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Lunar 4G: Nokia's Cell Network for Artemis

2025-02-18

Lunar 4G: Nokia's Cell Network for Artemis

NASA's Artemis program, aiming to establish a permanent lunar presence, necessitates a more advanced communication system than traditional point-to-point radio. Nokia has developed a 4G cellular network for the moon, housed in a radiation-hardened, temperature-resistant 'network in a box'. This compact solution, requiring only an antenna and power source, will enable enhanced communication between the lunar lander and other vehicles during missions like IM-2. However, its functionality will be limited to a few days due to the harsh lunar environment.

(www.technologyreview.com)

Tech lunar communication 4G network Artemis program

The PC is Dead: Reclaiming Personal Computing

2025-01-20

This article argues that the personal computer era has ended due to surveillance capitalism and DRM. Once a symbol of technological liberty, allowing individuals complete control, the PC has been subverted. Today's tech companies prioritize endless growth over useful products, creating an "extractive economy" that treats user data as a resource to be exploited. The author calls for legislative reform, support for open-source projects, and other measures to regain control of our digital lives and usher in a "Personal Computer 2.0" era.

(www.vintagecomputing.com)

Tech tech freedom

OpenAI's FrontierMath Debacle: A Transparency Crisis in AI Benchmarking

2025-01-21

OpenAI's FrontierMath Debacle: A Transparency Crisis in AI Benchmarking

OpenAI's new model, o3, achieved impressive results on the FrontierMath math benchmark, but the story behind it is controversial. FrontierMath, created by Epoch AI, was funded by OpenAI, which also had exclusive access to most of the hardest problems. This lack of transparency raises concerns about the validity of o3's performance and broader issues surrounding AI benchmarking transparency and safety. Even if OpenAI didn't directly train on the dataset, exclusive access could have provided an indirect advantage. The incident highlights the need for greater transparency, clear data usage agreements, and consideration of AI safety implications in future AI benchmarks.

(www.lesswrong.com)

AI AI Benchmarking Transparency

Index Funds Crush Actively Managed Funds: Time to Upgrade Your Investment Strategy?

2025-03-09

Index Funds Crush Actively Managed Funds: Time to Upgrade Your Investment Strategy?

For years, actively managed fund managers have claimed to beat the market, but data reveals a harsh truth: index funds significantly outperform them in the long run. The SPIVA report shows that the majority of actively managed large-cap US equity funds have underperformed the S&P 500 index for years. Ordinary investors should opt for the simplicity, low cost, and superior long-term performance of index funds, avoiding emotional investment mistakes. While concerns exist about the concentration of power in index funds, such as potential impacts on corporate governance and political agendas, their superior long-term returns make them the preferred choice for the average investor.

(www.latimes.com)

Startup index funds actively managed funds

Intel 8080: The Microprocessor That Changed the World

2024-12-29

Intel 8080: The Microprocessor That Changed the World

Fifty years ago, the Intel 8080 microprocessor launched, marking a pivotal moment in computing history. Unlike its predecessors designed for specific clients, the 8080 was the first truly general-purpose microprocessor. Its efficiency, power, and flexible 40-pin configuration made it easier to connect to other components and integrated functions previously requiring multiple chips. Priced at just $360, the 8080 democratized computing, making it accessible to businesses and individuals alike. This spurred the mass adoption of personal computers, created new categories of silicon-powered devices, and boosted programming as a crucial skill. Its legacy continues today; the 8080 directly inspired the x86 architecture, now the world's most widely used computing architecture.

(www.intel.com)

Tech Microprocessor x86 architecture

Dhruv Vidyut: Bolt-On E-Conversion Kit for Bikes

2025-01-23

Dhruv Vidyut offers a revolutionary electric conversion kit (DVECK) for bicycles and tricycles. Easily retrofitted, DVECK transforms any bike into an e-bike, providing a comfortable, efficient, and eco-friendly ride on any terrain. The company offers various options and welcomes business inquiries, including bulk purchases, dealership opportunities, and overseas imports.

