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Deep-Sea Telescope Detects Highest-Energy Neutrino Ever Recorded

2025-02-13
Deep-Sea Telescope Detects Highest-Energy Neutrino Ever Recorded

The KM3NeT detector, located deep in the Mediterranean Sea, has detected a neutrino with an unprecedented energy of approximately 220 PeV, the highest ever recorded. This event, designated KM3-230213A, provides the first evidence of such high-energy neutrinos originating from cosmic sources. The discovery marks a new chapter in neutrino astronomy and offers a novel observational window into the universe. KM3NeT uses seawater as the interaction medium and detects neutrinos by observing Cherenkov radiation. The detector's final configuration will encompass over one cubic kilometer.

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(phys.org)
Tech

macOS 15.2 Update Breaks System Replication: Users Face Data Backup Nightmare

2024-12-14

A critical bug in macOS 15.2 has broken the system replication feature, causing data backups to fail with a 'Resource Busy' error, specifically when attempting to copy Preboot or Recovery partitions. Developer Dave Nanian explains that the problem stems from Apple's own code and currently has no easy fix. Users are forced to rely on third-party backup solutions, utilizing a 'Backup - all files' method with a Smart Update to restore their data after a clean system install. This issue is causing significant user frustration, particularly as the holiday season approaches.

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(www.shirtpocket.com)
Development system failure data backup

eBPF Performance Boost: Unveiling the Trampoline Mechanism

2025-08-11

This blog post delves into the eBPF trampoline mechanism, a key performance optimization. With eBPF's increasing use in system monitoring and other areas, efficient program execution is critical. The trampoline avoids the overhead of exception handling in traditional kprobe methods by directly calling eBPF programs. The article details the trampoline's inner workings, covering advanced use cases like handling function entry and exit points, multi-argument passing, and implementation optimizations on ARM64.

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(bootlin.com)
Development trampoline

Privacy-Focused Orion Browser Coming to Linux

2025-03-08
Privacy-Focused Orion Browser Coming to Linux

Kagi, the company behind the paid, privacy-focused search engine, announced that its WebKit-based Orion browser is coming to Linux. Orion, known for its speed, low memory usage, and privacy features, is currently available on macOS and iOS and supports Chrome and Firefox extensions. While currently closed-source, Kagi is gradually open-sourcing components and aims for feature parity with the macOS version on Linux by next year. This is good news for Linux users, offering them another powerful browser choice.

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(www.omgubuntu.co.uk)
Development

US Fusion Firm Eyes Japan Deployment in the 2030s

2025-09-07
US Fusion Firm Eyes Japan Deployment in the 2030s

Commonwealth Fusion Systems, a US-based nuclear fusion developer, aims to deploy a reactor in Japan in the late 2030s or early 2040s, aligning with Japan's broader plans for this low-carbon energy source. The company, which recently secured $863 million in funding, is collaborating with a consortium of 12 Japanese companies, including Mitsui & Co. and Mitsubishi Corp., to facilitate technology transfer and knowledge sharing. Commonwealth is also developing a 400-megawatt commercial power plant in Virginia, targeting operation in the early 2030s, with Google committed to purchasing half its output.

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(www.japantimes.co.jp)
Tech

$800 Emotional Support Robot for Kids Bricked, No Refunds

2024-12-12
$800 Emotional Support Robot for Kids Bricked, No Refunds

Embodied, the maker of the $800 Moxie robot for kids, is shutting down, leaving thousands of children without their robotic companions. The company blamed a failed funding round for its closure, and announced that Moxie's cloud connectivity will be severed, rendering the robots inoperable. While Embodied expressed some willingness to refund recent purchases, they offer no guarantees, leaving many parents facing significant financial losses alongside their children's emotional distress. This incident highlights concerns about the lack of long-term support for smart devices and the potential for significant consumer disappointment.

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(arstechnica.com)
Tech robot children refund

RoboPianist: Mastering the Piano with Deep Reinforcement Learning

2025-02-27

Researchers trained anthropomorphic robot hands to play the piano using deep reinforcement learning. They built a simulated environment using MuJoCo, featuring an 88-key digital keyboard and two Shadow Dexterous Hands, each with 24 degrees of freedom. MIDI files were converted into time-indexed note trajectories, serving as the goal representation for the reinforcement learning agent. To address the exploration challenge in the high-dimensional action space, human priors in the form of fingering labels were incorporated into the reward function. A state-of-the-art model-free RL algorithm, DroQ, was used to train the agent, resulting in successful piano performances across various pieces, achieving impressive F1 scores on the Etude-12 subset. The research also releases a simulated benchmark and dataset to advance high-dimensional control.

