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Samsung Electronics Vice Chairman Han Jong-hee Passes Away

2025-03-25

Samsung Electronics Vice Chairman Han Jong-hee Passes Away

Samsung Electronics Vice Chairman Han Jong-hee passed away from a heart attack on Tuesday at the age of 63. Han held several key positions at Samsung, including head of the LCD TV Lab. In 2021, he was appointed vice chairman and co-CEO, overseeing the company's Device eXperience (DX) division, responsible for its electronics and consumer device businesses. His death is a significant loss for Samsung and the tech industry.

(www.koreaherald.com)

Tech Han Jong-hee

Modelica: Elegant Modeling of Complex Cyber-Physical Systems

2025-03-25

Modelica is a language for modeling cyber-physical systems, supporting acausal connection of components governed by mathematical equations for first-principles modeling. Its object-oriented structure facilitates model reuse and simplifies modeling complex systems with mechanical, electrical, electronic, magnetic, hydraulic, thermal, control, power, or process components. Learning resources include online guides, books, and the Modelica Standard Library, which offers coding conventions and numerous existing models for learning and practice. Using Modelica requires a tool implementing the language and access to model libraries.

(modelica.org)

Development Modeling Language System Simulation

Senators Eye Gutting Section 230: A Threat to Everyday Internet Users

2025-03-25

Senators Eye Gutting Section 230: A Threat to Everyday Internet Users

Several Senators are again attempting to dismantle Section 230, a crucial law protecting internet users. Contrary to claims that it only shields Big Tech, Section 230 provides limited liability for all platforms, disproportionately benefiting smaller ones and individual users. Repealing it would solidify Big Tech monopolies and harm individuals' ability to speak, organize, and create online. The law allows platforms to moderate content without facing publisher liability, incentivizing them to combat illegal activity and harmful content. Repeal would create the opposite effect, leading to a surge in harmful online material.

(www.eff.org)

Tech Section 230 online speech

Tech's Great Resignation: Flexibility or Bust

2025-03-25

Tech's Great Resignation: Flexibility or Bust

A survey of over 26,000 employees reveals that 40% of tech workers quit their jobs due to inflexible work arrangements regarding hours, location, and intensity. This contradicts the growing trend of companies mandating a return to the office and longer hours. While companies like Amazon, Meta, and Google push for in-person work, citing innovation, mentorship, and productivity, the survey highlights that remote work boosts team cohesion, and a significant majority of tech workers prioritize flexible working options. Ignoring these needs could lead to continued talent loss in the tech sector.

(www.theregister.com)

Tech employee attrition work flexibility

Newton's Method Gets a Modern Upgrade: A Faster, Broader Optimization Algorithm

2025-03-25

Newton's Method Gets a Modern Upgrade: A Faster, Broader Optimization Algorithm

Over 300 years ago, Isaac Newton developed an algorithm for finding the minimum values of functions. Now, Amir Ali Ahmadi of Princeton University and his students have improved this algorithm to efficiently handle a broader class of functions. This breakthrough uses higher-order derivatives and cleverly transforms the Taylor expansion into a convex sum-of-squares form, achieving faster convergence than traditional gradient descent. While currently computationally expensive, future advancements in computing could allow this algorithm to surpass gradient descent in fields like machine learning, becoming a powerful tool for optimization problems.

(www.quantamagazine.org)

AI optimization algorithm Newton's method

Reporter Accidentally Joins US National Security Council Signal Group: Major Security Breach Revealed

2025-03-25

Reporter Accidentally Joins US National Security Council Signal Group: Major Security Breach Revealed

The Atlantic's editor-in-chief, Jeffrey Goldberg, was inadvertently added to a Signal group chat containing discussions among US National Security Council members about a military strike on Houthi militias in Yemen. Goldberg received detailed information about the strike, even before it happened. The White House appeared unaware of the breach, with President Trump expressing shock at the news. This incident exposed a significant security vulnerability within the Trump administration, raising questions about the suitability of encrypted apps like Signal for sensitive government communications.

