Nobel Laureate Explains: Why We Die

2025-04-17
Nobel Laureate Explains: Why We Die

Venkatraman Ramakrishnan, 2009 Nobel laureate in Chemistry, delves into the mechanisms of aging and death in his new book, Why We Die. He reveals that death isn't genetically programmed but a consequence of evolution's focus on efficient gene transmission. Lifespan isn't simply accumulated cellular wear and tear, but a balance between resource allocation for maintaining bodily functions and repair versus growth, reproduction, and nurturing offspring. Ramakrishnan shared his findings at the Milan Longevity Summit, challenging conventional understanding of death and aging.

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Tech

Locality of Behavior: A Principle for More Maintainable Code

2025-07-03

This article introduces the principle of Locality of Behavior (LoB), which emphasizes that the behavior of a code unit should be readily apparent within that unit itself. The author uses examples of AJAX requests in htmx and jQuery to illustrate how LoB improves code maintainability. While LoB may conflict with principles like DRY (Don't Repeat Yourself) and SoC (Separation of Concerns), the author argues that judiciously prioritizing LoB enhances code readability and maintainability, ultimately leading to higher software quality and sustainability.

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Development design principles

LLM Plugin: Summarize Hacker News Threads with Ease

2025-04-08
LLM Plugin: Summarize Hacker News Threads with Ease

A new LLM plugin, `llm-hacker-news`, lets you easily summarize Hacker News conversation threads. Simply install the plugin and use the command `llm -f hn:ID 'your instruction'` (e.g., `llm -f hn:43615912 'summary with illustrative direct quotes'`) to get a summary of the thread with the specified ID (found in the thread's URL). Installation and local setup instructions are provided in the README.

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Development

Willy Wonka's Trade Secrets: A Legal Fantasy?

2025-05-22
Willy Wonka's Trade Secrets: A Legal Fantasy?

This paper uses Roald Dahl's "Charlie and the Chocolate Factory" as a springboard to discuss the importance of trade secrecy in the candy industry and its relationship with patent law. The article points out that the extreme secrecy surrounding the factory's processes in the novel is not fictional, but reflects a widespread reality in the real-world confectionery industry. By analyzing this, the author raises fundamental questions about the legal protection of misappropriated secrets, especially when secrecy is paramount, and the relationship between trade secrecy and patent law.

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arXivLabs: Experimental Projects with Community Collaborators

2025-05-15
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework that enables collaborators to develop and share new arXiv features directly on the website. Individuals and organizations participating in arXivLabs embrace openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who share them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

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Development

Pocket Casts' Ad Bug Angers Lifetime Subscribers

2025-09-25
Pocket Casts' Ad Bug Angers Lifetime Subscribers

Podcast app Pocket Casts is facing backlash after showing ads to legacy users who paid for ad-free lifetime access. Originally a one-time purchase app (2010), it switched to a subscription model in 2019. While Automattic, the parent company, promised ad-free access to early payers under the 'Pocket Casts Champion' program, some users are now seeing ads. Automattic CEO Matt Mullenweg attributed this to a bug and stated that all paid users shouldn't see ads. The incident highlights challenges in maintaining 'lifetime' promises during business model shifts. Only a few thousand users are affected.

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Is Your Smartphone Really Listening? The Truth Is Far More Complex

2025-04-26
Is Your Smartphone Really Listening? The Truth Is Far More Complex

A long-standing conspiracy theory claims smartphones constantly eavesdrop on private conversations. While the 2024 revelation of Cox Media Group's "Active Listening" system fueled this, it only used snippets of voice data uploaded after activating voice assistants, not 24/7 monitoring. Companies like Facebook leverage massive datasets and sophisticated algorithms to predict user needs and deliver targeted ads – a process far more complex and unsettling than simple eavesdropping. Studies show phones don't constantly monitor microphones, but the data collected through other means is still deeply concerning.

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Tech

Apple's New AI Breakthrough: Fine-Grained Control of Generative Models with Activation Transport (AcT)

2025-04-10
Apple's New AI Breakthrough: Fine-Grained Control of Generative Models with Activation Transport (AcT)

Apple machine learning researchers have developed Activation Transport (AcT), a novel technique offering fine-grained control over large generative models, including LLMs and text-to-image diffusion models, without the resource-intensive training of RLHF or fine-tuning. AcT steers model activations using optimal transport theory, achieving modality-agnostic control with minimal computational overhead. Experiments demonstrate significant improvements in toxicity mitigation, truthfulness induction in LLMs, and stylistic control in image generation. AcT paves the way for safer and more reliable generative models.

