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Quantum Computing Bottleneck: Limitations of Cat Qubits

2025-02-27

Quantum Computing Bottleneck: Limitations of Cat Qubits

Recent research reveals significant limitations in quantum computing systems based on cat qubits. While exhibiting excellent performance in phase-flip error correction, these systems are highly vulnerable to bit-flip errors. A single bit-flip in any cat qubit directly causes a logical bit-flip error. Furthermore, the transmon qubits used for error correction are susceptible to both bit and phase flips, further hindering performance. Although some companies aim to reduce the number of required error-correction qubits by improving hardware qubits, this research indicates a substantial gap between current hardware capabilities and complex quantum computation. Breakthrough hardware advancements are necessary to realize the technology's potential.

(arstechnica.com)

Tech error correction

Figma IPO Priced at $33 per Share

2025-07-31

Figma IPO Priced at $33 per Share

Design collaboration platform Figma announced its initial public offering (IPO) of 36,937,080 shares of Class A common stock priced at $33.00 per share. The shares are expected to begin trading on the New York Stock Exchange on July 31, 2025, under the ticker symbol "FIG." The offering includes shares offered by Figma and existing stockholders. Morgan Stanley, Goldman Sachs, Allen & Company, and J.P. Morgan are acting as joint lead book-running managers. Founded in 2012, Figma has evolved from a design tool into a connected, AI-powered platform, streamlining the entire design and product development process.

(www.figma.com)

Startup Design Collaboration

Migratory Birds' Mitochondria: A Turbocharged Energy Source

2025-05-21

Migratory Birds' Mitochondria: A Turbocharged Energy Source

Two research teams independently investigated the changes in mitochondria during bird migration. Canadian researchers, through simulated migration experiments with yellow-rumped warblers, found that migrating birds had more mitochondria with a greater energy production capacity. Meanwhile, an American team used a mobile lab, the "MitoMobile," to study different subspecies of white-crowned sparrows in the wild, reaching similar conclusions: migratory sparrows possessed more numerous and efficient mitochondria. These studies highlight the crucial role of mitochondria in long-distance bird migration and demonstrate the dedication of scientists in pursuing scientific discovery.

(www.quantamagazine.org)

Tech energy metabolism

IPv4 Down? Linux, WireGuard, and Hetzner Saved My Internet!

2025-06-29

A power outage knocked out my IPv4 internet connectivity, leaving only IPv6, but many websites were inaccessible. I used a Hetzner VPS, WireGuard, and Linux network namespaces to cleverly fix this. By setting up a WireGuard server on the VPS, I tunneled my IPv6 connection to restore IPv4 functionality. Network namespaces allowed me to run my work VPN and Docker without interfering with WireGuard. I also solved WireGuard MTU issues. This whole process highlighted the flexibility and problem-solving power of Linux.

(jamesmcm.github.io)

Development

GPT-5 Excels in Qodo's Code Review Benchmark

2025-08-08

GPT-5 Excels in Qodo's Code Review Benchmark

Qodo used its private PR Benchmark, simulating real-world code review workflows, to evaluate top language models including GPT-5. Results showed GPT-5 excelled at understanding code diffs, identifying bugs, and suggesting improvements. Its 'minimal' variant balanced speed and quality impressively. While GPT-5 had some weaknesses like false positives and inconsistent labeling, its overall code review performance was striking, marking significant progress in AI-assisted code review.

(www.qodo.ai)

Development

Sapphire: A Next-Gen Package Manager in Rust

2025-04-22

Sapphire: A Next-Gen Package Manager in Rust

Sapphire is an experimental, Rust-powered package manager inspired by Homebrew. It's designed to install and manage command-line tools, libraries, languages, desktop applications, and more. Features include parallel downloads, automatic dependency resolution, and building from source. Currently ARM-only, with potential x86 support in the future. This is alpha software; use at your own risk.

