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The Elusive Eel: From Freud's Failed Dissection to the Sargasso Sea

2025-09-03
The Elusive Eel: From Freud's Failed Dissection to the Sargasso Sea

For centuries, the origin of eels remained a mystery, even baffling Sigmund Freud in his attempts to find their reproductive organs. This article recounts the scientific journey of uncovering the eel's life cycle: born in the Sargasso Sea, they undergo four transformations—glass eel, elver, yellow eel, and silver eel—before returning to the Sargasso to spawn and die. Their remarkable journey, a contrast to salmon's upstream migration, highlights the wonders and mysteries of the natural world.

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(eocampaign1.com)
Misc eel life cycle natural mystery

Tailscale 4via6: Revolutionizing Edge Device Connectivity

2025-05-12
Tailscale 4via6: Revolutionizing Edge Device Connectivity

Deploying software or hardware to the edge often faces connectivity challenges: NAT, restrictive network policies, fixed CIDR ranges, and unknowns. Tailscale's 4via6 subnet routing solves this by enabling seamless connections between numerous networks (e.g., robots, sensor networks) without managing IPs, CIDRs, or ports. Each network gets a unique identifier, devices are named using MagicDNS, simplifying management and granting secure remote access even for complex customer networks. Ideal for connecting autonomous robots, linking VPCs across clouds, or using the same IP range for testing and production.

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(tailscale.com)
Tech Edge Networking

From Failed Game to Workplace Collaboration Giant: The Rise of Slack

2024-12-23
From Failed Game to Workplace Collaboration Giant: The Rise of Slack

Tiny Speck's years-long effort to build the online game Glitch ended in failure, leaving the company facing financial ruin and potential team dissolution. However, CEO Stewart Butterfield saw a lifeline in the company's internal IRC server and its associated tools, which had streamlined team communication. These tools combined instant messaging, file sharing, searchable logs, and more, creating an efficient collaboration system. Building upon this, Tiny Speck pivoted to develop Slack, a workplace communication platform centered around team collaboration. Slack's success not only saved the company but also revolutionized how people work, becoming a benchmark for modern team collaboration.

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(buildingslack.com)
Startup startup pivot

A Cute Bug in HyperQueue: SIGTERM and the Ten-Second Mystery

2025-02-24

A curious bug emerged in HyperQueue, a Rust-based distributed task scheduler. Tasks, particularly those sleeping for more than 10 seconds, would mysteriously terminate. Debugging revealed a seemingly innocuous change: offloading process spawning to `tokio::task::spawn_blocking`. This, combined with `PR_SET_PDEATHSIG` (which sends SIGTERM upon parent process death), caused the issue. The worker thread spawned by `spawn_blocking` was being reaped by Tokio after inactivity, triggering the SIGTERM signal. The bug was fixed by reverting the optimization, highlighting the subtle interactions between concurrency, system calls, and thread management.

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(kobzol.github.io)
Development

YC Announces Spring 2025 Batch: X25

2025-01-20
YC Announces Spring 2025 Batch: X25

Y Combinator is launching its first-ever spring batch, X25, bringing its total annual batches to four (Winter, Spring, Summer, Fall). The 'X' designation, chosen for its common use in programming, reflects YC's tech roots. This more frequent batch schedule aims to better accommodate founders' timelines and rapidly fund the surge of AI-driven startups. Applications are open until February 11th, 8 PM PT, with the program running April-June and culminating in an in-person Demo Day.

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(www.ycombinator.com)
Startup

sshsync: Streamline SSH Commands Across Multiple Servers

2025-05-19
sshsync: Streamline SSH Commands Across Multiple Servers

sshsync is a fast, minimal CLI tool for running shell commands across multiple remote servers via SSH. Target all servers or specific groups, ideal for sysadmins, developers, and automation. It uses asyncssh, supports group-based configuration, SSH timeout settings, file pushing/pulling, operation history and logging, and a dry-run mode. Install via `git clone https://github.com/Blackmamoth/sshsync.git; cd sshsync; pipx install .`. It uses SSH aliases from ~/.ssh/config and stores group information in ~/.config/sshsync/config.yaml.