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(kzakka.com)
AI Deep Reinforcement Learning

My Linkblogging Workflow: 7,607 Posts and Counting

2025-01-06
My Linkblogging Workflow: 7,607 Posts and Counting

Simon Willison shares his approach to running a successful link blog spanning over two decades. He details his methods for curating and presenting links, emphasizing the value of adding insightful commentary, giving proper credit to creators, and using technology (Django, Markdown, Claude) to enhance the experience. He argues link blogging is a low-effort, high-reward way to contribute meaningfully to online discourse and encourages others to adopt the practice.

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(simonwillison.net)
Development linkblogging blogging content creation

Columbia Student Suspended for Leaking Disciplinary Hearing, Not AI Cheating Tool

2025-03-27
Columbia Student Suspended for Leaking Disciplinary Hearing, Not AI Cheating Tool

Columbia University suspended a student for leaking a disciplinary hearing recording and photos of Columbia staff to social media, not for creating an AI tool that helps job candidates cheat on technical interviews. The student, Chungin "Roy" Lee, created Interview Coder, an AI tool that sells for $60 a month and projects $2 million in annual revenue. While Lee argued that technical interviews are outside the university's purview, Columbia deemed his actions academic dishonesty, resulting in a one-year suspension. Lee plans to move to San Francisco.

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(www.businessinsider.com)
Development Academic Dishonesty

Meta's Interoperability Proposal: Why XMPP is the Real Solution

2025-03-29
Meta's Interoperability Proposal: Why XMPP is the Real Solution

Designated a gatekeeper under the EU's Digital Markets Act (DMA), Meta must ensure interoperability between WhatsApp and Messenger. However, Meta's proposed solution, relying on restrictive NDAs, proprietary APIs, and centralized control, falls short of true interoperability. The article argues that the established open standard XMPP offers a superior alternative, enabling seamless federation, decentralized control, enhanced privacy, and scalability. The author urges Meta to adopt XMPP to create a truly open and competitive messaging ecosystem.

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(xmpp.org)
Tech Interoperability

One in Five Online Job Postings Are Fake or Unfilled: A 'Ghost Job' Epidemic

2025-01-14
One in Five Online Job Postings Are Fake or Unfilled: A 'Ghost Job' Epidemic

A new study reveals that a shocking one in five online job postings are either fake or never actually filled, leaving job seekers frustrated and wasting precious time. This 'ghost job' phenomenon, driven by companies potentially using inflated numbers to meet targets, is causing significant problems. To combat this, platforms like Greenhouse and LinkedIn are implementing job verification services to help identify legitimate opportunities amidst the deceptive postings.

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(gizmodo.com)
Misc fake jobs ghost jobs

Lit: Build Lightweight, Blazing-Fast Web Components

2025-09-03
Lit: Build Lightweight, Blazing-Fast Web Components

Lit is a lightweight library for building web components, based on web component standards. Weighing in at around 5KB, it provides reactivity, declarative templates, and a streamlined developer experience. It renders blazing fast by only updating dynamic parts of the UI, ensuring compatibility with any framework. Lit components are standard custom elements, supporting scoped styles and reactive properties, simplifying the creation of shareable components, design systems, and future-proof applications.

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(lit.dev)
Development

Building a Phonetic Arabic Keyboard: A Journey of Challenges and Clever Solutions

2025-09-06

This post details the author's journey in creating a phonetic Arabic keyboard. Challenges arose from Arabic's right-to-left writing system and cursive script. UTF-8 and Zero-Width Joiners helped overcome some hurdles. The author ingeniously mapped the 28 Arabic letters, plus Hamza and diacritics, to English keys, addressing similar-sounding letters and unique characters. The resulting web component is open-source, complete with code and instructions for easy integration.

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(sherifelmetwally.com)
Development Arabic Phonetic Keyboard

Java 8 Collection Utilities: A RingBuffer Implementation

2025-02-05
Java 8 Collection Utilities: A RingBuffer Implementation

j8cu is a Java 8 collection utility library featuring a high-performance RingBuffer implementation. This RingBuffer supports ordered and unordered read modes; the ordered mode is FIFO, ideal for maintaining a buffer of the most recent N objects. Additional features include event listeners, bulk copying, and clearing/resetting capabilities, simplifying RingBuffer usage in Java 8.