(github.com)

Development

Rungis Market: The Hidden Heart of Parisian Gastronomy

2025-09-23

Rungis Market: The Hidden Heart of Parisian Gastronomy

At 4 am, the Rungis International Market, Europe's largest fresh food market, roars to life. This bustling hub, twice the size of London's Hyde Park, employs 13,000 people and supplies 60% of the Paris region's fresh produce. This article follows Parisian restaurateur Marc-Antoine Surand on a journey through this hidden world, revealing the stories behind Parisian cuisine and the historical relocation of Rungis from central Paris, and how it reshaped the relationship between Parisians and their food.

(www.vittlesmagazine.com)

Misc gastronomy Paris Rungis Market

AI Coding Agents: The Secret's Out (There Is None)

2025-07-05

In 2024, building autonomous coding agents was thought to require clever internal tricks. It turns out all you need is a slightly better base model. Claude Sonnet 3.7 is a frontrunner, excelling not in raw power but in its ability to persist and make good decisions. The barrier to entry for building AI coding agents has plummeted; open-source solutions are excellent, and you can even run a Codex agent for free on GitHub Actions. Competition is fierce; vendors need to focus on distribution and training better models to succeed.

(www.seangoedecke.com)

Development AI coding agents

Trump's Trade Fantasy Collapses: What's Next for US Democracy?

2025-04-29

Trump's Trade Fantasy Collapses: What's Next for US Democracy?

Trump's trade policies are facing a crisis. His claims of hundreds of trade deals lack evidence and are openly disputed by countries like China and Japan. His chaotic negotiating tactics have led to Japanese negotiators withdrawing. Polls show a plummeting approval rating, and his hardline stances on the economy and immigration are also being challenged. The author expresses concern about the potential damage during the remaining Trump administration and calls for action to prevent further harm to US democracy.

(paulkrugman.substack.com)

Misc

Failing My Anthropic Interview (Again): A Reflection

2025-08-29

The author recounts two failed interviews with Anthropic, the first due to a simple mistake, the second due to not being good enough. The post details the author's disappointment and self-reflection, exploring the tension between authenticity and fitting a company culture. The author concludes by embracing the setback and encouraging perseverance.

(taylor.town)

Misc job interview

Shining Light Through the Head: A Breakthrough in Brain Imaging

2025-08-04

Shining Light Through the Head: A Breakthrough in Brain Imaging

Researchers at the University of Glasgow have achieved a breakthrough in brain imaging, successfully transmitting near-infrared light through an entire adult human head. This opens the door to cheaper, more portable brain imaging technology that overcomes the limitations of current methods like EEG and fMRI. The technology could enable deeper brain imaging, potentially revolutionizing diagnosis and treatment of neurodegenerative diseases like Alzheimer's. While still in its early stages, the potential impact on brain health diagnostics and treatment is immense.

(spectrum.ieee.org)

Tech brain imaging optical imaging

The Mystery of the IBM PC's 'Little House' Character: The Origins of DEL (0x7F)

2025-04-12

The Mystery of the IBM PC's 'Little House' Character: The Origins of DEL (0x7F)

This article delves into the mystery of why the character at code point 0x7F (DEL key) in IBM PC's Code Page 437 is rendered as a 'little house'. It traces the origins of CP437 and IBM's decision to add 'non-serious' graphical characters for undefined control characters. Several theories are explored, including the 'house' as a symbol for home computers, its relation to the delete key, origins in other systems like Wang or Blissymbolics, and even a misidentified Greek Delta. Ultimately, the article suggests internal miscommunication at IBM as the likely cause of the persistent ambiguity. Regardless of its original intent, the 'little house' has found new life in PC ASCII art, becoming a purely visual element.

(blog.glyphdrawing.club)

Tech

Rust Compile Times: From 25 Minutes to 2 Minutes

2025-04-17

Rust Compile Times: From 25 Minutes to 2 Minutes

The Feldera team encountered excessively long compile times when compiling large SQL-generated Rust code. An 8,562-line SQL program translated to ~100k lines of Rust took 25 minutes to compile. Techniques like type erasure and code deduplication yielded minimal improvements. The breakthrough came from splitting the generated Rust code into 1,106 smaller crates, enabling parallel compilation and dramatically reducing compile time to under 2 minutes, fully utilizing multi-core processors.

