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Go BitTorrent Client: A Work in Progress

2025-06-13

Go BitTorrent Client: A Work in Progress

This project implements a BitTorrent client in Go, handling torrent file parsing, peer discovery, and file downloading. Core functionalities are already implemented, including Bencode encoding/decoding, torrent file processing, peer communication, and download management for both single and multi-file torrents. Future development includes support for magnet links, the metadata exchange protocol, and DHT.

(github.com)

Development

Artificial Sweetener Erythritol May Impair Brain Blood Vessel Health

2025-06-13

Artificial Sweetener Erythritol May Impair Brain Blood Vessel Health

Researchers at the University of Colorado Boulder have found that the artificial sweetener erythritol may harm essential cellular functions maintaining brain blood vessel health. Erythritol was shown to increase oxidative stress, disrupt nitric oxide signaling, increase vasoconstrictive peptide production, and decrease clot-dissolving capacity in human brain microvascular endothelial cells. While popular in low-calorie foods due to its sweetness and negligible impact on blood sugar, epidemiological studies have linked higher erythritol levels to increased cardiovascular and cerebrovascular events. This new in vitro study provides a cellular mechanism for this association, showing adverse effects on brain endothelial cell function and potentially increasing stroke risk. Further long-term and in vivo research is recommended to clarify the cerebrovascular consequences of repeated erythritol consumption.

(medicalxpress.com)

Tech erythritol brain health stroke risk

Website Anti-Scraping: Anubis 1.19.1 Deployed

2025-06-13

This website uses Anubis (version 1.19.1), an anti-scraping system, to combat the server overload caused by aggressive scraping from AI companies. Anubis employs a Proof-of-Work mechanism similar to Hashcash; small-scale scraping is negligible, but large-scale scraping becomes significantly more expensive. This is a temporary solution; the ultimate goal is to identify and block malicious bots (e.g., headless browsers) to avoid impacting legitimate users. Please ensure JavaScript is enabled and plugins like JShelter are disabled for this website.

(codeberg.org)

Misc

jemalloc: 20 Years of an Open Source Memory Allocator

2025-06-13

jemalloc: 20 Years of an Open Source Memory Allocator

jemalloc, the open-source memory allocator, has had a 20-year journey since its inception in 2004. From its origins as a memory allocator for the Lyken programming language, to its integration into FreeBSD, and widespread adoption by Firefox and Facebook, jemalloc has gone through multiple phases and faced various challenges, such as fragmentation issues and the removal of Valgrind support. Although Facebook/Meta ultimately ceased active development of jemalloc, the code remains publicly available, and its development history offers valuable lessons for open-source software maintenance and community collaboration.

(jasone.github.io)

Development memory allocator

Building Better Software in the Age of AI

2025-06-13

Building Better Software in the Age of AI

In an era of readily available code generation tools, the bottleneck in software development is no longer speed, but quality. The author advocates for a balance between 'shipping' and 'craftsmanship,' criticizing the practice of sacrificing quality for speed. Using the development of their code editor, Zed, as an example, they demonstrate how AI can bridge knowledge gaps and help developers pursue an exceptional user experience. The article concludes by introducing 'Agentic Engineering,' a concept that combines human craftsmanship with AI tools to build superior software.

(zed.dev)

Development AI-assisted Development

Real-time Vector Glyph Rendering: Beyond SDFs, Towards High-Precision Anti-aliasing

2025-06-13

Frustrated with limitations in existing real-time text rendering solutions, like the blurring and texture issues of SDFs, the author embarked on a new approach. The subpixel structure problems of his new OLED monitor served as the final push. He abandoned SDFs and instead rasterizes glyph Bézier curves directly on the GPU, employing temporal accumulation to refine anti-aliasing quality over time. Clever atlas packing and Z-order algorithms efficiently manage glyph data, while subpixel anti-aliasing resolves color fringing on OLED screens. The result is high-quality, high-performance real-time text rendering, especially impressive when dealing with thin lines and intricate glyphs.

(osor.io)

Development glyph rendering anti-aliasing

Singaporean Urban Design: Where Structure Meets Spirit

2025-06-13

Singaporean Urban Design: Where Structure Meets Spirit

This interview features Calvin Chua, founder of Spatial Anatomy in Singapore, discussing how he integrates design, research, and advocacy into challenging global contexts. Chua's work focuses on the hidden forces shaping urban development, such as the unique ownership structures of Singapore's "strata malls" and a replicated North Korean apartment project revealing everyday life realities. He highlights different models of adaptive reuse, from large-capital projects to community-led efforts, emphasizing that successful adaptive reuse requires understanding both the structure and spirit of a building—neither can be neglected. Chua's experience ranges from urban planning training in North Korea to curating Singapore Archifest 2023, showcasing his profound insights into urban development.

