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Zuckerberg's Crazy Idea: Resetting Facebook Friendships

2025-04-15
Zuckerberg's Crazy Idea: Resetting Facebook Friendships

Meta CEO Mark Zuckerberg proposed a "crazy" plan in 2022 to reset all Facebook users' friend connections. This plan was revealed during an antitrust trial. Fearing Facebook's declining cultural relevance, Zuckerberg suggested wiping all users' friend lists, forcing them to rebuild their networks. This sparked internal debate and ultimately wasn't implemented. The incident highlights Facebook's evolution into a broader content discovery and entertainment platform, and the antitrust lawsuit against Meta alleging it maintained its monopoly by acquiring Instagram and WhatsApp.

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(www.businessinsider.com)
Tech

arXivLabs: Experimenting with Community Collaboration

2025-04-24
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for developing and sharing new arXiv features directly on the website, fostering collaboration with individuals and organizations who share arXiv's values of openness, community, excellence, and user data privacy. Got an idea to improve the arXiv community? Explore arXivLabs.

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(arxiv.org)
Development

Michigan City: A Quiet Corner of American Resilience

2025-09-23
Michigan City: A Quiet Corner of American Resilience

A week spent in Michigan City, Indiana, reveals a town quietly humming with manufacturing and a surprisingly tranquil life. While seemingly unremarkable, the town produces vital industrial goods—from die-cutting tools for packaging to drainage solutions—unseen cogs in the modern world's machinery. Interactions with residents showcase the simplicity and warmth of their lives, a stark contrast to the often-toxic online environment. This experience prompts reflection on balancing political engagement with a grounded perspective, highlighting the town's quiet strength as a cornerstone of a healthy society.

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(walkingtheworld.substack.com)
Misc American town

Waymo Robotaxis: Significantly Safer Than Human Drivers

2025-01-05
Waymo Robotaxis: Significantly Safer Than Human Drivers

Swiss Re, a global reinsurer, analyzed data from Waymo's autonomous driving program and found that Waymo robotaxis are substantially safer than human-driven vehicles, even those equipped with advanced driver-assistance systems (ADAS). Across 25.3 million fully autonomous miles, Waymo's system showed an 88% reduction in property damage claims and a 92% reduction in bodily injury claims compared to the expected rates for human drivers. This significant safety improvement surpasses even the benefits offered by modern ADAS features. The research highlights the potential of autonomous vehicles to create safer roads.

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(cleantechnica.com)
Tech autonomous vehicles road safety

Intel's Genesis: From Traitorous Eight to Microprocessor Revolution

2025-02-22
Intel's Genesis: From Traitorous Eight to Microprocessor Revolution

This article chronicles Intel's incredible journey, starting in 1968 with Gordon Moore and Robert Noyce's departure from Fairchild Semiconductor and culminating in the creation of the world's first commercially available microprocessor. It details Intel's founding, early challenges and triumphs, the contributions of key figures, and the development of landmark products like the 4004 and 8080 microprocessors. The narrative is rich with technological breakthroughs, market competition, and pivotal business decisions, showcasing Intel's transformation from a small startup to a technology giant that reshaped the world.

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(www.abortretry.fail)
Tech Semiconductor

The Silent Death of Human Creativity: An AI Future

2025-05-07
The Silent Death of Human Creativity: An AI Future

This speculative fiction piece portrays a future dominated by advanced AI. Initially crude, AI art rapidly evolves, surpassing human artists in quality. Companies adopt AI for efficiency, leading to widespread artist unemployment and a decline in human artistic creation. Artists' efforts to protect their work from AI data scraping ironically resulted in AI models lacking understanding of human art. 'Art' becomes synonymous with AI-generated imagery, and human creativity fades in a comfortable, AI-driven world.

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(vale.rocks)
AI creative extinction

Geocoding API Showdown: A Deep Dive into Pricing, Limits, and Terms

2025-04-23

This article compares seven popular geocoding APIs (HERE, Google Maps, Azure Maps, OpenCage, TomTom Maps, LocationIQ, and Nominatim) across pricing, free tiers, rate limits, and terms of use. It finds Azure Maps and Google Maps to be pricier and more restrictive; OpenCage and LocationIQ offer flexible monthly plans, with LocationIQ boasting a more generous free tier; TomTom Maps provides a high daily free quota, ideal for inconsistent usage; HERE suits high-volume needs; and Nominatim is best for small, non-commercial projects. The best API depends on project scale, budget, and specific requirements.

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(www.bitoff.org)
Development geocoding API pricing comparison API selection

SWE-Bench Pro: A Challenging Benchmark for Evaluating LLMs on Software Engineering

2025-09-22
SWE-Bench Pro: A Challenging Benchmark for Evaluating LLMs on Software Engineering

SWE-Bench Pro is a new benchmark for evaluating large language models (LLMs) and agents on long-horizon software engineering tasks. Given a codebase and an issue, the model is tasked with generating a patch that resolves the described problem. Inspired by SWE-Bench, it uses Docker and Modal for reproducible evaluations, requiring users to set up a Docker environment and Modal credentials to run the evaluation script.