(www.theatlantic.com)

Tech security breach

Germany Rejects Taurus Cruise Missile Delivery to Ukraine

2025-03-25

The German parliament rejected a proposal to supply Ukraine with Taurus cruise missiles. The proposal urged the government to provide missiles, assist in integrating them into Ukrainian aircraft, train Ukrainian soldiers, remove obstacles to information sharing, replenish the Bundeswehr's equipment, increase industrial production capacity, and procure more missiles. The decision likely reflects concerns about escalating the conflict and the potential uses of the missiles.

(abstimmung.eu)

Tech Ukraine Taurus Cruise Missile

Generative AI Runs on a 20-Year-Old PowerBook G4?!

2025-03-25

Generative AI Runs on a 20-Year-Old PowerBook G4?!

A software engineer successfully ran Meta's Llama 2 large language model on a 2005 PowerBook G4. This vintage laptop, equipped with only a 1.5GHz PowerPC G4 processor and 1GB of RAM, achieved AI inference by porting the open-source llama2.c project and leveraging AltiVec vector extensions. It's a testament to ingenuity and the boundless possibilities of technology.

(www.macrumors.com)

Tech

Ant Group Cuts AI Training Costs by 20% Using Chinese Chips

2025-03-25

Ant Group Cuts AI Training Costs by 20% Using Chinese Chips

Ant Group, backed by Jack Ma, has developed AI model training techniques using domestically produced semiconductors from Alibaba and Huawei, achieving cost reductions of 20%. While still utilizing Nvidia chips, Ant primarily relies on AMD and Chinese alternatives for its latest models, mirroring similar results to Nvidia's H800. This highlights China's efforts to reduce reliance on high-end Nvidia chips. Ant's newly developed language models, Ling-Plus and Ling-Lite, even outperformed Meta's Llama in some benchmarks. These models, intended for healthcare and finance applications, signify a significant advancement in cost-effective AI development in China.

(au.finance.yahoo.com)

AI domestic chips cost reduction

MRubyD: A C#-based mruby VM for Seamless Game Engine Integration

2025-03-24

MRubyD: A C#-based mruby VM for Seamless Game Engine Integration

MRubyD is a new mruby virtual machine implemented in pure C#, designed for seamless integration with C#-based game engines. Leveraging modern C# features, it boasts high performance and extensibility, prioritizing Ruby API compatibility. Currently in preview, some features like built-in types and methods, as well as private/protected visibility, are under development. Install via `dotnet add package MRubyD` and explore its capabilities through the provided examples. It requires the native mruby compiler for compiling .rb source code into .mrb bytecode.

(github.com)

Development

ARC-AGI-2: The AGI Benchmark That's Easier for Humans, Harder for AI

2025-03-24

ARC-AGI-2: The AGI Benchmark That's Easier for Humans, Harder for AI

The ARC Prize 2025 competition returns with ARC-AGI-2, a significantly harder AGI benchmark for AI while remaining relatively easy for humans. Focusing on tasks simple for humans but difficult for AI, ARC-AGI-2 highlights capability gaps not addressed by simply scaling up existing models. With a $1 million prize pool, the competition encourages open-source innovation towards efficient, general AI systems, aiming to bridge the human-AI gap and achieve true AGI.

(arcprize.org)

AI

Flexible Authorization Library: RBAC, ABAC, and ReBAC Combined

2025-03-24

Flexible Authorization Library: RBAC, ABAC, and ReBAC Combined

A flexible authorization library combining role-based (RBAC), attribute-based (ABAC), and relationship-based (ReBAC) access control policies. It supports policy composition (AND, OR, NOT), detailed evaluation tracing, and a fluent builder API, with type safety and async support. Easily add multiple policies like RBAC and ABAC, and create custom policies using PolicyBuilder. Examples demonstrate RBAC, ReBAC, and policy combinators.