(www.governance.fyi)

Design adaptive reuse

Apple Solves Passkey's Biggest Problem: Cross-Platform Portability

2025-06-13

Apple Solves Passkey's Biggest Problem: Cross-Platform Portability

Apple showcased a crucial import/export feature for passkeys at WWDC, addressing the major drawback of this phishing-resistant authentication standard: platform lock-in. Previously, passkeys were often confined to a single operating system or password manager, making transfer between devices or platforms difficult. Apple's new functionality will allow seamless transfer of passkeys between iOS, macOS, iPadOS, and visionOS, also supporting passwords and verification codes. This significantly enhances passkey adoption and counters concerns about large companies using them for ecosystem lock-in.

(arstechnica.com)

Tech

The Authentic Face of a VC: A Cautionary Tale

2025-06-13

The author recounts a story about the importance of authenticity in a speech, using a well-known VC as an example. This VC repeatedly emphasized his transparency and authenticity in an interview, but the author's friend (a female CEO) reveals a manipulative and deceitful side, using rumors and lies to achieve his goals. Ultimately, the VC's hypocrisy is exposed, and his reputation suffers. This story serves as a cautionary tale about the importance of discerning authenticity and avoiding those who only pay lip service to values.

(feld.com)

Startup Authenticity

Kremlin-Backed Disinfo Bypasses Social Media Moderation via Malicious Ad Tech

2025-06-12

A new report exposes a sprawling ecosystem of malicious ad tech used not only by online scammers and hackers but also by Kremlin-backed disinformation campaigns to bypass social media moderation. The investigation focuses on the “Doppelganger” disinformation network, which uses sophisticated domain cloaking to spread pro-Russian narratives and infiltrate European media. This cloaking service shares infrastructure with VexTrio, arguably the oldest malicious traffic distribution system (TDS), and is linked to affiliate marketing services LosPollos and TacoLoco. These services employ deceptive tactics to trick users into enabling push notifications, which are then used to disseminate malware and scams. Researchers tied these services to Adspro Group, registered in the Czech Republic and Russia, with infrastructure in Switzerland. Despite Adspro's denial of ties to VexTrio, actions like LosPollos suspending its push monetization service and Adspro rebranding to Aimed Global suggest a connection to malicious activity. The report highlights the significant cybersecurity threat posed by this malicious ad tech ecosystem and advises users to be cautious about browser notification requests.

(krebsonsecurity.com)

Tech malicious ad tech

Shopify's Stablecoin Gamble: A Big Tech Domino Effect?

2025-06-12

Shopify's Stablecoin Gamble: A Big Tech Domino Effect?

Shopify is diving headfirst into stablecoin payments, announcing plans to roll out USDC payments platform-wide later this year. This significant move reflects Big Tech's growing embrace of stablecoins, aiming to offer faster, cheaper cross-border transactions. Partnering with Coinbase and Stripe, Shopify leverages Coinbase's Base blockchain for secure processing and integrates the functionality seamlessly into its existing system. This opt-out system, offering cashback incentives to both merchants and customers, is expected to trigger a wave of similar adoption among other payment processors, significantly impacting the future of e-commerce payments and potentially influencing upcoming cryptocurrency regulation.

(finance.yahoo.com)

Tech stablecoins crypto payments

A Global Power Grid with Glass-Insulated HVDC Cables: A Bold Proposal

2025-06-12

This post proposes a revolutionary concept: a global undersea power transmission system using fused silica (glass) as insulation. Fused silica offers superior insulation strength and low cost, enabling significantly thinner and cheaper cables. To overcome glass's inflexibility, the author suggests continuous on-board cable manufacturing and direct laying. The cable design involves an aluminum conductor surrounded by a silica insulator, with surface hardening replacing outer protection. The post details HVDC cable voltage selection, manufacturing processes, laying procedures, solutions for challenges like storms and geological movements, and economic analysis. While facing significant technical hurdles and high R&D costs, the author believes this low-cost undersea cable technology holds immense potential to transform global power transmission.

(omattos.com)

Tech undersea cable power transmission new materials

CISA's Leadership Exodus Deepens Amidst Budget Cuts and Security Concerns

2025-06-12

CISA's Leadership Exodus Deepens Amidst Budget Cuts and Security Concerns

The US Cybersecurity and Infrastructure Security Agency (CISA) is facing a leadership crisis. Executive Director Bridget Bean's departure follows a pattern of high-level exits, leaving the agency without a Senate-confirmed director and struggling with significant budget cuts. A former employee cited a "culture of fear" under the new administration as hindering CISA's mission. With potential budget cuts ranging from $135 million to $495 million, and the confirmation of a new director blocked, CISA's future, and the nation's cybersecurity, remains uncertain.