(www.feldera.com)

Development compile optimization multi-core parallelism

Moon Bugs: A Retro 50KB DOS Shooter

2025-04-22

Moon Bugs is a retro shooting game running on DOS, boasting a remarkably small 50KB codebase, free from modern game dependencies. It utilizes a unique 160x100, 16-color mode achieved by manipulating character height. Shooting down UFOs earns points, reaching certain score thresholds grants extra lives, while some UFOs deduct points. The article details game bugs and explains how to modify the game file to adjust starting level, lives, and difficulty. The author praises the game's simplicity and retro charm.

(www.michalfarkas.net)

Game DOS game

The Magic Length of the Universe: 21 Centimeters

2025-04-24

The Magic Length of the Universe: 21 Centimeters

The 21-centimeter line, emitted by neutral hydrogen atoms, is a powerful tool for understanding the universe. This specific wavelength, resulting from a hyperfine transition in hydrogen, allows us to map the distribution of gas clouds, trace the history of star formation, and even search for elusive dark matter signals and primordial gravitational waves. Its precision and long-range reach make it a unique probe into the early universe and the cosmos's deepest secrets.

(bigthink.com)

Tech Hydrogen 21cm radiation

Microsoft Sues Service for Generating Illicit Content with its AI Platform

2025-01-11

Microsoft Sues Service for Generating Illicit Content with its AI Platform

Microsoft is suing three individuals and seven customers for running a service that generated harmful and illicit content using Microsoft's AI platform. The defendants developed tools to bypass Microsoft's safety measures, using compromised legitimate user accounts to create a fee-based platform. Operating from July to September 2024, the service used undocumented APIs and stolen API keys to generate illegal content, including pornography and violent materials. Microsoft's lawsuit cites multiple legal violations and seeks an injunction and damages.

(arstechnica.com)

Tech

Cannonball: A Revamped OutRun Engine

2025-01-11

Cannonball: A Revamped OutRun Engine

Cannonball is an enhanced OutRun arcade game engine rewritten in C++. It retains core elements from the original 68000 and Z80 assembler code, but improves upon it for modern platforms with higher frame rates and widescreen support. The project requires the original ROMs, as these contain graphics and audio data. Cannonball supports Windows, Mac, Linux, and more, using SDL2 for rendering with OpenGL or OpenGLES options.

(github.com)

Game

Millions of Accounts Vulnerable Due to Google OAuth Flaw

2025-01-14

Millions of Accounts Vulnerable Due to Google OAuth Flaw

A new study reveals a critical vulnerability in Google's "Sign in with Google" authentication flow, potentially exposing millions of Americans' data. Attackers can purchase domains from defunct startups, recreate former employees' email accounts, and gain access to various SaaS services linked to those accounts, including HR systems and chat platforms containing sensitive information. The researcher reported the issue to Google, which initially marked it as "won't fix." Only after the researcher's Shmoocon talk was accepted did Google reopen the issue and pay a bounty. While Google is working on a fix, millions of accounts remain vulnerable.

(trufflesecurity.com)

Tech

Critical AirPlay Vulnerability: Millions of Devices at Risk

2025-04-30

Critical AirPlay Vulnerability: Millions of Devices at Risk

Security researchers have uncovered a critical vulnerability, dubbed 'AirBorne,' in Apple's AirPlay SDK, potentially exposing tens of millions of devices to hacking. Attackers on the same Wi-Fi network could gain control of AirPlay-enabled devices like smart speakers and TVs. While microphone access is currently theoretical, the risk is real. Apple has released patches for its devices and provided fixes to third-party manufacturers, but many devices may take a long time or never receive updates. Users should update their devices and routers immediately and exercise caution on public Wi-Fi.

