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PostgreSQL 18 Beta: UUIDv7 Makes Database Primary Keys Better

2025-09-21

PostgreSQL 18 Beta: UUIDv7 Makes Database Primary Keys Better

PostgreSQL 18 Beta is out, and its most anticipated feature is native support for UUIDv7. UUIDv7, a timestamp-based UUID variant, solves the sorting and index locality issues inherent in traditional UUIDs used as database primary keys. It offers a compelling combination of globally unique identifiers and temporal ordering, making it ideal for distributed databases needing high performance and scalability. Other performance improvements in PostgreSQL 18 include async I/O and index optimizations.

(www.thenile.dev)

Development

The Rise of Personal Software: Fueled by AI

2025-02-07

After a decade of developing software for others, the author experienced a burnout. The advent of AI has made building personal software easier than ever. This led the author to embrace the concept of 'personal' or 'selfish' software – focusing on solving their own problems and open-sourcing the projects. This approach reignites passion, allows for faster iteration, and leverages AI to efficiently learn and solve problems. Even small, one-off scripts become enjoyable, fostering a renewed sense of purpose in development.

(xuanwo.io)

Development personal software

The Open Guide to Equity Compensation: A Comprehensive Overview

2025-04-13

The Open Guide to Equity Compensation: A Comprehensive Overview

This guide unravels the complexities of equity compensation, covering various forms like restricted stock, stock options, and restricted stock units. It aims to empower employees, hiring managers, founders, and students to understand the intricacies of equity compensation, make informed decisions, and avoid costly mistakes. Topics include equity compensation basics, fundamentals of stock corporations, how equity is granted, tax basics, taxes on equity compensation, plans and scenarios, offers and negotiations, and further resources. The guide also addresses common pitfalls and provides practical suggestions.

(github.com)

Startup stock options tax planning

PeerTube 7.1 Released: Enhanced Discoverability and Stability

2025-03-18

PeerTube 7.1 Released: Enhanced Discoverability and Stability

PeerTube version 7.1 is out, boasting significant improvements. Updates include a redesigned "About" page for clearer platform information; enhanced platform identification to easily understand video origins; improved Podcast 2.0 support for podcast app subscriptions; a default-enabled new view protocol for increased concurrent viewers; Mastodon account verification for enhanced trust; and a revamped P2P media loader for improved live stream stability.

(joinpeertube.org)

Development Video Platform

AI Image Generators Shake Up China's Graphic Design Industry

2025-06-28

AI Image Generators Shake Up China's Graphic Design Industry

AI image generators like DALL-E are significantly impacting China's graphic design landscape. While some designers use AI for cost-effective background creation, it highlights AI's potential to replace parts of the creative process. Clients now expect faster turnaround times and lower prices, leading to increased workload and reduced income for designers. Although AI can quickly replicate styles, it can't replace a designer's core skills in creative strategy and problem-solving. Many view AI as a 'toy' rather than a 'tool', finding its usefulness limited in complex projects. There's hope that AI will become a more effective design assistant in the future.

(www.theverge.com)

Design Creative Industry

The Reproducibility Crisis: How Genomic Mutations in Model Organisms Are Skewing Results

2025-05-15

The Reproducibility Crisis: How Genomic Mutations in Model Organisms Are Skewing Results

A new study reveals that the genomes of laboratory animal models accumulate mutations over time, a significant contributor to the reproducibility crisis in scientific research. Researchers found that common model animals like mice acquire new mutations each generation, potentially altering gene regulation and impacting experimental outcomes. While some labs attempt to mitigate this by cryopreserving embryos, it's not a complete solution. To improve reproducibility, scientists need more frequent genomic sequencing of model organisms and a better understanding of gene regulation differences to better control experimental variables.