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(github.com)
Development RingBuffer Collection Utilities

Evolution of the Micro Journal: A Distraction-Free Writing Device

2025-02-24
Evolution of the Micro Journal: A Distraction-Free Writing Device

Un Kyu Lee's Micro Journal is a fascinating evolution of distraction-free writing devices. Starting with a Raspberry Pi and a mechanical keyboard, the project iterated through several versions, each addressing different needs and design challenges. From the foldable Rev.2.ReVamp to the Cherry MX hot-swappable Rev.6, each Micro Journal iteration improves on portability, customization, and the overall writing experience. Rev.7 offers a traditional keyboard layout, while Rev.5 allows connection to a wide range of mechanical keyboards. The story showcases the maker spirit and a relentless pursuit of the perfect writing experience, attracting significant media attention along the way.

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(github.com)
Hardware mechanical keyboard writing device

The Apathy Epidemic: Why Doesn't Anyone Care Anymore?

2025-01-15
The Apathy Epidemic: Why Doesn't Anyone Care Anymore?

This rant explores the pervasive apathy in modern society. From malfunctioning software and poorly designed public infrastructure to everyday inconsiderateness, the author argues that a lack of care is rampant. While not necessarily malicious, this indifference stems from a failure to exert even minimal effort to improve things. The author laments this state of affairs and yearns for a community where caring is the norm, reflecting on their own attempts to inspire positive change and the challenges of living among those who seem unconcerned.

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(grantslatton.com)
Misc apathy

arXivLabs: Experimenting with Community Collaboration

2025-02-13
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and partners only with those who share them. Have an idea to improve the arXiv community? Learn more about arXivLabs.

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(arxiv.org)
Development

Substack Requires JavaScript

2025-01-24
Substack Requires JavaScript

The Substack website displays a message indicating that JavaScript must be enabled for the site to function correctly. This is a common website message reminding users to ensure their browser has JavaScript enabled; otherwise, the website will not load or function properly.

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(substack.com)
Misc Website Error

The High Cost of On-Call: How Tech Companies Exploit Their Engineers

2025-03-27
The High Cost of On-Call: How Tech Companies Exploit Their Engineers

This article examines the pervasive and detrimental effects of on-call engineer rotations in tech companies. Using the experience of an engineer named Alex as a case study, it highlights the immense stress and burnout associated with on-call duties, including constant availability, sleep deprivation, blurred work-life boundaries, and the lack of adequate compensation. The article critiques the prevailing culture that normalizes the exploitation inherent in such systems, urging companies to reconsider their on-call policies and provide fair compensation and protection for their engineers' well-being.

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(www.scottsmitelli.com)
Development Work-Life Balance

Algorithmic Complacency: How Social Media Controls Your Mind

2025-03-08
Algorithmic Complacency: How Social Media Controls Your Mind

Social media platforms, through algorithmic recommendations, have gradually taken control of how we access information, trapping us in filter bubbles. Initially designed to connect friends and provide convenience, they have become tools for corporations to manipulate our thoughts. To increase user engagement and advertising revenue, platforms use algorithms to push an endless stream of content, amplifying negative emotions and extreme viewpoints, leading to user isolation and the reinforcement of biased opinions. The author urges users to proactively break free from algorithmic filter bubbles, obtain information from the source, choose controllable platforms and features, avoid algorithmic traps, and engage in discussions with others to restore their ability to think independently.

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(usher.dev)
Tech filter bubble

FOSDEM '25 Protest: Targeting Jack Dorsey and Block, Inc.

2025-01-20

A blogger is organizing a protest at FOSDEM '25 against Jack Dorsey and his company, Block, Inc., for their participation in the conference. The protesters argue that Dorsey's role in Twitter's sale and Block, Inc.'s business practices threaten the values of the open-source community. They plan a peaceful occupation of Dorsey's speaking slot on February 2nd to prevent his talk, emphasizing that the protest is not against FOSDEM itself. The aim is to improve FOSDEM's transparency and inclusivity, advocating for a more open decision-making process.