(9to5mac.com)

Tech

Bybit Suffers $1.46 Billion Crypto Heist in Largest Ever Hack

2025-02-21

Bybit Suffers $1.46 Billion Crypto Heist in Largest Ever Hack

Cryptocurrency exchange Bybit has been hit with a massive $1.46 billion crypto heist, according to blockchain investigator ZachXBT. Hackers gained control of a Bybit ETH cold wallet, transferring approximately $1.1 billion worth of ETH and other tokens to a new wallet. The hackers are now liquidating assets on decentralized exchanges, having already sold around $200 million in stETH. Bybit CEO Ben Zhou confirmed the security breach, assuring users that other cold wallets remain secure. This incident is potentially the largest cryptocurrency hack in history, causing BTC and ETH prices to drop.

(www.coindesk.com)

Tech Cryptocurrency theft Blockchain security

Hypersonic Interstellar Comet 3I/ATLAS: A Record-Breaking Visitor

2025-07-03

Hypersonic Interstellar Comet 3I/ATLAS: A Record-Breaking Visitor

Astronomers have discovered the third interstellar object, 3I/ATLAS, originating outside our solar system. This comet is remarkably fast, traveling at 60 kilometers per second towards the Sun, far exceeding previous interstellar visitors. Its orbit is largely unaffected by the Sun's gravity, giving scientists at least eight months of observation time. Unlike 'Oumuamua and 2I/Borisov, 3I/ATLAS's discovery, coupled with the capabilities of future telescopes like the Vera C. Rubin Observatory, suggests a significant increase in the detection rate of interstellar objects—potentially several per year.

(www.abc.net.au)

Tech interstellar object comet

Hack Club: A Global Community for Teen Hackers

2025-01-09

Hack Club: A Global Community for Teen Hackers

Hack Club is a global community for high school students passionate about coding, boasting over 50,000 members. It offers both online and offline resources, including collaborative open-source projects, in-person club meetings, and hackathons. Members build games, tools, and learning resources together, receiving free hardware and funding opportunities. With workshops, tutorials, and a vibrant online Slack community, Hack Club fosters a supportive environment for teens to learn and explore the world of coding.

(hackclub.com)

Development teen coding open source community hackathons

Python Concurrency: Threads, Processes, and Asyncio – A Deep Dive

2025-01-08

Python Concurrency: Threads, Processes, and Asyncio – A Deep Dive

This article summarizes the strengths and weaknesses of three approaches to Python concurrency: threads, processes, and asyncio. Threads share resources and are easy to use, but are limited by the GIL; processes have independent memory spaces, bypassing the GIL but with higher overhead; asyncio uses a single-threaded event loop, efficiently handling I/O-bound tasks, but requires non-blocking operations and has a steeper learning curve. The choice depends on the task type: CPU-bound tasks favor processes, I/O-bound tasks favor asyncio, and threads are suitable for other cases.

(newvick.com)

Development Python concurrency threads

Dark Mirror Ideologies: Do You Really Believe What You Say?

2025-04-07

Dark Mirror Ideologies: Do You Really Believe What You Say?

This article explores a phenomenon called "Dark Mirror" ideologies, which are defined by their opposition to "Light Mirror" ideologies. Crucially, a Dark Mirror ideology isn't a complete inversion; it only opposes its counterpart morally while agreeing on factual claims about the world. The disagreement lies solely in what actions should be taken. The author argues that Dark Mirror ideologies are rare in real life but frequently invoked in online political debates. Using examples like minimum wage debates, Darth Vader, and Satan, the article illustrates the rarity of Dark Mirror ideologies. It then analyzes the "Dark Mirror" versions of Marxism, Capitalism, Veganism, Grill Dads, Christianity, New Atheism, Liberalism, and Conservatism. The author concludes that accusing opponents of possessing Dark Mirror ideologies is a sign of a lack of empathy, and understanding your opponent's true position is key to effective engagement.

(www.fortressofdoors.com)

Misc

RetroTINK-5X and the Apple ][: A Surprisingly Good Match

2025-05-24

RetroTINK-5X and the Apple ][: A Surprisingly Good Match

This post briefly summarizes a test of the RetroTINK-5X upscaler with an Apple ][. Previous upscalers struggled with the Apple ]['s 'color killer' circuit, resulting in poor color reproduction. The RetroTINK-5X, however, performs surprisingly well, displaying crisp text and accurate colors in text mode. While slightly fuzzy in 'Generic 4:3' mode, this might be adjustable. The author notes initial minor screen wobble upon startup, but otherwise stable and excellent performance.