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(github.com)
Development Server Management

Mirage Persistent Kernel: Compiling LLMs into a Single Megakernel for Blazing-Fast Inference

2025-06-19
Mirage Persistent Kernel: Compiling LLMs into a Single Megakernel for Blazing-Fast Inference

Researchers from CMU, UW, Berkeley, NVIDIA, and Tsinghua have developed Mirage Persistent Kernel (MPK), a compiler and runtime system that automatically transforms multi-GPU large language model (LLM) inference into a high-performance megakernel. By fusing all computation and communication into a single kernel, MPK eliminates kernel launch overhead, overlaps computation and communication, and significantly reduces LLM inference latency. Experiments demonstrate substantial performance improvements on both single- and multi-GPU configurations, with more pronounced gains in multi-GPU settings. Future work focuses on extending MPK to support next-generation GPU architectures and handle dynamic workloads.

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(zhihaojia.medium.com)
AI megakernel

3D Kakeya Conjecture Cracked: A Towering Achievement in Harmonic Analysis

2025-03-15
3D Kakeya Conjecture Cracked: A Towering Achievement in Harmonic Analysis

Mathematicians Wang and Zahl have solved the long-standing three-dimensional Kakeya conjecture, a problem deeply connected to the Fourier transform. Their proof is likened to building a 'tower of dreams,' resolving a series of interconnected problems in harmonic analysis. Their ingenious method, akin to perfecting a perpetual motion machine, iteratively improved bounds until reaching the three-dimensional solution. This breakthrough opens doors to tackling higher-dimensional problems and marks a significant advancement in the field.

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(www.quantamagazine.org)
Tech Harmonic Analysis

AT&T to End Email-to-Text Service

2025-04-05
AT&T to End Email-to-Text Service

AT&T announced that its email-to-text and text-to-email service will be discontinued on June 17, 2025. This means users will no longer be able to send or receive texts via email. The change will also affect others with AT&T Wireless accounts who use this method to communicate. FirstNet, business, and IoT account holders should check for potential impacts.

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(www.att.com)
Tech text messaging

AI Social Simulation Reveals Fragile Democracy

2025-08-14
AI Social Simulation Reveals Fragile Democracy

Researchers used a simple AI model to simulate social media dynamics, revealing how it reinforces political polarization and creates echo chambers, hindering constructive political dialogue. While the model isn't perfectly realistic, the robustness of the mechanism it uncovered—the interplay of cultural and structural factors—is concerning, highlighting the potential negative impact of social media on democracy.

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(arstechnica.com)
AI social simulation

Claude Code: Iteration as Magic, a New Era for AI?

2025-06-17

Claude Code doesn't enhance the underlying LLM's intelligence, but rather boosts user experience through iterative attempts. It's like Steve Jobs' description of simple instructions executed at incredible speed, resulting in seemingly magical outcomes. The author illustrates this with updating project dependencies, a task Claude Code automated in 30-40 minutes through dozens of iterations. The author speculates that with massive parallel computing, this could be reduced to a minute, potentially revolutionizing LLM interaction and unlocking new possibilities for automated tasks.

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(omarabid.com)
AI

QwQ-32B: Scaling RL for Enhanced Reasoning in LLMs

2025-03-05
QwQ-32B: Scaling RL for Enhanced Reasoning in LLMs

Researchers have achieved a breakthrough in scaling reinforcement learning (RL) for large language models (LLMs). Their 32-billion parameter QwQ-32B model demonstrates performance comparable to the 671-billion parameter DeepSeek-R1 (with 37 billion activated parameters), highlighting the effectiveness of RL applied to robust foundation models. QwQ-32B, open-sourced on Hugging Face and ModelScope under the Apache 2.0 license, excels in math reasoning, coding, and general problem-solving. Future work focuses on integrating agents with RL for long-horizon reasoning, pushing the boundaries towards Artificial General Intelligence (AGI).