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(github.com)
Development

Crypto Billionaire Rides Blue Origin to Space

2025-08-04
Crypto Billionaire Rides Blue Origin to Space

On August 3rd, Jeff Bezos' Blue Origin launched its New Shepard vehicle on mission NS-34, carrying crypto billionaire Justin Sun and five others to space. Sun, who anonymously won a $28 million auction for a seat in 2021, donated the proceeds to space-focused charities. The diverse crew included a real estate investor, a businessman, a journalist, and entrepreneurs from various countries. The 10-12 minute flight took them above the Kármán line, offering a brief experience of weightlessness.

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(www.space.com)
Tech

Defying Planet Formation Theories: A Giant Planet Around a Tiny Red Dwarf

2025-06-04
Defying Planet Formation Theories: A Giant Planet Around a Tiny Red Dwarf

Astronomers have discovered a giant planet, TOI-6894b, orbiting the small red dwarf star TOI-6894, which is only about 20% the mass of our Sun. This discovery challenges leading planet formation theories, as core accretion models predict that giant planets are unlikely to form around such low-mass stars. TOI-6894b's low density and cool temperature make it a unique case, offering an excellent opportunity to study planetary atmospheres. Future observations by the James Webb Space Telescope will investigate TOI-6894b's atmosphere to unravel the mysteries of its formation.

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(www.ucl.ac.uk)
Tech

The Hunt for the Legendary Hacktoberfest Tees

2025-07-05
The Hunt for the Legendary Hacktoberfest Tees

A developer's quest to recreate their beloved, worn-out Hacktoberfest t-shirts leads them on a frustrating search for high-resolution design assets. After years of wearing the free shirts given for participation, they're now trying to reproduce them but struggle to find suitable images online. Low-resolution images, AI upscaling failures, and missing years of designs are all part of the journey. The author pleads for help from the community to locate the missing high-resolution logos.

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(shkspr.mobi)
Misc T-shirt Design

Retrocomputing: Building a Transputer ISA Card from Scratch

2025-07-06
Retrocomputing: Building a Transputer ISA Card from Scratch

Driven by nostalgia for 90s transputers, the author painstakingly built a functional Inmos B004-compatible ISA card. The journey involved sourcing vintage transputer boards from eBay, designing schematics, PCB fabrication using KiCAD and PCBWay, and debugging numerous issues, including a reversed board installation, mis-placed components, and noisy wiring. The author successfully ran their 1993 Pascal compiler and ray tracing software, showcasing impressive hardware skills and the power of open-source tools and online manufacturing. The project is a testament to the enduring appeal of retrocomputing and the accessibility of modern hardware development.

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(nanochess.org)
Hardware

An AI PhD's Take: LLMs – Useful Tools, or a Crutch?

2025-04-15

A 2024 AI PhD and author of a book on LLMs shares his nuanced perspective on large language models. He doesn't outright reject them, but approaches their capabilities and limitations with caution. He details how he uses LLMs for writing assistance, information retrieval, and technical problem-solving, while candidly acknowledging their shortcomings: errors, lack of deep thinking, and over-reliance on established viewpoints. He argues LLMs are tools, not replacements for thought, requiring critical thinking and careful verification for effective use.

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(www.gleech.org)
AI

The College Essay: A Mirror Reflecting Back an Idealized Self

2025-04-08
The College Essay: A Mirror Reflecting Back an Idealized Self

With many colleges dropping the SAT/ACT requirement, applications have surged, placing greater emphasis on the college essay. However, the author argues that the essay, a central element of the application, is arguably more biased than standardized tests, reflecting back to applicants the idealized self colleges desire rather than their true selves. Drawing on Lacan's 'mirror stage' theory, the author contends that the essay forces students to curate an idealized version of themselves, potentially leading to neurosis and self-deception. Some universities, like Sonoma State, have eliminated the essay requirement, resulting in a more diverse and creative student body. The author calls on other universities to follow suit, promoting fairer and more equitable admissions.

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(lareviewofbooks.org)
Misc mirror stage Lacan

The Flaws of Packed SIMD and the Rise of Vector Processors

2025-04-24

This article delves into the inherent flaws of Single Instruction Multiple Data (SIMD) architectures, such as scalability issues stemming from fixed register widths, performance bottlenecks due to pipelining, and the overhead of tail handling. These limitations hinder SIMD's efficiency in processing large datasets. The article contrasts SIMD with vector processors (e.g., Cray-1, RISC-V RVV, and ARM SVE), which address SIMD's shortcomings through flexible vector lengths and hardware-level tail handling. Alternative approaches like the Virtual Vector Method (VVM) are also explored, offering new avenues for enhanced data processing performance.