(github.com)

Development authorization

MIT Researchers Discover the Tipping Point of Pedestrian Flow

2025-03-24

MIT Researchers Discover the Tipping Point of Pedestrian Flow

MIT researchers have discovered a critical parameter determining the transition from ordered to disordered pedestrian flow: "angular spread." When pedestrians deviate from straight paths by more than 13 degrees, the crowd flow becomes chaotic and inefficient. This research, combining mathematical modeling and experiments, offers valuable insights for public space design, promoting safer and more efficient pedestrian traffic. The findings, validated through experiments tracking volunteers navigating a simulated crosswalk, provide a quantifiable metric for predicting lane formation and potential congestion.

(news.mit.edu)

Tech pedestrian dynamics crowd flow public space design

FaunaDB Shuts Down, Going Open Source After $27M in Funding

2025-03-24

FaunaDB Shuts Down, Going Open Source After $27M in Funding

FaunaDB, a database startup that raised $27 million in funding, announced it will shut down its service at the end of May, transitioning to an open-source model. The company, boasting 25,000 developers using its serverless database which combined relational power and document flexibility, cited the capital-intensive nature of scaling a global database service and the current market environment as reasons for the shutdown. Existing customers will be transitioned off the service over the coming months. The open-source release will include the core database technology, supporting JSON documents with relational features like joins, foreign keys, and schema enforcement, along with its FQL query language. Some observers suggest that an open-source approach from the beginning might have led to greater success.

(www.theregister.com)

Development

My Bosch Dishwasher Demands a Cloud Connection: A Lament

2025-03-24

The author bought a Bosch 500 series dishwasher, praising its easy installation. However, key features like delayed start and eco mode require a Home Connect app and Wi-Fi connection. This sparked a reflection on manufacturers' over-reliance on cloud control, potentially contributing to planned obsolescence and data harvesting. The author argues that appliances should prioritize local control, with cloud features as add-ons, not replacements for core functionality. This creates unnecessary obstacles and dependence on internet access for basic operations.

(www.jeffgeerling.com)

Hardware planned obsolescence

Intel Pentium: The FDIV Bug and the Rise of the Pentium Pro

2025-03-24

Intel Pentium: The FDIV Bug and the Rise of the Pentium Pro

By 1994, Intel's Pentium processor, based on the x86 architecture, dominated the PC market with a 75% share. However, a significant flaw, the FDIV bug, surfaced, causing inaccurate results in certain floating-point calculations. This led to a costly recall and replacement program. Despite this setback, the Pentium's success fueled Intel's growth. In 1995, Intel launched the groundbreaking Pentium Pro, featuring the innovative P6 architecture. Outperforming competitors, the Pentium Pro successfully penetrated the workstation and server markets, laying the foundation for Intel's future dominance.

(www.abortretry.fail)

Tech

OpenAI Pleads with Trump: Loosen Copyright Restrictions or the US Loses the AI Race

2025-03-24

OpenAI Pleads with Trump: Loosen Copyright Restrictions or the US Loses the AI Race

OpenAI warns that the US will lose the AI race to China if it can't access copyrighted material for AI training. They're urging the Trump administration to create more lenient "fair use" rules, allowing AI models to utilize copyrighted data for training. OpenAI argues that China's rapid AI advancements, coupled with restrictive US data access for AI models, will result in American defeat. This move has sparked outrage from copyright holders and publishers, who fear unauthorized use of their works for AI training and increased plagiarism. OpenAI counters that using copyrighted data is crucial for developing more powerful AI, vital for US national security and competitiveness.

(futurism.com)

Tech

Planet's Daily Global Aircraft Detection from Satellite Imagery

2025-03-24

Planet has developed a daily global aircraft detection analytic feed using PlanetScope and SkySat imagery combined with machine learning. The system identifies aircraft ≥25 meters in length or wingspan, leveraging high-resolution SkySat imagery for improved accuracy. This technology offers valuable insights for defense, intelligence, and commercial sectors, enabling analysis of global air traffic patterns, economic trend prediction, and anomaly detection.