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Meta and Yandex Accused of Covertly Tracking Android Users' Browsing Data

2025-06-04
Meta and Yandex Accused of Covertly Tracking Android Users' Browsing Data

Researchers from Radboud University and IMDEA Networks have revealed that Meta and Yandex apps are secretly tracking Android users' browsing activity in the background, even in incognito mode. This covert data collection, bypassing Android's security measures, allows them to access websites visited and app usage, raising serious privacy concerns. Meta stated it's investigating and has paused the feature, while Yandex denies collecting sensitive data. Google confirmed the activity, stating Meta and Yandex misused Android capabilities, violating their security and privacy principles. The incident highlights ethical concerns surrounding data collection by large tech companies.

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Tech

Multimodal AI Image Generation: A Visual Revolution Begins

2025-04-08
Multimodal AI Image Generation: A Visual Revolution Begins

Google and OpenAI's recent release of multimodal image generation capabilities marks a revolution in AI image generation. Unlike previous methods that sent text prompts to separate image generation tools, multimodal models directly control the image creation process, building images token by token, much like LLMs generate text. This allows AI to generate more precise and impressive images, and iterate based on user feedback. The article showcases the powerful capabilities of multimodal models through various examples, such as generating infographics, modifying image details, and even creating virtual product advertisements. However, it also highlights challenges, including copyright and ethical concerns, as well as potential misuse like deepfakes. Ultimately, the author believes multimodal AI will profoundly change the landscape of visual creation, and we need to carefully consider how to guide this transformation to ensure its healthy development.

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Figma Slides: A Presentation Disaster

2025-06-01
Figma Slides: A Presentation Disaster

The author attempted to use Figma Slides for a presentation, initially impressed by its powerful grid view, auto layout, and components. However, the actual presentation was a disaster: offline mode malfunctioned, animations were buggy, and repeated clicks were needed to advance slides. In stark contrast, the author's long-time use of Keynote, while simpler, proved consistently reliable. The experience ultimately underscored the value of dependable, if less flashy, technology.

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Development Presentation Software

From Online Extremist Philosophy to Real-World Terror: Efilism and the Palm Springs Bombing

2025-05-18
From Online Extremist Philosophy to Real-World Terror: Efilism and the Palm Springs Bombing

This article examines the Palm Springs fertility clinic bombing, where the perpetrator, Guy Edward Bartkus, was influenced by the extremist philosophy of Efilism. Efilism posits that all life is suffering and should be ended. The article traces Efilism's online origins, from Benatar's antinatalism to Mosher's Efilism, and its connection to Sandy Hook shooter Adam Lanza. Bartkus's actions weren't solely driven by ideology; his friend's suicide deeply impacted him, and Efilism served more as a vocabulary for his despair. The article explores the spread of online extremist ideologies and the complex causes of individual extremism, prompting reflection on the responsibilities of online platforms.

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The Dot-Com Bubble: A 20-Year Retrospective

2025-03-16
The Dot-Com Bubble: A 20-Year Retrospective

March 10, 2000 marked the peak of the dot-com bubble, with the NASDAQ hitting 5048.62 before a dramatic crash. Investors were frenzied, chasing the next Microsoft, often ignoring profitability. While companies like Amazon and Google eventually thrived, their success wasn't guaranteed in 2000. The burst led to widespread failures, impacting the tech industry deeply. Recovery was slow, with the NASDAQ only surpassing its 2000 peak in 2015, serving as a cautionary tale in tech history.

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Meta Tightens Performance Reviews, Signaling More Layoffs

2025-05-21
Meta Tightens Performance Reviews, Signaling More Layoffs

Meta is raising the bar on performance reviews, increasing the percentage of employees categorized as 'below expectations' to 15-20% for mid-year evaluations, up from 12-15% last year. This follows the company's earlier layoff of nearly 4,000 employees and reflects a broader trend in tech toward stricter performance management. The move includes employees who have already left and allows for performance-based terminations. Meta's actions underscore its focus on streamlining operations and cost reduction, mirroring similar efforts at other tech giants like Microsoft and Google.

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Datalog Engine in miniKanren and WebAssembly

2025-06-15

This article details a Datalog engine built using Scheme and the miniKanren library, running in the browser via WebAssembly. The engine implements core Datalog features: fact assertion, rule definition, and fixpoint iteration. The author thoroughly explains the implementation details of data structures, indexing mechanisms, and rule application, providing a graph traversal example. This project demonstrates the potential of functional and logical programming techniques for building efficient database systems, leveraging WebAssembly for cross-platform execution.