(dhruvvidyut.co.in)

Hardware e-bike conversion kit electric bicycle

Beam: SSH-based File and Pipe Transfer Tool

2025-01-04

Beam: SSH-based File and Pipe Transfer Tool

Beam is a tool for transferring files and pipes over SSH, requiring only an SSH client; no binary installation is needed. It supports pipe transfer, offers high security with public key authentication, and uses simple SSH commands for sending and receiving data. Random channel names can enhance security. While the Beam server is located in Germany, transfer speeds might be limited, and end-to-end encryption isn't supported (data is briefly decrypted on the server), its lightweight nature and simple self-hosting make it a convenient file transfer solution.

(github.com)

Development file transfer pipe transfer

LangManus: An Open-Source AI Automation Framework for Multi-Agent Collaboration

2025-03-23

LangManus: An Open-Source AI Automation Framework for Multi-Agent Collaboration

LangManus is a community-driven open-source AI automation framework that integrates language models with tools for web search, crawling, and Python code execution. Developed by former colleagues in their spare time, this project aims to explore multi-agent and deep research, participating in the GAIA leaderboard. LangManus employs a hierarchical multi-agent system with roles such as Coordinator, Planner, Supervisor, Researcher, Coder, Browser, and Reporter, supporting various LLM integrations including Qwen and OpenAI-compatible models. The project is open-sourced under the MIT license and welcomes community contributions.

(github.com)

AI AI automation multi-agent system

The LLM Impact Curve for Software Engineers

2025-02-09

The LLM Impact Curve for Software Engineers

This article explores the impact of Large Language Models (LLMs) on software engineers of different experience levels. The author argues that the usefulness of LLMs follows a curve: junior engineers benefit the most, using LLMs to quickly learn and solve problems; mid-level engineers see more limited gains, as LLMs struggle with complex issues; senior engineers see the least improvement, relying more on their experience; while staff+ engineers can leverage LLMs to rapidly create proof-of-concept projects. In short, the impact of LLMs depends on the engineer's experience level and the tasks they work on, making them far from a silver bullet.

(serce.me)

Development

Sub-$50 AI Reasoning Model Rivals Cutting-Edge Competitors

2025-02-06

Sub-$50 AI Reasoning Model Rivals Cutting-Edge Competitors

Researchers at Stanford and the University of Washington trained an AI reasoning model, s1, for under $50 using cloud compute. s1's performance matches state-of-the-art models like OpenAI's o1 and DeepSeek's R1 on math and coding tasks. The team leveraged knowledge distillation, using Google's Gemini 2.0 Flash Thinking Experimental as a teacher model and a dataset of 1,000 carefully curated questions. This low-cost replication raises questions about the commoditization of AI and has reportedly upset large AI labs.

(techcrunch.com)

AI knowledge distillation low-cost AI

NCURSES: The Unsung Hero of UNIX Terminal Programming

2025-03-26

This document introduces the NCURSES library, a powerful and terminal-independent library for screen painting and input event handling. Originating from the screen-handling routines of the vi editor, it evolved through termcap and terminfo databases. NCURSES supports multiple highlights, color, mouse interaction, and extensions for panels, menus, and forms, simplifying terminal application development significantly.

(invisible-island.net)

Development terminal programming

The Oklo Natural Nuclear Reactor: A 2-Billion-Year-Old Mystery Solved

2025-06-20

The Oklo Natural Nuclear Reactor: A 2-Billion-Year-Old Mystery Solved

In 1972, a peculiar discovery at the Oklo uranium mine in Gabon baffled scientists: the uranium ore contained a lower-than-expected proportion of uranium-235. Investigations revealed a naturally occurring nuclear fission reaction dating back over two billion years. The high uranium concentration, coupled with groundwater acting as a moderator, allowed a sustained chain reaction. This astonishing find demonstrates that natural nuclear reactors can exist, with Oklo remaining the only known example preserved to this day.

(www.iaea.org)

Tech natural phenomenon

The Demise of the 80x25 Text Console in Modern Linux

2025-09-17

The author encountered a frustrating issue: the classic 80x25 text console, a feature present in DOS, OS/2, FreeBSD, and Linux for over 40 years, is largely gone in modern Linux systems. This isn't simply a resolution problem; it involves UEFI booting, non-x86 platforms, and the shift to graphical rendering modes. Old solutions like the `vga=` parameter are ineffective, and newer attempts like using `kmscon` have significant issues. The author is resorting to finding an older PC, highlighting the declining compatibility between modern systems and legacy hardware.