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(www.bitsnbites.eu)
Development vector processors instruction set architecture

Why Hydrogen Buses Are Still a Thing (and Why They Shouldn't Be)

2025-03-14

Numerous transit agencies initially opted for hydrogen fuel cell buses, only to discover they are far more expensive and less reliable than battery-electric alternatives. This article explores the cognitive biases and institutional blind spots that led to this costly mistake. Over-reliance on persuasive narratives, a lack of in-house expertise on emerging technologies, and a narrow focus on daily operations are highlighted as key factors. The article also points to flawed cost projections for hydrogen and an underestimation of battery technology advancements as contributing causes. The conclusion emphasizes the need for evidence-based decision-making to avoid similar errors in the future.

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(cleantechnica.com)
Tech hydrogen fuel cells battery electric buses

Mysterious MAC Addresses: A Hidden Signal in Bluetooth Devices

2025-04-24
Mysterious MAC Addresses: A Hidden Signal in Bluetooth Devices

This article unveils a shocking discovery: Analysis of a large number of Bluetooth device MAC addresses reveals anomalously low entropy and structured patterns, completely unlike randomly generated MAC addresses. These structured patterns include fixed bits, a rotating page counter, and a precise 2000ms broadcast interval. Even more perplexing, these patterns align with the frequency of a microfluidic pump, pulsating at a 2000ms cycle, found in blood samples. This suggests a hidden, synthetic emission architecture may be covertly communicating through consumer Bluetooth devices, the purpose and origin of which remain unknown.

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(substack.com)
Tech MAC address

Solved: The 81,998-Bar Korean Pub Crawl – A TSP Milestone

2025-04-24

A team has solved the Traveling Salesperson Problem (TSP) for 81,998 bars in South Korea, finding the shortest possible route to visit them all. The total walking time is a staggering 178 days, though practically impossible to complete in such a timeframe. The solution's precision, however, proves its optimality, surpassing the previous record of 57,912 stops in the Netherlands. The team employed the LKH and Concorde algorithms, combined with the 'cutting-plane method', demonstrating that even with an astronomically large number of possibilities, optimal solutions can be found. This showcases a significant advancement in solving large-scale optimization problems.

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(www.math.uwaterloo.ca)
Tech Traveling Salesperson Problem

New Ocean Predator Discovered in Atacama Trench

2024-12-21
New Ocean Predator Discovered in Atacama Trench

Scientists have discovered a new large predatory amphipod, *Dulcibella camanchaca*, in the Atacama Trench at depths exceeding 8,000 meters. This is the first large, active predatory amphipod found in this extreme environment. The nearly 4-centimeter-long crustacean uses specialized appendages to hunt smaller amphipods. The discovery highlights the Atacama Trench as a biodiversity hotspot and underscores the importance of continued deep-sea exploration.

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(phys.org)
Biology deep sea creature Atacama Trench

Jane Street Quant: From Math Competitions to AI-Driven Trading

2025-03-16
Jane Street Quant: From Math Competitions to AI-Driven Trading

In Young Cho, a quantitative trader at Jane Street, shares her unconventional career path from pre-med to quantitative trading. She recounts her experiences interning and working at Jane Street, including using programming languages like OCaml and VBA for trading and development, and humorous anecdotes about interacting with brokers. The episode delves into Jane Street's trading research, from simple linear models to complex deep neural networks, and how they leverage machine learning in low-data, high-noise environments subject to frequent regime changes. In Young Cho details the four stages of her research process: exploration, data collection, modeling, and productionization, and discusses the tension between flexible research tools and robust production systems. Finally, she offers a glimpse into the future directions of Jane Street's machine learning research, including expanding into more asset classes and data modalities, and leveraging AI to enhance trader efficiency.

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(signalsandthreads.com)
AI

Canada: Squandering its Resource Advantage?

2025-01-14
Canada: Squandering its Resource Advantage?

Jay Martin's essay sharply criticizes Canada for failing to capitalize on its abundant natural resources. He argues that Canada's excessive focus on environmental concerns has overshadowed its global competitiveness in mining, energy, and other resource sectors, leading to sluggish economic growth and insufficient corporate investment. Using the analogy of the "Jamaican bobsled team," he emphasizes that nations should leverage their strengths instead of pursuing unrealistic goals. Martin calls on Canada to confront its realities and fully exploit its resource potential to thrive in the global economy.