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(qwenlm.github.io)
AI

Unix Time and a Modest Proposal

2024-12-27

This article delves into the discrepancy between Unix time (the number of seconds since January 1, 1970) and the actual time due to the Earth's slowing rotation and slight variations in its orbit. Leap seconds were introduced to address this, but their complexities lead to a plan to discontinue them by 2035. The author proposes a novel solution: periodically adjusting Earth's orbit to maintain synchronization between the solar year and the average Gregorian calendar year, thereby eliminating the need for leap seconds.

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(www.johndcook.com)
Tech Unix time Earth's orbit

The Gig Trap: How Algorithmic Exploitation is Hurting US Gig Workers

2025-05-12
The Gig Trap: How Algorithmic Exploitation is Hurting US Gig Workers

A new Human Rights Watch report exposes the dark side of seven major US digital labor platforms, including Uber and DoorDash. These platforms misclassify gig workers as independent contractors, evading employer responsibilities and using opaque algorithms to control wages and job assignments. This results in workers earning far below minimum wage, lacking social protection, and facing constant fear of termination. The report highlights the extreme economic insecurity of these workers while the platform companies rake in billions. It calls for stronger government regulation to protect gig workers' rights.

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(www.hrw.org)
Tech algorithmic exploitation

Claude Code: The Photography Era of Programming?

2025-08-03

This article reflects on six weeks of using Claude Code, an AI coding assistant that has dramatically changed the author's approach to coding. He completed numerous tasks that would have normally taken months or even years, including codebase migrations and building testing strategies. Claude Code enabled a 'write first, decide later' approach and significantly boosted the team's game prototyping efficiency. While acknowledging its imperfections, the author believes Claude Code has fundamentally altered programming paradigms, similar to how photography revolutionized painting.

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(blog.puzzmo.com)
Development

The Unexpected Persistence of Traditional Unix Login Servers

2025-08-03

The author explores the surprising continued use of traditional Unix login servers in a hypothetical rebuild of their computing environment as a modern, greenfield development. Despite the prevalence of containerization, they maintain two types: a general-purpose server with CPU and RAM limits, and compute servers offering unrestricted resource access. While usage has declined, these servers remain surprisingly relevant, particularly for SSHing to internal machines or running backends for development environments like VSCode. The author also notes the use of login servers for cron jobs and the reason for users storing code on fileservers, which is closely tied to the use of their SLURM cluster and compute servers. The lack of a robust support model makes tracking exact usage difficult.

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(utcc.utoronto.ca)
Development Unix servers

Netflix Anime Dominates Global Streaming: Over 1 Billion Views in 2024

2025-07-08
Netflix Anime Dominates Global Streaming: Over 1 Billion Views in 2024

Netflix revealed its anime strategy's massive success at Anime Expo. Over 1 billion views globally in 2024, with over 50% of its members (estimated 300 million viewers) watching anime. Viewership tripled in five years, with 33 anime titles in Netflix's Global Top 10 (Non-English) in 2024. To meet demand, Netflix now offers dubs and subtitles in up to 33 languages. Upcoming titles include the action-packed "Sakamoto Days," the highly anticipated "Cyberpunk: Edgerunners 2," the cute "My Melody & Kuromi," and more, showcasing a diverse range of genres solidifying Netflix's anime dominance.

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(www.hollywoodreporter.com)
Game Global Streaming

Delhi Scraps Controversial Old Vehicle Ban After Public Backlash

2025-07-08
Delhi Scraps Controversial Old Vehicle Ban After Public Backlash

Delhi's government has reversed a plan to ban older vehicles from city roads after significant public opposition. The plan, which would have used ANPR cameras at gas stations to deny fuel to older petrol and diesel cars, sparked outrage, particularly among the middle class. Concerns about enforcement difficulties and economic impacts, coupled with technological challenges and lack of inter-state coordination, led to the policy's reversal. While committed to tackling air pollution, the government acknowledged the need to balance environmental concerns with the social and economic needs of its citizens, opting for long-term sustainable transport solutions.