(changelog.complete.org)

Development text console

Reclaiming Focus in the Age of Distraction: A Path to Deeper Living

2025-02-16

Reclaiming Focus in the Age of Distraction: A Path to Deeper Living

Drawing on personal experience and insights from books like 'Stolen Focus' and 'Digital Minimalism', the author explores strategies for combating digital distractions and cultivating a deeper, more focused life. The article uses neuroscience to explain how tech companies manipulate dopamine levels to influence behavior, then offers practical solutions. These include creating focused work environments (libraries, cafes), using offline tools (Obsidian), establishing routines, taking regular breaks (physical, mental, creative, etc.), and incorporating mini-retirements. The author argues that minimizing digital distractions and prioritizing high-quality work and life leads to lasting satisfaction and happiness. The piece concludes by emphasizing the importance of connecting with nature, cultivating patience, and viewing creativity as a gardening process requiring nurturing.

(www.ssp.sh)

Misc deep work digital minimalism

HP Acquires Humane's AI Capabilities for $116M, Accelerating AI Transformation

2025-02-18

HP Acquires Humane's AI Capabilities for $116M, Accelerating AI Transformation

HP Inc. announced a definitive agreement to acquire key AI capabilities from Humane for $116 million, including its AI platform Cosmos, a significant patent portfolio, and a team of highly skilled engineers. This acquisition accelerates HP's transformation into an experience-led company. The Humane team will join HP's new AI innovation lab, HP IQ, to build an intelligent ecosystem across HP's product range, enhancing user experience and productivity across PCs, printers, and connected workspaces.

(humane.com)

Tech AI Acquisition

Linear Algebra Powers Interactive Diagramming Editor

2024-12-17

Linear Algebra Powers Interactive Diagramming Editor

Ivan Shubin, in developing his interactive diagramming editor Schemio, cleverly used matrix operations from linear algebra to solve a series of challenging problems. Initially, Schemio only supported simple shape creation and manipulation. However, when a hierarchical structure was introduced, coordinate transformations became complex. The author initially used a recursive approach but encountered issues with scaling and pivot points. Ultimately, Shubin leveraged matrices to represent transformations (translation, rotation, scaling), using matrix multiplication for coordinate conversion and ingeniously employing matrix inversion to solve the world-to-local coordinate conversion problem. Furthermore, matrix operations addressed the precise adjustment of an object's position and rotation when moving within the hierarchy, preventing unexpected jumps. Schemio's source code is open-source and available on GitHub.

(medium.com)

Development linear algebra matrix operations interactive diagramming editor

Open Source Developers Face OFAC Sanctions: A New Guide Navigates the Complexities

2025-02-02

Open Source Developers Face OFAC Sanctions: A New Guide Navigates the Complexities

US government OFAC sanctions are impacting the open-source community, particularly restricting collaboration with developers from sanctioned countries. The Linux Foundation has released a comprehensive guide to help open-source developers understand and comply with OFAC regulations, avoiding legal risks associated with working with sanctioned individuals or entities. The guide highlights the "50% rule," clarifies the scope of the "informational materials" exemption, and cautions developers against two-way engagement or indirect collaboration with developers from sanctioned regions. While compliance isn't easy, this guide provides a valuable resource for developers navigating the complex intersection of technology, law, and international relations.

(thenewstack.io)

Development OFAC Sanctions Compliance

BYD Yangwang U9 Electric Supercar Jumps Potholes and Spikes

2025-01-10

BYD Yangwang U9 Electric Supercar Jumps Potholes and Spikes

BYD's luxury brand, Yangwang, has showcased the impressive off-road capabilities of its U9 electric supercar in a recent video. The video shows the U9 accelerating to 120km/h and leaping over a 2.5-meter pothole and a 4-meter stretch of tire spikes. This feat is enabled by its advanced DiSus-X hydraulic suspension system, which actively controls each wheel's position. The U9 boasts four electric motors, producing a combined 960kW and 1680Nm of torque, achieving a top speed of 309km/h and a 0-100km/h time of 2.36 seconds. While not currently planned for release in Australia, its performance is undeniably striking.

