Strobe Dots on Your Turntable

2025-04-10

The Mystery of the Strobe Dots on Your Turntable

Those little dots on your turntable aren't just for looks; they're a clever speed-checking mechanism! The 'stroboscopic effect' lets you visually verify your turntable's RPM accuracy. A quick glance tells you if the platter is spinning at the correct speed. Jumping or drifting dots? Time to check your motor or pitch slider. This article explains the physics behind this handy feature and how to use it to ensure your vinyl plays perfectly.

(www.djmentors.com)

Hardware turntable stroboscopic effect vinyl

Cybercriminals Shift to Proxies to Mask Their Activities

2025-06-07

Cybercriminals Shift to Proxies to Mask Their Activities

To evade law enforcement, cybercriminals are increasingly using proxy servers and VPNs to mask their malicious activities. Previously reliant on 'bulletproof' hosting providers, the crackdown on these services has forced a shift. Criminals now leverage residential proxies and other decentralized services, using ordinary consumer IP addresses to obscure their operations, making tracking and identification extremely difficult. This transition presents new challenges to cybersecurity, requiring law enforcement to develop new strategies to combat increasingly sophisticated cybercrime.

(www.wired.com)

Tech proxy servers VPNs

The Evolution of DNS Security: From Trust Crisis to Encrypted Future

2025-05-24

The Evolution of DNS Security: From Trust Crisis to Encrypted Future

Initially lacking robust security mechanisms, DNS was vulnerable to various attacks, including cache poisoning and man-in-the-middle exploits. DNSSEC addressed this by adding cryptographic authentication and data integrity, but adoption remains slow. Internationalized Domain Names (IDNs) solved DNS's ASCII limitations, enabling multilingual internet access. Recently, encrypted DNS protocols like DoH, DoT, DoQ, and ODoH have boosted user privacy and performance, while introducing trade-offs regarding network visibility and operational complexity.

(axonshield.com)

Tech encrypted DNS internationalized domain names

Stuffed-Naan: Hiding Data in Plain Sight (Using NaNs)

2025-04-26

Stuffed-Naan: Hiding Data in Plain Sight (Using NaNs)

Stuffed-Naan is a novel library leveraging the peculiarities of JavaScript's NaN (Not a Number) values to hide and transport data. By cleverly encoding data into the mantissa of NaN values, Stuffed-Naan preserves the original data even after mathematical operations. The article humorously introduces this library, highlighting its high compression ratio, speed, and privacy features, while also mentioning the enterprise edition's added functionalities. While quirky, it effectively exploits the characteristics of IEEE 754 floating-point numbers.

(github.com)

Development data hiding

Introducing 'Solsthelion': A New Word for the Holiday Season

2024-12-30

The author coined the word 'Solsthelion', a portmanteau of 'Solstice' and 'Perihelion'. The December Solstice occurs around December 21st, and the Perihelion (Earth's closest point to the Sun) is around January 4th. 'Solsthelion' thus neatly encompasses the holiday period. It's purely astronomical, devoid of cultural or historical ties. The author suggests using 'Happy Solsthelion' as a festive greeting after mid-December.

(www.solipsys.co.uk)

Misc new word solstice perihelion

Intentionally Slowing Down Programs: A Surprising Boost to Developer Tool Accuracy

2025-08-27

Intentionally Slowing Down Programs: A Surprising Boost to Developer Tool Accuracy

Most research on programming language performance focuses on speeding up programs, but a new study explores the benefits of intentionally slowing them down. By inserting NOP or MOV instructions into program basic blocks, researchers achieved fine-grained control over program execution, leading to more precise race condition detection, speedup simulation, and profiler accuracy assessment. Experiments on an Intel Core i5-10600 showed that NOP and MOV instructions are best suited for this purpose, opening new avenues for future advanced developer tooling.

(stefan-marr.de)

Development profilers

ROSplat: Online ROS2-Based Gaussian Splatting Visualizer

2025-04-29

ROSplat: Online ROS2-Based Gaussian Splatting Visualizer

ROSplat is the first online ROS2-based visualizer utilizing Gaussian splatting to render complex 3D scenes in real-time. It efficiently handles millions of Gaussians using custom ROS2 messages and GPU-accelerated sorting and rendering. Supporting data loading from PLY files and ROS2 tools like bag recording, ROSplat requires an NVIDIA GPU for optimal performance. Installation options include pip or Docker. Developed by Shady Gmira with thanks to Qihao Yuan and Kailai Li for their guidance.