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(nz.news.yahoo.com)
Misc vehicle ban Delhi government

Emulating the Sega Genesis's YM2612 Sound Chip (Part 1)

2025-03-29

This post begins a series on emulating the Sega Genesis's Yamaha YM2612 FM synthesis chip (OPN2). The author details the complexities of this notoriously difficult-to-emulate chip, focusing on its integration within the Genesis and CPU interaction. The article delves into the YM2612's architecture, explaining its six audio channels, four operators per channel, eight algorithms, and additional features like an LFO, timers, and a DAC. It explores the interplay between the 68000 and Z80 CPUs, register mapping, read/write behavior, and the root causes of audio issues in certain games (e.g., Earthworm Jim and Hellfire) on different Genesis models. Finally, the author describes emulating the DAC channel, providing valuable insight for anyone undertaking YM2612 emulation.

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(jsgroth.dev)
Game Game Console Emulation Audio Emulation

Walmart and Wing Expand Drone Delivery to Five New Cities

2025-06-13
Walmart and Wing Expand Drone Delivery to Five New Cities

Walmart and Alphabet's drone delivery company, Wing, are expanding their partnership to five new US cities: Atlanta, Charlotte, Houston, Orlando, and Tampa. Customers can now order online and have their Walmart purchases delivered by drone. This expansion adds 100 stores to their existing network, building on over 150,000 deliveries completed by Walmart since 2021 and over 450,000 by Wing since 2012. The initiative aims to enhance delivery speed and convenience while exploring more sustainable logistics solutions. Wing's drones can carry up to 5 pounds and have a 12-mile range.

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(www.theverge.com)
Tech

Automating IP Address and Network Changes in Kubernetes

2025-03-11
Automating IP Address and Network Changes in Kubernetes

The author's Kubernetes cluster relies on dynamically assigned IP addresses, creating vulnerabilities in its network configuration. To address this, a Kubernetes deployment was created to periodically check and update the public IP addresses of their Unifi gateway using the Unifi API. Upon detecting changes in IP addresses or IPv6 networks, it automatically updates Unifi firewall rules and Kubernetes service resources (including MetalLB configuration), and notifies the user via MQTT. The program is written in Python and leverages Kubernetes and Unifi APIs for automation.

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(vegard.blog.engen.priv.no)
Development IP Address Management

CVS Lets You Unlock Locked Shelves With Your Phone

2025-01-29
CVS Lets You Unlock Locked Shelves With Your Phone

CVS is piloting a new feature that lets customers unlock locked cabinets in stores using their phones, eliminating the need to ask an employee for help. The trial is currently in a few locations, with plans for nationwide rollout if successful. The feature requires users to be logged into the CVS app, connected to store Wi-Fi, and have Bluetooth enabled. CVS loyalty program membership is also required. The app also boasts AI-powered search and a conversational AI chatbot for checking medication refills and order statuses, streamlining the prescription pickup process.

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(www.theverge.com)
Tech Retail Tech Mobile App

Anthropic's Claude API Now Features Citations for Verifiable Answers

2025-01-23
Anthropic's Claude API Now Features Citations for Verifiable Answers

Anthropic has launched Citations, a new API feature for Claude that allows it to cite specific sentences and passages from source documents within its responses. This significantly enhances the verifiability and trustworthiness of Claude's outputs. Applications range from document summarization and complex Q&A to customer support, offering improved accuracy and efficiency while minimizing the risk of AI hallucinations. Early adopters like Thomson Reuters and Endex have reported substantial improvements in accuracy and workflow.