(www.asimov.press)

Tech genomic mutations reproducibility crisis model organisms

60-Year-Old Math Puzzle Solved: The Optimal Sofa Size

2025-02-14

60-Year-Old Math Puzzle Solved: The Optimal Sofa Size

A 60-year-old mathematical puzzle – the moving sofa problem – has finally been solved! In the 1960s, mathematicians posed a seemingly simple geometric question: What's the largest area of a sofa that can navigate a unit-width hallway? Recently, Jineon Baek, a postdoctoral researcher at Yonsei University in Seoul, proved in a 119-page paper that the sofa shape proposed by Joseph Gerver in 1992 is the optimal solution, with an area of approximately 2.2195. Baek's proof is remarkable because it didn't rely on computers but used elegant mathematical techniques, offering new approaches to solving other optimization problems. The result also illustrates that even the simplest optimization problems can have surprisingly complex answers.

(www.quantamagazine.org)

Misc optimization

GrapheneOS: A Privacy-Focused Android Rebuilt

2025-07-25

GrapheneOS is an open-source project aiming to bolster Android's security and privacy. Based on the Android Open Source Project, it removes substantial code and adds numerous security features, including a hardened malloc() library and control-flow integrity enhancements. While support is limited to select Google Pixel devices, GrapheneOS leverages hardware memory tagging for robust OS protection. A firsthand installation experience reveals a more secure and private Android, albeit with an initial setup time investment. The author highlights its strong privacy features but acknowledges the ongoing challenge of balancing functionality with a complete rejection of proprietary apps.

(lwn.net)

Development

Solved: The Mystery of Sea Turtles' 'Lost Years'

2025-02-09

Solved: The Mystery of Sea Turtles' 'Lost Years'

Scientists have solved a long-standing mystery surrounding the 'lost years' of sea turtles. By attaching GPS trackers to young turtles in the Gulf of Mexico, researchers discovered that these creatures aren't passively drifting with ocean currents, as previously thought. Instead, the tiny turtles actively swim, navigating between continental shelf waters and the open ocean, making their own decisions about where to go. This research, published in Proceedings of the Royal Society B, fills a significant gap in our understanding of sea turtle life cycles and offers crucial insights for conservation efforts.

(phys.org)

Tech Sea Turtles GPS Tracking Marine Biology

Trump's Second Term: A Descent into Competitive Authoritarianism?

2025-02-13

Trump's Second Term: A Descent into Competitive Authoritarianism?

This article analyzes the potential threat to American democracy posed by a second Trump presidency. It argues that the Trump administration may weaponize government institutions to target opponents, suppress dissent, and steer the US towards 'competitive authoritarianism'. While the US possesses strong institutions and a relatively robust civil society, the politicization and weaponization of government agencies could lead to democratic backsliding, ultimately undermining the vitality of American democracy.

(www.foreignaffairs.com)

Misc Democracy

DivestOS Mobile Ends 10-Year Run, Developer Announces End of Updates

2024-12-27

DivestOS, a privacy-focused mobile operating system, announced the end of its updates on its tenth anniversary. The project, boasting over 7,000 git commits, achieved significant success, but due to sustainability concerns, developer Tavi has decided to cease maintenance. DivestOS and its apps will receive no further updates, and Hypatia and Carrion will no longer receive database updates. Non-mobile Divested projects (e.g., Brace, D-WRT) will continue to be maintained. Thank you to all users, contributors, and donors for your support.

(divestos.org)

Development mobile OS end of updates

Reverse Engineering the Boot Process of a 90s AlphaStation 500

2025-04-03

The author acquired a broken AlphaStation 500 workstation and embarked on a journey to understand its boot process. The investigation centered around the SROM (Serial ROM), which contained eight multiplexed images selectable via jumpers. Using Python and Rust, the author extracted and decoded the SROM data, revealing Alpha machine code. Analysis revealed the CPU directly controls a serial port using internal processor registers for bit-banging. While the AlphaStation's boot issue remains unsolved, the process uncovered the unique boot mechanism of this vintage workstation.

(thejpster.org.uk)

Hardware

AI in Education: A Century-Old Prediction?

2025-08-16

AI in Education: A Century-Old Prediction?