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(drewdevault.com)
Misc Protest

EU Forces Apple to Open iOS: A Battle Over Interoperability and Innovation

2025-03-20
EU Forces Apple to Open iOS: A Battle Over Interoperability and Innovation

The EU, citing the Digital Markets Act (DMA), is forcing Apple to open nine iOS connectivity features to boost interoperability and break Apple's closed ecosystem. Apple counters that this is anti-innovative, harms user privacy and security, and restricts its innovation in Europe. Smaller companies support the EU's decision, arguing that Apple's actions stifle competition, leading to higher prices and reduced innovation. The core of this debate is how to balance the innovative drive of large tech companies with the need to foster market competition.

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(techcrunch.com)
Tech

Waymo's First International Road Trip: Tokyo Bound

2024-12-17
Waymo's First International Road Trip: Tokyo Bound

Waymo is bringing its autonomous vehicles to Tokyo in early 2025, partnering with Nihon Kotsu and GO. This marks Waymo's first international expansion, challenging its self-driving system with left-hand traffic and Tokyo's dense urban environment. The company will collaborate with local partners and officials to understand the local landscape and ensure safe implementation. This aligns with Japan's vision for future transportation, and Waymo will work closely with regulators to meet safety standards. Initially, Nihon Kotsu drivers will manually operate the vehicles to map key areas of Tokyo.

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(waymo.com)
AI autonomous driving international expansion

Looking Backward: A Utopian Novel Reflecting American Social Contradictions

2024-12-21
Looking Backward: A Utopian Novel Reflecting American Social Contradictions

Edward Bellamy's 1888 bestseller, *Looking Backward, 2000-1887*, depicted a utopian America in the year 2000, free from poverty and social unrest. The protagonist time-travels to experience this society where the state controls resources and equality reigns. However, the novel is not merely idealistic; it reflects the stark inequalities, worker exploitation, and political corruption of late 19th-century America. Bellamy offered a solution to these problems, albeit one that appears naive and utopian today. Despite its dated aspects, the novel's exploration of social conflict and the pursuit of justice remains relevant.

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(www.laphamsquarterly.org)
Misc Utopia Social Inequality American History

Midnight Commander: A Powerful Dual-Pane File Manager

2025-09-17

GNU Midnight Commander (mc) is a powerful, free, open-source, dual-pane file manager with a text-based interface. It lets you copy, move, delete files and directories, search for files, and even execute commands in a built-in subshell. mc supports various text interface libraries, allowing it to run in various environments, including regular consoles, X Window terminals, and over SSH connections. The easiest way to install mc is through your system's package manager. Comprehensive documentation and context-sensitive help (F1) are available.

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(midnight-commander.org)
Development

The Ephemeral Web: Preserving Your Digital Legacy

2025-02-25
The Ephemeral Web: Preserving Your Digital Legacy

Online content is fleeting. This article highlights the importance of preserving digital information and advocates for using plain text Markdown files as a robust solution. Markdown's readability, cross-platform compatibility, and long-term accessibility are key advantages. The author shares personal strategies, including using Obsidian for note-taking, static site generators for blogging, and automated Python scripts for content conversion. Regular backups and data downloads are emphasized, alongside a call for better social media data export tools.

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(p.migdal.pl)
Misc

MIT Rocket Team Recovers Data from Crashed Rocket

2024-12-18

In Spring 2020, the MIT Rocket team launched rockets at the FAR site in the Mojave desert. A second-stage rocket crashed without deploying its parachutes, burying itself 3 meters underground. Despite significant damage to the avionics, the team successfully recovered data from a damaged flash chip. Using a salt solution to create temporary electrical contact, they were able to read the flash memory and determine the cause of the crash.

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(dontvacuum.me)
Tech rocket crash data recovery flash chip

Air Pollution: The Silent Brain Thief

2025-09-15
Air Pollution: The Silent Brain Thief

While the detrimental effects of air pollution on lung and heart health have long been known, recent research highlights its significant impact on brain health. Studies show that air pollutants, such as PM2.5, can lead to abnormal fetal brain development and increase the risk of neurodevelopmental disorders like autism, ADHD, and schizophrenia, as well as neurodegenerative diseases such as Parkinson's and Alzheimer's. Air pollutants affect brain structure and function through mechanisms like inflammation, mitochondrial dysfunction, and glutamate dysregulation. While complete avoidance is difficult, reducing exposure, such as minimizing ventilation during poor air quality and using air purifiers, can mitigate risks.

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(neurofrontiers.blog)
Tech neurological disorders
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