(www.planet.com)

Tech Satellite Imagery Aircraft Detection

GM Forces Dealer to Halt Aftermarket CarPlay/Android Auto Kit for Ultium EVs

2025-03-24

GM Forces Dealer to Halt Aftermarket CarPlay/Android Auto Kit for Ultium EVs

General Motors (GM) forced a dealer to discontinue an aftermarket kit that restored Apple CarPlay and Android Auto phone mirroring in its Ultium electric vehicles. This follows GM's decision in December 2023 to remove CarPlay and Android Auto support from Ultium EVs, opting for its own in-vehicle infotainment systems in future models. While the kit's manufacturer, WAMS, claims rigorous testing, GM's action sparked industry criticism, as a study showed nearly half of car buyers wouldn't purchase vehicles lacking CarPlay or Android Auto. GM is effectively pushing dealers towards its built-in systems, leaving little alternative.

(news.dealershipguy.com)

Tech

Critical Vulnerability in Kubernetes Ingress-Nginx: Arbitrary Code Execution

2025-03-24

Multiple critical vulnerabilities have been discovered in Kubernetes Ingress-Nginx, the most severe (CVE-2025-1974) with a CVSS score of 9.8, allowing for arbitrary code execution and potential cluster-wide Secret leakage. All versions prior to v1.11.5 and v1.12.1 are affected. Immediate upgrade to the latest version or temporary disabling of the Validating Admission Controller is strongly recommended.

(groups.google.com)

Development

Remote Radioactive Material Detection: A 10-Meter Breakthrough

2025-03-24

Remote Radioactive Material Detection: A 10-Meter Breakthrough

Researchers at the University of Maryland have developed a novel method for remotely detecting radioactive materials using short-pulse CO2 lasers, achieving detection at a distance of 10 meters—over ten times farther than previous methods. The technique leverages the ionization of surrounding air by radioactive materials. By accelerating these ions with a laser, a cascade of ionization creates microplasmas that scatter laser light, enabling remote detection. This technology holds promise for nuclear disaster response and nuclear security, but challenges remain, including the size of the laser system and environmental noise.

(physicsworld.com)

Tech radioactive material detection

The Programmer's Pastoral Dream: Escaping Code, Embracing the Soil?

2025-03-24

Many programmers dream of putting down their keyboards and taking up manual labor, such as carpentry or farming. This article explores the reasons behind this phenomenon, suggesting it stems from burnout in modern software work practices and a re-examination of the "self-made man" ideal in American culture. The author, drawing on personal experience, analyzes the complexities of this longing, acknowledging both the romantic idealization of rural life and its harsh realities. Ultimately, the author argues that finding meaning in work lies not solely in economic output but also in community building and a spirit of service.

(tjmorley.com)

Development programmers rural life

Half-Life and Steam's DRM Journey: It Started with a Nephew's CD Burner

2025-03-24

Half-Life and Steam's DRM Journey: It Started with a Nephew's CD Burner

In 1998, Valve co-founder Monica Harrington's nephew used money intended for school supplies to buy a CD burner, then copied and shared games, prompting her to realize the threat of game piracy enabled by this technology. This led Valve to implement a simple CD key verification system in Half-Life. While initially met with complaints, it effectively combated piracy and laid the groundwork for the eventual rise of Steam as a dominant DRM platform.

(arstechnica.com)

Game

The Prospero Challenge: Rendering Implicit Surfaces with Extreme Performance

2025-03-24

The Prospero Challenge: Rendering Implicit Surfaces with Extreme Performance

The Prospero Challenge invites developers to render an implicit surface defined by 7866 mathematical expressions as quickly as possible. Participants explore various optimization techniques, including expression pre-parsing, Numba acceleration, GPU computation, and LLVM compilation, using tools like Python, Numpy, CUDA, and JIT compilers. Solutions have achieved millisecond rendering times and significantly reduced memory consumption. The challenge encourages experimentation and the sharing of results to advance the state of the art in implicit surface rendering.