Over a century ago, Edison predicted that motion pictures would replace books and revolutionize education within a decade. Today, a similar narrative surrounds AI, with claims that it will obsolete books and transform education in ten years. However, history shows that new technologies aren't a panacea. Using Edison's prediction about film as a parallel, the author cautions against AI hype, urging a rational assessment of its role in education – potentially as a supplementary tool, not a sole one.

(shkspr.mobi)

AI technological predictions

Graphene Interconnects Could Rescue Moore's Law

2024-12-14

Graphene Interconnects Could Rescue Moore's Law

Destination 2D, a California-based startup, claims to have solved two longstanding challenges in integrating graphene into chip manufacturing: high-temperature deposition and low charge carrier density. They've developed a technique to deposit graphene interconnects at 300°C, compatible with traditional CMOS processes. Furthermore, using intercalation doping, they've achieved graphene current densities 100 times that of copper. This technology promises to extend Moore's Law and support future generations of semiconductor technology.

(spectrum.ieee.org)

Hardware graphene Moore's Law semiconductors

Kevin Kelly: Rejecting Unicorns, Embracing a Multifaceted Life

2025-07-04

Kevin Kelly: Rejecting Unicorns, Embracing a Multifaceted Life

This article recounts the author's meeting with tech visionary Kevin Kelly, prompting reflection on their own career path. Kelly, known for his diverse career—from Whole Earth Catalog editor to Wired co-founder and insightful futurist—has never pursued a single goal, instead continuously exploring various interests. The conversation with Kelly sparked a re-evaluation of the definition of 'success,' questioning the tech industry's obsession with singular focus and relentless pursuit, ultimately seeking a work style that combines ambition with joy.

(joincolossus.com)

Startup

Digital Resource Helps Wildfire Survivors Recover

2025-01-15

Digital Resource Helps Wildfire Survivors Recover

The Home Loss File System, created by California wildfire survivors, is a digital resource designed to support individuals navigating the challenging process of disaster recovery. This comprehensive tool provides checklists, organizational tools, and essential resources to help manage insurance claims, document losses, and track expenses. It features multiple sheets covering immediate actions, insurance details, inventory management, mental health resources, and more. Physical boxes are also available upon request.

(docs.google.com)

Misc resource management

Trump's Retaliatory Tariffs: A Calculation Error Sparks Economic Storm

2025-04-05

Trump's Retaliatory Tariffs: A Calculation Error Sparks Economic Storm

In 2025, President Trump announced retaliatory tariffs of up to 50% on nearly every country, based on a formula tied to trade deficits and claimed to be 'reciprocal'. However, this formula contained a significant error, overestimating foreign tariffs and leading to far higher actual US tariffs. This sparked a stock market plunge and recession fears. Experts point out that correcting the formula would drastically reduce the tariffs, but the underlying economic rationale remains questionable.

(www.aei.org)

Tech

Sustainable Router Dev Kit Uses Recycled Fairphone 2 Hardware

2025-03-06

Sustainable Router Dev Kit Uses Recycled Fairphone 2 Hardware

Belgian company Citronics has created a sustainable router development kit using the mainboard of the discarded Fairphone 2 smartphone. The kit, based on a Qualcomm Snapdragon 801 processor, features Ethernet, USB ports, and leverages the phone's existing 4G LTE, WiFi, and Bluetooth connectivity. Citronics calls this a "Circular Microcomputer," focusing on sustainability and using parts from e-waste. Pre-loaded with Alpine Linux, it also supports other Linux distributions. Citronics also partners to create custom gateways based on the Fairphone 2, used in applications like residential heating optimization and machine vision education. The dev kit, priced at €150, is aimed at professional prototyping and R&D, not consumers. Antennas are not included.

(www.cnx-software.com)

Hardware sustainable hardware dev kit

LLMs: Stochastic Parrots or Sparks of AGI?

2025-03-28

LLMs: Stochastic Parrots or Sparks of AGI?

A debate on the nature of Large Language Models (LLMs) is coming! Emily M. Bender (coiner of the 'stochastic parrot' term) from the University of Washington will clash with OpenAI's Sébastien Bubeck (author of the influential 'Sparks of Artificial General Intelligence' paper) on whether LLMs truly understand the world or are just sophisticated simulations. Moderated by IEEE Spectrum's Eliza Strickland, the event invites audience participation through Q&A and voting. This debate delves into the fundamental questions of AI and is not to be missed!