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Development

After a Brain Aneurysm, My Inner Monologue Vanished

2025-04-17
After a Brain Aneurysm, My Inner Monologue Vanished

A mishap after a karaoke performance led to the author's brain aneurysm rupturing and bleeding. Upon waking, she discovered she'd lost her ability to read and developed aphasia. Surprisingly, however, she felt no pain or anxiety, instead entering a state of serenity she calls "the Quiet." This "Quiet" wasn't simply silence but a new way of perceiving the world; her perception of her surroundings sharpened, yet lacked specific categories and dimensions. With the help of a speech therapist, she gradually regained her language abilities, but also realized this experience transformed her understanding of herself and the world.

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Write and Transaction Support in SQLite Virtual Tables

2025-04-17

This post delves into the implementation details of write and transaction support in SQLite virtual tables. By implementing hooks like xUpdate, xBegin, xSync, xCommit, and xRollback, virtual tables can support write operations and ensure transactional integrity. The article explains how SQLite's rollback journal and super-journal mechanisms coordinate atomic commits in both single and multi-database scenarios, and how virtual tables participate in this two-phase commit protocol. The author emphasizes that durability must be handled in xSync, while xCommit and xRollback should only perform idempotent cleanup operations, avoiding any operations that could fail.

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Go Iterators: A Tale of Purity and Impurity

2025-05-31

Go 1.23 standardized iterators, powerful functions that can be closures. However, the official documentation's classification of iterators is ambiguous. The author proposes a clearer distinction between 'pure' and 'impure' iterators: 'pure' iterators restart each time, while 'impure' iterators may retain state. The article explores various iterator types and the trade-offs between performance and consistency, concluding that Go's iterator landscape is still evolving, with conventions and terminology needing further refinement.

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Development

Post-Startup Blues: Four Paths Forward After a Failed Venture

2025-06-04

A co-founder reflects on the successes and failures of their startup, Cord, after four years and two near-acquisition attempts. Despite a strong engineering team and impressive technology, Cord faltered due to shortcomings in go-to-market strategy and sales. Now facing uncertainty, the author weighs four options: founding another startup, joining an early-stage company, returning to big tech, or bootstrapping a solo project. Each path presents unique advantages and challenges, leaving the future unwritten.

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(jg.gg)
Startup

Hainan Island Pilots Global Internet Access, Bypassing the Great Firewall

2025-06-05
Hainan Island Pilots Global Internet Access, Bypassing the Great Firewall

China's Hainan province is piloting a program granting select corporate users broad access to the global internet, a rare move given China's strict online censorship. This initiative aims to attract international businesses as Hainan develops into a global free-trade port. Employees of registered Hainan companies can apply for the "Global Connect" mobile service through the Hainan International Data Comprehensive Service Centre, bypassing the Great Firewall to access sites like Google and Wikipedia. Applicants need a 5G plan with a major carrier and must submit company information; approval can take up to five months. Approved users get global internet access at no extra cost. Currently, there are no restrictions on company size or business scope, and the program has generated significant interest.

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arXivLabs: Experimenting with Community Collaboration

2025-03-18
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the arXiv website. Individuals and organizations involved in arXivLabs uphold our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who share them. Have an idea for a project that will benefit the arXiv community? Learn more about arXivLabs.

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Development

Perfect Random Floating-Point Numbers: A New Algorithm

2025-05-07
Perfect Random Floating-Point Numbers: A New Algorithm

Traditional methods for generating random floating-point numbers suffer from precision loss and bias. This paper introduces a new efficient algorithm that generates perfectly uniform random floating-point numbers in the interval [0, 1), addressing the shortcomings of traditional approaches. The algorithm proceeds in two steps: first, generating a fixed-point random number with a specific granularity; second, filling in the remaining precision bits based on the rounding mode. The algorithm's performance is comparable to traditional methods, and testing verifies its uniformity and accuracy. This research is significant for simulations and computations relying on precise floating-point random numbers.

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Development

oLLM: Running Huge-Context LLMs on Consumer GPUs

2025-09-23
oLLM: Running Huge-Context LLMs on Consumer GPUs

oLLM is a lightweight Python library enabling inference of large-context LLMs like gpt-oss-20B and qwen3-next-80B on consumer GPUs with 8GB VRAM (e.g., a $200 Nvidia 3060 Ti), handling up to 100k context. This is achieved without quantization, by offloading layer weights and KV cache to SSD and employing techniques like FlashAttention-2 and chunked MLPs. Supporting various LLMs, oLLM offers a user-friendly API for large-scale text processing tasks such as analyzing contracts, summarizing medical literature, and processing massive log files.