(www.drive.com.au)

Tech Yangwang U9 Electric Supercar

Saying Goodbye to Traditional Tiling Window Managers: Embracing the Infinite Space of Niri

2025-03-12

Saying Goodbye to Traditional Tiling Window Managers: Embracing the Infinite Space of Niri

The author, a long-time user of tiling window managers (Sway and i3), recently switched to the innovative Niri window manager due to a bug in Sway. Niri uses a scrollable tiling design, solving the space limitations of traditional tiling managers. The author details comparisons between Niri and Sway, highlighting Niri's superior screen sharing, screenshot capabilities, battery life, and ease of hacking. He argues that Niri breaks the artificial space constraints of traditional tiling managers, boosting productivity, and highly recommends it to others.

(ersei.net)

Development

3200% CPU Usage? An Unguarded TreeMap Caused My Nightmare

2025-02-28

3200% CPU Usage? An Unguarded TreeMap Caused My Nightmare

The author's machine hit 3200% CPU utilization! The culprit? An unprotected `TreeMap`. Concurrent access from multiple threads created a cycle in the red-black tree, causing the program to get stuck in `TreeMap.put()`. Experiments reproduced the issue, revealing that only languages allowing NullPointerException catches could exhibit this problem. Solutions are discussed, highlighting the importance of code reviews, static analysis, and multithreaded tests in preventing such issues.

(josephmate.github.io)

Development

Ente Photos: On-Device Machine Learning for Enhanced Privacy

2024-12-15

Ente Photos: On-Device Machine Learning for Enhanced Privacy

Ente Photos utilizes a unique on-device machine learning approach, running models locally instead of in the cloud to guarantee end-to-end encryption and user privacy. Overcoming challenges of limited compute, diverse platforms, and restricted access to ML libraries, Ente achieves features like image indexing, clustering, semantic search, and face recognition. While local processing presents technical hurdles, Ente addresses them through model optimization, algorithmic refinements, and meticulous image processing, leveraging open-source tools like ONNX Runtime. The result is a consistent and efficient cross-platform experience, allowing users to securely explore and manage their memories.

(ente.io)

AI on-device machine learning

POSIX Time: Not What You Think

2024-12-26

This article debunks a common misconception about POSIX time (Unix time): it's not simply the number of seconds since January 1, 1970, 00:00:00. Due to leap seconds, the number of seconds in a UTC day isn't a constant 86,400, leading to discrepancies between POSIX time and the actual number of seconds. The article delves into the impact of leap seconds on time calculations and recommends alternatives like CLOCK_MONOTONIC or TAI for precise timekeeping, avoiding errors caused by leap seconds.

(aphyr.com)

Development POSIX time leap seconds

Stop Being a JIRA Zombie: Prioritize Impact Over Tickets

2025-01-25

This insightful post shares a valuable lesson learned by an engineer: Don't get bogged down in completing JIRA tickets; focus on strategically important projects. True productivity isn't about closing more tickets, but prioritizing what management deems crucial. The author outlines methods for identifying high-impact tasks, such as focusing on high-visibility incidents, unanswered questions, and project deadlines. A personal anecdote illustrates the frustration of focusing on less important tasks, advocating for ruthless prioritization and concentrating on projects that contribute real value. The result? Greater impact in less time.

(www.seangoedecke.com)

Development

TokenVerse: Multi-Concept Personalization in Text-to-Image Diffusion Models

2025-01-28

TokenVerse: Multi-Concept Personalization in Text-to-Image Diffusion Models

TokenVerse introduces a novel method for multi-concept personalization leveraging a pre-trained text-to-image diffusion model. It disentangles complex visual elements and attributes from a single image, enabling seamless generation of combinations of concepts extracted from multiple images. Unlike existing methods limited in concept type or breadth, TokenVerse handles multiple images with multiple concepts each, supporting objects, accessories, materials, pose, and lighting. By optimizing for distinct directions in the model's modulation space for each word, it generates images combining desired concepts. Experiments demonstrate its effectiveness in challenging personalization settings.