(www.mattkeeter.com)

Development implicit surface

Building an Idempotent Email API with River

2025-03-24

This article demonstrates building an idempotent-safe email API using River. Many email services lack APIs guaranteeing idempotency, leading to duplicate or missing emails. By leveraging River's features and combining unique account IDs with idempotency keys, the author achieves idempotent email sending. Even with network errors causing retries, the email is guaranteed to be sent only once. The article details the implementation, covering job argument definition, worker creation, handling duplicate requests, and parameter matching safety. The resulting API is concise, efficient, and production-ready, avoiding many common email sending pitfalls.

(riverqueue.com)

Development idempotency email API

Peano Axioms: An Elegant Approach to Defining Natural Numbers

2025-03-24

Peano Axioms: An Elegant Approach to Defining Natural Numbers

This article delves into the Peano axioms, a system that rigorously defines natural numbers through nine axioms. Starting with intuitive understanding, it builds a formal axiomatic definition, covering the properties of equality, the existence of 0, the successor function, and mathematical induction. Each axiom's significance and role are explained in detail, including discussions of different forms of mathematical induction. The article culminates in demonstrating how the Peano axioms uniquely determine the set of natural numbers, laying a solid foundation for subsequent mathematical reasoning.

(principlesofcryptography.com)

Misc mathematical logic axiomatic system

Qwen2.5-VL-32B: A 32B Parameter Visual-Language Model That's More Human-Friendly

2025-03-24

Qwen2.5-VL-32B: A 32B Parameter Visual-Language Model That's More Human-Friendly

Following the widespread acclaim of the Qwen2.5-VL series, we've open-sourced the new 32-billion parameter visual-language model, Qwen2.5-VL-32B-Instruct. This model boasts significant improvements in mathematical reasoning, fine-grained image understanding, and alignment with human preferences. Benchmarking reveals its superiority over comparable models in multimodal tasks (like MMMU, MMMU-Pro, and MathVista), even outperforming the larger 72-billion parameter Qwen2-VL-72B-Instruct. It also achieves top-tier performance in pure text capabilities at its scale.

(qwenlm.github.io)

AI visual language model

Pentagon Axes $280M AI Project, Prioritizes 'Lethal' AI Over 'Equitable' AI

2025-03-24

Pentagon Axes $280M AI Project, Prioritizes 'Lethal' AI Over 'Equitable' AI

The Pentagon has canceled its troubled Defense Civilian Human Resources Management System (DCHRMS) project, which ran eight years over budget at $280 million. Along with DCHRMS, over $360 million in grants focused on DEI, climate change, and social programs were also cut. Secretary of Defense Pete Hegseth explained that the department needs "lethal" AI, not "equitable" AI, and will replan the HR system modernization. This is part of the Pentagon's Department of Government Efficiency initiative to eliminate wasteful spending.

(www.theregister.com)

Tech Defense Budget AI Project Defense budget

600 Million Years of Shared Stress Response in Algae and Plants

2025-03-24

600 Million Years of Shared Stress Response in Algae and Plants

A University of Göttingen-led study reveals a surprising shared stress response network between algae and plants dating back 600 million years. Researchers compared gene expression and compound production in moss and two types of algae under environmental stress, identifying a common gene regulatory network. This discovery sheds light on key mechanisms of plant adaptation to land and offers new insights into plant evolution.

(phys.org)

Tech plant evolution environmental stress gene regulation

Google Maps Timeline Data Lost: Technical Glitch Leaves Users with No Recovery Options

2025-03-24

Google Maps Timeline Data Lost: Technical Glitch Leaves Users with No Recovery Options

A technical issue with Google Maps has resulted in the loss of Timeline data for numerous users. Google recently transitioned Timeline data storage from the cloud to local devices to improve privacy. However, a technical glitch during this transition led to the accidental deletion of location history for many. Google has confirmed the issue; only users who proactively created encrypted cloud backups can recover their data.

(arstechnica.com)

Tech Data Loss

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