(computerhistory.org)

AI

Ditching Website Analytics: Reclaiming Our Digital Humanity

2025-08-30

Ditching Website Analytics: Reclaiming Our Digital Humanity

This article argues that website analytics, a tool born from military and surveillance technologies, strips away the human element of online interaction. The author recounts their experience abandoning analytics on their personal blog, concluding that the data provided offered little practical value while simultaneously surveilling readers. Instead, the author advocates for a return to more intentional and less automated communication, fostering smaller, closed communities where genuine connection trumps data-driven optimization.

(www.thisdaysportion.com)

Misc website analytics online community

Windows Update Bricking USB Printers: Random Text Mayhem

2025-03-13

Windows Update Bricking USB Printers: Random Text Mayhem

Microsoft has acknowledged that recent Windows updates (KB5050092 and later, released since January 29th, 2025) are causing some dual-mode USB printers (supporting both USB Print and IPP over USB) to print random gibberish. This includes network commands and unusual characters. Windows 10 22H2 and Windows 11 22H2/23H2 are affected; Windows 11 24H2 is not. Microsoft has fixed this via Known Issue Rollback (KIR), and the fix will also automatically roll out in a future update. For enterprise environments, IT admins need to install and configure specific group policies to resolve the issue on affected devices.

(www.bleepingcomputer.com)

Hardware Windows Update USB Printer

Collatz's Ant and Landscape Similarity: The Mystery of Beta

2025-05-28

This post explores the similarity of landscapes generated by Collatz's ant trajectories. By analyzing stopping time (τ), maximum Euclidean distance (α), the step at which the maximum distance is reached (β), and the final distance (γ), the author finds that stopping time is not a decisive factor in landscape similarity. While maximum distance (α) is related to landscape scale, it's insufficient to distinguish different landscapes. However, the step at which the maximum distance is reached (β) appears to be an indicator for distinguishing different landscapes, but the underlying mechanism requires further investigation. The article presents multiple examples showing the complex relationship between β and landscape shape and poses some unsolved mysteries, such as why, when the maximum distance (α) is different, β is sometimes the same and sometimes different? This provides a new perspective on the study of the Collatz conjecture.

(gbragafibra.github.io)

Misc

BB(6) Cryptid: The Antihydra and a Collatz-like Problem

2025-07-17

Researchers working on the Busy Beaver problem (BB) have discovered a BB(6) candidate called the "Antihydra." This problem involves a Collatz-like function where the iteration process determines the program's trajectory. The Antihydra's trajectory resembles a random walk, and its halting condition depends on the ratio of odd to even operations. This discovery presents new challenges and directions for Busy Beaver research, potentially shifting the focus from finding the largest Busy Beaver numbers to understanding and explaining these 'cryptids' and their behavior.

(www.sligocki.com)

Development

3D-Printed Heat Exchanger Offers a Cooling Breakthrough

2025-04-03

3D-Printed Heat Exchanger Offers a Cooling Breakthrough

Global air conditioning energy consumption is soaring, with ACs sometimes accounting for over 70% of residential energy demand during peak hours. MIT Technology Review highlights innovative solutions. New energy storage-based AC systems charge during off-peak hours, reducing grid strain. Energy-efficient desiccant cooling systems handle humidity more effectively. Excitingly, researchers 3D-printed a heat exchanger outperforming standard designs, paving the way for AC innovation. While a complete solution to the looming AC crisis remains distant, this breakthrough offers hope for energy efficiency. Policy and public support are crucial for widespread adoption.