(nicole.express)

Hardware

The Original INTERCAL-72 Compiler Source Code Rediscovered

2025-06-02

The Original INTERCAL-72 Compiler Source Code Rediscovered

The original source code for the INTERCAL-72 compiler, created by Don Woods and Jim Lyon at Princeton in 1972, has been rediscovered and made public. INTERCAL, a notorious esolang (esoteric programming language), intentionally subverts conventional programming practices with its bizarre syntax and counter-intuitive design. This rediscovery allows programmers to experience firsthand this legendary language and understand its significant influence on the evolution of esoteric programming languages.

(esoteric.codes)

Development programming language history

130-Mile VTOL Drone Built in 90 Days: From Zero to Hero

2025-06-10

130-Mile VTOL Drone Built in 90 Days: From Zero to Hero

A complete beginner in CAD, 3D printing, and aerodynamic modeling built a 130-mile range VTOL drone in just 90 days. The drone boasts a 3-hour flight time on a single charge, making it one of the longest-range and highest-endurance 3D-printed VTOLs in the world. This achievement overcame numerous challenges, including learning CAD design, sourcing components, improving foaming PLA print quality, and extensive power loss troubleshooting. The project even garnered a quote tweet from Reid Hoffman on X, highlighting the accessibility of modern toolchains.

(www.tsungxu.com)

Hardware VTOL Drone

Apple's WWDC2025: Liquid Glass Redesign Sweeps Across Platforms

2025-06-09

Apple's WWDC2025: Liquid Glass Redesign Sweeps Across Platforms

Apple unveiled Liquid Glass, a sweeping design update at WWDC2025, bringing transparency and glass-like shine effects to iOS 26, iPadOS 26, macOS Tahoe 26, watchOS 26, and tvOS 26. Inspired by visionOS, this universal design adapts to light and dark modes, transforming elements from the dock and lock screen to app interfaces like Camera and Safari. New APIs are provided for developers to update their apps for this major UI overhaul. Marking Apple's biggest design shift in over a decade, Liquid Glass will significantly impact app development in the coming months.

(www.theverge.com)

Design Design Language UI Update

AI Coding Assistants: Startups Lead the Charge, Automation Soars

2025-04-28

AI Coding Assistants: Startups Lead the Charge, Automation Soars

Anthropic's research reveals disproportionately high usage of AI coding assistants like Claude among computer-related occupations, particularly in startups. Analysis of 500,000 coding interactions shows Claude Code, a specialized coding agent, boasts 79% automation, significantly higher than the general-purpose Claude.ai (49%). This suggests that front-end development (JavaScript, HTML) is more susceptible to AI disruption. Despite high automation, 'feedback loop' patterns remain prevalent, requiring human intervention. The study also finds startups are primary early adopters of Claude Code, while enterprises lag. This raises questions about AI's impact on future developer roles and the job market, hinting that software development might be a leading indicator of how other occupations will change with increasingly capable AI models.

(www.anthropic.com)

Development

Towards an AI Model Virtual Machine: A Secure and Interoperable Future for AI Applications

2025-08-30

Towards an AI Model Virtual Machine: A Secure and Interoperable Future for AI Applications

The increasing capabilities of LLMs and extension mechanisms like MCP have significantly heightened the complexity of building secure and reliable AI applications. This paper proposes an AI Model Virtual Machine (MVM), analogous to the Java Virtual Machine (JVM), to provide AI models with security, isolation, extensibility, and portability. The MVM decouples model development from integration logic, allowing for plug-and-play model interchangeability and incorporating built-in security and access controls to safeguard AI application security and privacy. Further benefits include transparent performance and resource tracking, and potential for verifiable model outputs. This innovation promises to address significant challenges in AI application development, paving the way for a more secure, reliable, and efficient AI ecosystem.

(blog.sigplan.org)

AI AI VM Model Security

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