(github.com)

Development

Far-UVC: The Future of Clean Air?

2025-09-23

Far-UVC: The Future of Clean Air?

This article explores the potential of far-ultraviolet (far-UVC) technology to purify indoor air and prevent airborne diseases. Drawing parallels to the historical success of water treatment in reducing waterborne illnesses, it argues that far-UVC could revolutionize air purification. While briefly used in the 1930s, far-UVC was sidelined due to technological limitations and the rise of antibiotics. New far-UVC lamps overcome these drawbacks, effectively killing airborne pathogens without harming humans. However, widespread adoption faces challenges including inconsistent product quality, lack of standardization, and insufficient research data. The article calls for increased research and application of far-UVC to improve indoor air quality and reduce the risk of airborne diseases.

(www.worksinprogress.news)

Tech disease prevention

AI Research Update: Reinforcement Learning and Interpretability Take Center Stage

2025-05-26

AI Research Update: Reinforcement Learning and Interpretability Take Center Stage

Sholto Douglas and Trenton Bricken from Anthropic join Dwarkesh Patel's podcast to discuss the latest advancements in AI research. The past year has seen breakthroughs in reinforcement learning (RL) applied to language models, particularly excelling in competitive programming and mathematics. However, achieving long-term autonomous performance requires addressing limitations such as lack of contextual understanding and difficulty handling complex, open-ended tasks. In interpretability research, analyzing model "circuits" provides insights into the model's reasoning process, even revealing hidden biases and malicious behaviors. Future AI research will focus on enhancing model reliability, interpretability, and adaptability, as well as addressing the societal challenges posed by AGI.

(www.dwarkesh.com)

AI

Unlocking Tabular Data for LLMs: A Mechanical Distillation Approach

2025-05-09

Unlocking Tabular Data for LLMs: A Mechanical Distillation Approach

Large language models (LLMs) excel at processing text and images, but struggle with tabular data. Currently, LLMs primarily rely on published statistical summaries, failing to fully leverage the knowledge within tabular datasets like survey data. This article proposes a novel approach using mechanical distillation techniques to create univariate, bivariate, and multivariate summaries. This is augmented by prompting the LLM to suggest relevant questions and learn from the data. The three-step pipeline involves understanding data structure, identifying question types, and generating mechanical summaries and visualizations. The authors suggest this approach can enhance Retrieval Augmented Generation (RAG) systems and supplement potentially biased 'world knowledge', recommending starting with scientific paper repositories (like Harvard Dataverse) and administrative data for validation.

(www.gojiberries.io)

AI Tabular Data Knowledge Extraction

Solving the Ligature Puzzle in Monospace Fonts

2025-01-10

A developer building a graphical code editor encountered a challenge with ligature rendering in monospace fonts. Enabling ligatures introduced an extra glyph, "LIGSPACE", causing incorrect rendering for certain character combinations. Through experimentation, the developer discovered this wasn't a true ligature, but a zero-width placeholder adjusting spacing. The solution involved ignoring glyphs with zero rendering dimensions, effectively resolving the issue. This post shares the findings and insights gained during this debugging journey.

(joshleeb.com)

Development font rendering ligatures

Jupiter's Gigantic Past: Twice the Size, 50x Stronger Magnetic Field

2025-05-21

Jupiter's Gigantic Past: Twice the Size, 50x Stronger Magnetic Field

New research reveals a surprising past for Jupiter: it was once twice its current size and boasted a magnetic field 50 times stronger than today's! By analyzing the orbital tilts of Jupiter's tiny moons, researchers calculated Jupiter's size and magnetic field strength at a pivotal moment when the surrounding solar nebula evaporated. This finding provides crucial evidence for understanding the formation and evolution of our solar system and adds detail to existing planet formation theories.

(phys.org)

Tech Solar System Formation Planetary Science

Stratolaunch's Talon-A2 Achieves Hypersonic Flight – Twice

2025-05-07

Stratolaunch's Talon-A2 Achieves Hypersonic Flight – Twice

Stratolaunch successfully conducted two hypersonic test flights of its Talon-A2 vehicle. Launched from its massive Roc carrier aircraft, Talon-A2 reached hypersonic speeds over the Pacific Ocean before successfully landing. This achievement represents a significant advancement in US hypersonic technology, paving the way for military and commercial applications. The tests utilized Northrop Grumman's Advanced Hypersonic Technology Inertial Measurement Unit, gathering valuable data for future development. The flights supported the US military's MACH-TB program in partnership with Leidos.

(www.space.com)

Tech hypersonic test flight

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