(www.technologyreview.com)

Tech air conditioning energy consumption heat exchanger

Unpacking Your Dream Job: The Coffee Bean Procedure

2025-08-01

Unpacking Your Dream Job: The Coffee Bean Procedure

Many dream of owning a small coffee shop, but the author introduces the "Coffee Bean Procedure": breaking down the minutiae of running a cafe, from sourcing beans to managing staff. This 'unpacking' forces a confrontation with the reality of work, revealing that many lack understanding of a job's true content. The author uses this to illustrate how idealized notions of high-status professions often ignore the hardship and immense effort required. Only the truly 'crazy'—those with unwavering dedication—succeed. The piece encourages readers to unpack their career aspirations, finding a job matching their unique traits, and pursuing their goals with fearless abandon.

(www.experimental-history.com)

Misc unpacking job expectations

EV Brake Dust: A Hidden Air Pollution Threat

2025-07-24

EV Brake Dust: A Hidden Air Pollution Threat

A new study reveals that while electric vehicles (EVs) produce significantly less brake dust than gasoline cars thanks to regenerative braking, it's still a substantial source of air pollution. Brake dust, containing metals like iron, copper, and zinc, is harmful to human health. The study found that up to 55% of non-exhaust traffic-related PM10 in cities comes from brake wear. Although EVs have slightly higher tire wear, brake dust is more likely to become airborne. Improving air quality requires not only promoting EVs but also addressing non-exhaust pollution sources and encouraging public transport, cycling, and walking.

(modernengineeringmarvels.com)

Tech Brake Dust

Myst as a Graph: Unveiling the Structure of a Classic Adventure

2025-04-01

Myst as a Graph: Unveiling the Structure of a Classic Adventure

This article introduces a project that represents the classic game Myst as a graph. Programmatically generated, this graph visualizes the connections between various locations and elements in Myst using nodes and edges, revealing the underlying structure and logic of the game. The project not only provides a visual map but also offers a new way to analyze game mechanics and uncover hidden elements. Subsequent articles will delve deeper into the findings and technical implementation details.

(glthr.com)

Game Graph Analysis

The Surprisingly Messy Smart Home of a Home Assistant Lead Engineer

2025-05-18

The Surprisingly Messy Smart Home of a Home Assistant Lead Engineer

Frenck, lead engineer of Home Assistant, reveals the truth about his smart home: it's not the extravagant setup you might imagine. Instead, it's a chaotic experiment with hundreds of devices, multiple Home Assistant instances, inconsistent automations, and disastrous dashboards. His family has even accepted the flaky nature of the system. He confesses to the mess and vows to improve it, aiming for a truly optimized smart home experience for his family.

(frenck.dev)

Development

EU to Simplify GDPR: A Lifeline for Struggling Businesses?

2025-04-07

EU to Simplify GDPR: A Lifeline for Struggling Businesses?

The European Union is poised to simplify its complex General Data Protection Regulation (GDPR). Since its 2018 implementation, the GDPR has faced criticism for its burdensome compliance requirements, particularly impacting small and medium-sized enterprises (SMEs). Danish Digital Minister Caroline Stage Olsen highlighted the need for simplification, acknowledging the importance of privacy while advocating for less bureaucratic compliance. The European Commission has confirmed an upcoming proposal to streamline the GDPR, aiming to alleviate the compliance burden on SMEs and boost Europe's economy. This move echoes concerns raised by former Italian Prime Minister Mario Draghi about Europe's complex regulations hindering innovation.

(www.politico.eu)

Tech

Deep Dive: GPU vs. TPU Architectures for LLMs

2025-08-20

This article provides a detailed comparison of GPU and TPU architectures, focusing on their core compute units, memory hierarchies, and networking capabilities. Using the H100 and B200 GPUs as examples, it meticulously dissects the internal workings of modern GPUs, including Streaming Multiprocessors (SMs), CUDA Cores, Tensor Cores, and the interplay between various memory levels (SMEM, L2 Cache, HBM). The article also contrasts GPU and TPU performance in collective communication (e.g., AllReduce, AllGather), analyzing the impact of different parallelism strategies (data parallelism, tensor parallelism, pipeline parallelism, expert parallelism) on large language model training efficiency. Finally, it summarizes strategies for scaling LLMs on GPUs, illustrated with DeepSeek v3 and LLaMA-3 examples.

(jax-ml.github.io)

AI

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