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Development Low-Resource

Apple Declares 2018 Mac mini and iPhone 6s as Vintage

2025-04-15
Apple Declares 2018 Mac mini and iPhone 6s as Vintage

Apple updated its vintage product list, adding the 2018 Mac mini and iPhone 6s. This means these devices will receive more limited service and repairs. The iPhone 6s, initially launched in 2015, remained a budget option until 2018. The 2018 Mac mini was the last Intel-based Mac mini before Apple's transition to Apple silicon. A product is considered "vintage" five years after its last sale date and "obsolete" after seven years, at which point Apple ceases parts and repair provision.

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Hardware Vintage Products

US Consumer Confidence Plummets Amidst Trade War

2025-04-27
US Consumer Confidence Plummets Amidst Trade War

Major US consumer goods companies like P&G, Kimberly-Clark, and PepsiCo are slashing their annual forecasts due to declining consumer confidence and rising costs from the trade war. Tariffs are driving up company costs, forcing price increases and causing consumers to cut back on spending, particularly on dining out and non-essential items. Consumer confidence indices have fallen sharply, with people expressing concerns about the future economic outlook. While March retail sales saw a surge, this was due to consumers preemptively buying goods to avoid tariff-related price hikes; the long-term impact of the trade war on the US consumer market remains a significant concern.

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From Side Project to $1M ARR in Four Years: The ProjectionLab Story

2025-07-09
From Side Project to $1M ARR in Four Years: The ProjectionLab Story

Kyle bootstrapped ProjectionLab, a personal finance planning tool, to $1 million in annual recurring revenue in just four years. The journey was filled with ups and downs, from solo development to finding the right growth partner, Jon, and building a team. Kyle emphasizes the importance of perseverance and the value of working with the right people. He encourages entrepreneurs to keep showing up, even when growth is flat or doubts creep in. ProjectionLab's success is a testament to consistent effort, a love for the product, a focus on the customer, and teamwork.

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Startup Success Story

UK Government Goes Passwordless: Passkeys Arrive on GOV.UK

2025-05-08
UK Government Goes Passwordless: Passkeys Arrive on GOV.UK

The UK government is rolling out passkey technology across its digital services later this year, replacing the current SMS-based verification system. This move is projected to save millions of pounds annually while significantly enhancing security, aligning with the government's broader digital transformation strategy. The National Cyber Security Centre (NCSC), which has joined the FIDO Alliance, supports the initiative. Passkeys offer faster, more secure logins and robust protection against phishing attacks. Major corporations like Microsoft and Amazon are also adopting passkeys, signaling a global shift towards passwordless authentication.

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Tech

Brave Browser's New Custom Scriptlets: Take Control of Your Browsing Experience

2025-02-11
Brave Browser's New Custom Scriptlets: Take Control of Your Browsing Experience

Brave Browser version 1.75 introduces 'custom scriptlets' for desktop users, allowing advanced users to inject their own JavaScript into websites for deep customization. Similar to Tampermonkey and Greasemonkey, this feature enables users to create scripts modifying website functionality. Initially developed for debugging Brave's ad blocker, its value led to its release. Custom scriptlets enhance privacy, security, and usability by blocking trackers, customizing appearance, and improving accessibility. However, caution is advised as untrusted scripts pose risks. The feature is located in `brave://settings/shields/filters` and requires enabling 'Developer mode'.

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Awe: A New ALGOL W Compiler

2025-04-12
Awe: A New ALGOL W Compiler

Awe is a new compiler for the ALGOL W programming language, a successor to Algol 60. It's a complete implementation of the language as described in the June 1972 ALGOL W Language Description. Awe should compile code written for OS/360 ALGOL W compilers with minimal changes. Features include dynamic record allocation, string handling, complex numbers, and a standard I/O system. The project thanks Hendrick Boom and others for their contributions.

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Development

Orra: Revolutionizing Multi-Agent Application Development

2025-02-27
Orra: Revolutionizing Multi-Agent Application Development

Orra is a revolutionary platform for building production-ready multi-agent applications that handle complex real-world interactions. Going beyond simple crews and agents, Orra coordinates tasks across your existing stack, agents, and any tools running as services using intelligent reasoning—across any language, agent framework, or deployment platform. Features include smart pre-evaluated execution plans, domain grounding, durable execution, tools-as-services, state reversion for failure handling, automatic service health monitoring, real-time status tracking, and webhook result delivery. It supports multiple language SDKs (with Ruby, DotNet, and Go coming soon) and offers Docker and Docker Compose for running the control plane server. Users can select between Groq's deepseek-r1-distill-llama-70b model or OpenAI's o1-mini/o3-mini models. Orra's Plan Engine powers multi-agent applications through intelligent planning and reliable execution, featuring progressive planning levels, full semantic validation, capability matching and verification, safety constraint enforcement, and state transition validation.

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