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(www.anthropic.com)
AI Trustworthy AI

Cellebrite Cuts Off Serbia After Spyware Allegations

2025-02-26
Cellebrite Cuts Off Serbia After Spyware Allegations

Mobile forensics firm Cellebrite has suspended its services to Serbia following allegations that Serbian police and intelligence agencies used its technology to unlock the phones of a journalist and an activist, and subsequently planted spyware. Amnesty International's report detailing the misuse prompted Cellebrite's investigation and subsequent decision to halt product use by the implicated customer. While hailed as a crucial step in combating the misuse of technology for political repression, the duration of the suspension remains unclear.

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(techcrunch.com)
Tech Serbia

Flipper Cloud Ditches Per-Seat Pricing for a Fairer Model

2024-12-28
Flipper Cloud Ditches Per-Seat Pricing for a Fairer Model

Flipper Cloud is abandoning its per-seat pricing model in favor of a simpler, three-tiered fixed-price plan (Bronze, Silver, Gold) designed to cater to different team sizes and feature needs. The author argues that per-seat pricing is cumbersome, budget-unfriendly, and discourages full product usage. The new strategy aims to simplify pricing, improve user experience, and incentivize long-term subscriptions by offering annual plans with extended data retention. Existing customers can retain their per-seat plan or switch to the new fixed pricing.

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(blog.flippercloud.io)
Startup SaaS pricing software billing

Google Beam: $25,000 3D Video Conferencing System

2025-06-11
Google Beam: $25,000 3D Video Conferencing System

Following the Gemini hype at Google I/O, Google unveiled Google Beam, a $24,999 3D video conferencing system developed in partnership with HP. The system uses six high-speed cameras to capture a volumetric video of the speaker, displayed on a 65-inch light field screen. This creates a hyperrealistic 3D image without the need for headsets or glasses, offering 60fps and millimeter-scale precision. Google claims Beam improves meeting efficiency and recall by enhancing non-verbal cues, and future integrations with Meet's live translation are planned. Despite the steep price, the technology is undeniably impressive.

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(arstechnica.com)
Tech 3D video conferencing high-tech

Multics: A Resurrected OS History

2025-08-07

The Multics website preserves the technical achievements and history of the Multics operating system. It aims to prevent the loss of valuable technical knowledge and historical context, giving credit where it's due and remembering the people involved. The site contains hundreds of files and images and welcomes contributions from anyone with corrections, anecdotes, or pictures.

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(www.multicians.org)
Tech Operating System History

comptime.ts: Compile-Time Computation for TypeScript

2025-08-07
comptime.ts: Compile-Time Computation for TypeScript

comptime.ts is a dead-simple TypeScript compiler designed for efficient compile-time evaluation of expressions marked with `comptime`. This allows for code optimization by shifting computations from runtime to compile time. It supports various use cases, including calculating constants, generating static content, and optimizing performance-critical code. Integration is straightforward via Vite, Bun, or the CLI, boosting developer productivity. However, comptime expressions must be JSON-serializable, and complex expressions may increase build times.

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(comptime.js.org)
Development Compile-Time Computation

Meta Loses Landmark Case: UK Users to Get Targeted Ad Opt-Out

2025-03-22
Meta Loses Landmark Case: UK Users to Get Targeted Ad Opt-Out

British consumers will be able to opt out of targeted online advertising following a landmark legal victory for campaigner Tanya O’Carroll against Meta. O’Carroll sued Meta (Facebook's parent company) for its inability to disable the user profiling used for ad targeting. After becoming a mother in 2017, she was bombarded with baby-related ads. Attempts to disable these ads through Facebook's settings failed. Further investigation revealed Meta had tagged her with over 700 characteristics based on her activity, inferring her movie preferences, holiday destinations, shopping habits, clothing style, political views, and personal details. This victory sets a precedent for user privacy rights.

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(www.thetimes.com)
Tech
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