(token-verse.github.io)

AI personalization

Efficient German Language Learning: Is Anki the Answer?

2024-12-21

Efficient German Language Learning: Is Anki the Answer?

An engineer living in Germany for eight years confesses to still not knowing the language. To remedy this, they're trying Anki, leveraging spaced repetition to learn 10 new German words daily – aiming for C1 level proficiency within a year. They chose a frequency-ordered Anki deck, adding audio pronunciations themselves. The author invites readers to share their Anki experiences and German learning tips.

(www.argpar.se)

Development German learning Spaced Repetition

College Student Sues School District for Neglect: Honors Graduate Can't Read or Write

2025-03-11

College Student Sues School District for Neglect: Honors Graduate Can't Read or Write

Aleysha Ortiz, a 19-year-old college student, is suing the Hartford Board of Education and the city of Hartford for negligence after graduating high school with honors and a college scholarship, despite being illiterate. The lawsuit alleges the school district failed to adequately address Ortiz's learning disabilities, leading to academic struggles and maladaptive behaviors. The case highlights inequalities in public education, particularly for minority students, raising concerns about educational equity and the potential impact of abolishing the Department of Education. Despite the challenges, Ortiz is thriving at UConn, but hopes to prevent other students from suffering similar experiences.

(www.ky3.com)

Misc educational inequality learning disability

WaPo Cartoonist Quits After Bezos-Trump Satire Killed

2025-01-04

WaPo Cartoonist Quits After Bezos-Trump Satire Killed

Pulitzer Prize-winning Washington Post cartoonist Ann Telnaes resigned after her satirical cartoon criticizing Amazon CEO Jeff Bezos and other tech giants for currying favor with President-elect Trump was killed by the paper. The cartoon depicted Bezos, Mark Zuckerberg, Sam Altman, and others bowing to Trump. Telnaes cited Bezos' handling of the Post, including its unprecedented decision not to endorse a presidential candidate in 2024, as undermining the free press. She stated that her role is to hold power accountable, and her inability to do so led to her resignation.

(www.thewrap.com)

Tech free press media censorship political cartoon

Unlocking the RAK5010's BG95-M3 USB Serial Ports

2025-02-22

Unlocking the RAK5010's BG95-M3 USB Serial Ports

This post details accessing the three serial ports on the Quectel BG95-M3 module embedded in the RAK5010 development board. The author, after consulting the schematic, identified and resoldered four resistors to redirect the USB data lines from the nRF52840 to the BG95-M3. Despite a minor mishap involving a lost resistor, the modification was successful, allowing direct USB communication with the modem and access to its three serial ports.

(danielmangum.com)

Hardware

Bullies Have More Kids: A Shocking New Study

2025-03-10

Bullies Have More Kids: A Shocking New Study

New research from Brock University reveals a startling correlation: adolescent bullies tend to have more children in adulthood than their peers. The study, published in Evolutionary Behavioral Sciences, examined the link between adolescent bullying and adult fertility. Researchers found that bullies, both male and female, had higher rates of early parenthood and overall higher fertility. This suggests that bullying, in part, may be an evolutionary adaptation enhancing reproductive success. The long-term study tracked hundreds of students from grade 5 onwards, supplementing the data with retrospective accounts from adults aged 24-35. The findings highlight the long-term consequences of bullying, not just for victims, but for the perpetrators as well, raising concerns about the potential transmission of bullying behavior across generations. Future research will explore the parenting styles of bullies and whether their children are raised to be bullies.

(phys.org)

Misc bullying fertility

Taylorator: Flooding the FM Band with Taylor Swift (and Some Legal Concerns)

2025-01-27

The Taylorator is a project that uses Software Defined Radio (SDR) to broadcast Taylor Swift's music across the FM radio band. The creator wrote software to simultaneously transmit 100 songs to different FM frequencies, effectively 'flooding' the airwaves. The project faced significant performance challenges, requiring powerful CPUs for real-time audio processing of multiple channels. While legal ramifications exist regarding unlicensed broadcasting, the Taylorator is an impressive feat of engineering with its source code publicly available.

(www.scd31.com)

Tech Taylor Swift

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