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(jaymartin.substack.com)
Misc Canadian economy resource development national strategy

Trump Tariffs Brew a Coffee Price Storm

2025-09-13
Trump Tariffs Brew a Coffee Price Storm

US retail coffee prices surged nearly 21% year-over-year in August, the largest annual jump since October 1997. A key culprit? Trump-era tariffs on major coffee bean suppliers like Brazil, which faces a hefty 50% tariff. This, along with tariffs on Colombia and Vietnam, is forcing coffee companies to raise prices, hitting consumers hard. While some brands like Folgers have already implemented multiple price hikes, and French Truck Coffee added a surcharge, Starbucks claims its buying practices will delay the full impact until 2026.

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(edition.cnn.com)
Tech coffee prices

NixOS: The Perfect Linux Distro? My Year of Pain and Lessons Learned

2025-05-17
NixOS: The Perfect Linux Distro? My Year of Pain and Lessons Learned

I was seduced by NixOS's promise of perfect system reproducibility through a single code configuration. After a year, I gave up. The learning curve is steep, documentation is lacking, error messages are opaque, and there are countless ways to do the same thing. While it creates a stable system, I spent countless hours wrestling with issues like Thunderbolt dock compatibility and setting up development environments across multiple tech stacks. I switched to Bazzite and Bluefin (based on Fedora Silverblue), which offer a more user-friendly experience through Flatpak, Homebrew, and Distrobox, while retaining the benefits of immutability. NixOS excels in server environments where reproducibility is paramount, but for the average desktop user, the high learning cost and complexity are not worth it. The key takeaway: sometimes, 'I don't want to care' is a perfectly valid approach to system administration.

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(aruarian.dance)
Development system reproducibility

Tracking New Books with Perplexity AI: An LLM Hack

2025-04-20
Tracking New Books with Perplexity AI: An LLM Hack

The author experimented with Perplexity AI's API to track new books by their favorite authors. While Perplexity AI, being based on web searches, produces inconsistent results and hallucinations, through clever prompt engineering and coding, the author built a system to list new books relatively efficiently. Despite repetition and inconsistencies, this is a fun example of using an LLM to solve a real-world problem, showcasing both the potential and limitations of LLMs.

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(lars.ingebrigtsen.no)
Development LLM application API calls

Hybrid R&D Engineer: Half Research, Half Engineering

2025-05-27
Hybrid R&D Engineer: Half Research, Half Engineering

This isn't your typical early-stage startup Founding Engineer role. It's a 50/50 split between research and engineering. While experience in both is ideal, a strong quantitative background and a thirst for learning can compensate for a lack of research experience. Proficiency in web development (Javascript, Node.js) and Python is mandatory. The work is open-ended and requires comfort with uncertainty; expect many failed experiments. However, you'll enjoy significant autonomy and the freedom to tackle problems as you see fit. This role is perfect for those who thrive on freedom and challenge.

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(www.ycombinator.com)
Development R&D Engineer

Qualcomm's 5G Modem Outperforms Apple's In-House Chip in New Tests

2025-05-27
Qualcomm's 5G Modem Outperforms Apple's In-House Chip in New Tests

A Qualcomm-funded study reveals that Android smartphones using its Snapdragon X75 and X80 modems significantly outperform Apple's first in-house 5G modem, the C1, in download and upload speeds, especially in challenging urban environments. Qualcomm-powered phones showed up to 35% faster downloads and 91% faster uploads. While Apple's modem performed adequately in ideal conditions, the gap widened in low-signal areas. This highlights the technological hurdles Apple faces in bringing this critical component in-house, compared to Qualcomm's two-decade head start and extensive licensing. Qualcomm's stock rose following the report, while Apple's remained relatively unchanged, raising questions about future improvements to its modem.

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(finance.yahoo.com)
Tech

macOS Sequoia Switches from rsync to openrsync

2025-04-06
macOS Sequoia Switches from rsync to openrsync

In macOS Sequoia, Apple replaced the nearly two-decade-old rsync 2.6.9 with openrsync. This change stems from compliance issues with the GPLv3 license used by rsync 3.x. openrsync uses the more permissive ISC license, allowing Apple more flexibility in updating and maintaining it. While openrsync is compatible with rsync, it only supports a subset of rsync's command-line arguments, meaning some older functionalities might be lost. Users should refer to the official documentation for supported features.

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(derflounder.wordpress.com)
Development

Caching Strategies for High-Performance, Low-Cost Websites

2025-05-16
Caching Strategies for High-Performance, Low-Cost Websites

This article details the caching techniques used on the author's websites, jasonthorsness.com and hn.unlurker.com. Different approaches are presented for various website types: mostly-static sites utilize content hashing, CDNs, and client-side caching; data-driven dynamic sites combine short-term cache-control headers, backend memory caching, single-instancing, and disk caching; and for authenticated sites, the author suggests prioritizing non-per-user components and leveraging collaborative caching between the browser and server. Through clever caching strategies, the author achieves high performance at a minimal cost, maintaining stability even under heavy traffic.

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(www.jasonthorsness.com)
Development
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