(www.theregister.com)

Tech leadership crisis

Dozens of VPN Apps on App Stores Hide Chinese Links, Exposing User Data

2025-06-12

Dozens of VPN Apps on App Stores Hide Chinese Links, Exposing User Data

A new report from the Tech Transparency Project reveals that more than two dozen private browsing apps on Apple and Google's app stores have undisclosed ties to Chinese companies, potentially exposing user data to the Chinese government. The report highlights 13 VPN apps on Apple's App Store and 11 on Google's Play Store linked to Chinese firms, which are legally obligated to share data with the government. Several apps are connected to Qihoo 360, a Chinese cybersecurity firm sanctioned by the U.S. Apple responded that it allows apps as long as they comply with its guidelines and local laws, and that it has guidelines for VPN developers prohibiting data sharing with third parties. However, this raises serious concerns about U.S. user data security, echoing similar anxieties surrounding potential TikTok bans.

(thehill.com)

Tech Chinese companies

Roundtable: Hiring a Business Leader to Build the Proof-of-Human Layer

2025-06-12

Roundtable: Hiring a Business Leader to Build the Proof-of-Human Layer

Roundtable, a research and deployment company, is building the proof-of-human layer in digital identity. They are looking for a business leader to join their C-suite and drive commercial growth. The role involves designing, managing, and executing the company's commercial strategy, including top-of-funnel and pipeline management, sales calls, and customer success. The ideal candidate is comfortable in both sales and product contexts and has experience building a commercial operation in the tech industry, though technical expertise isn't required.

(www.ycombinator.com)

Startup business development

Hacker News: GameCube Keyboard Controller Powers Up Animal Crossing

2025-06-12

Hacker News: GameCube Keyboard Controller Powers Up Animal Crossing

A developer has created an amazing project combining a GameCube keyboard controller with Nintendo's Animal Crossing. The project includes tools allowing for incredibly fast in-game typing, importing custom images and videos, and even playing Snake! It involves 3D-printed custom keycaps, a Raspberry Pi Pico, and some electronics. The project is open-source and the code is available on GitHub.

(github.com)

Game

Emulating iOS 14 in QEMU: From Black Screen to Home Screen

2025-06-12

Emulating iOS 14 in QEMU: From Black Screen to Home Screen

This blog post details the journey of emulating iOS 14 on QEMU. The team overcame numerous hurdles, including analyzing system logs, userspace debugging (leveraging dyld cache symbols and the gdb stub), and bypassing data migration and SEP-related code. Through patching, clever workarounds (like utilizing iOS accessibility mode), they achieved booting, unlocking, multitouch support, network connectivity, and even the ability to install and run arbitrary IPA files. The post meticulously describes the technical details, showcasing the team's expertise and perseverance.

(eshard.com)

Development

Microsoft's Next-Gen Xbox: Beyond the Console, Embracing Any Screen

2025-06-12

Microsoft's Next-Gen Xbox: Beyond the Console, Embracing Any Screen

Microsoft's partnership with ASUS to launch the ROG Xbox Ally and Xbox Ally X handhelds signals a major shift in its next-gen Xbox strategy. These Windows-based devices feature a full-screen Xbox UI, extending the gaming experience beyond a single console. This reinforces Microsoft's 'Xbox as a service' vision, pushing the platform to various devices. While currently focused on PC games, Microsoft is addressing compatibility issues through Xbox Play Anywhere and cloud gaming, with plans to leverage emulation for future backward compatibility. The strategy prioritizes player choice, aiming to make any screen an Xbox.

(www.theverge.com)

Game

Barbie Gets an AI Brain: Mattel Partners with OpenAI

2025-06-12

Barbie Gets an AI Brain: Mattel Partners with OpenAI

Mattel and OpenAI are teaming up to bring AI to toys, potentially giving Barbie (and other toys) the power of conversation via ChatGPT. This ambitious collaboration aims to create fun, safe, and age-appropriate AI-powered experiences, blurring the lines between physical and digital play. While details are scarce, the first product is expected later this year, promising a new era of interactive toys that adapt and react in real-time, rather than relying on pre-recorded lines. This move represents a significant evolution for Mattel and a potential game-changer for the toy industry.

(nerds.xyz)

Game Toys Mattel

The Rise and Fall of Builder.ai: Separating Fact from Fiction in the AI Startup World

2025-06-12

The Rise and Fall of Builder.ai: Separating Fact from Fiction in the AI Startup World

Recent reports surrounding the AI startup Builder.ai claimed it used 700 engineers to fake an AI system. However, this article reveals a different story. Through interviews with former employees, the author reveals Builder.ai built a code generator leveraging LLMs like Claude, not a 'Mechanical Turk' as initially reported. The company's downfall wasn't due to AI fakery, but rather internal mismanagement, including redundant tool building (Slack, Zoom, etc.) and serious allegations of accounting fraud. This piece corrects previous misinformation, highlighting the dangers of false narratives in tech and the challenges facing startups in rapid growth. It serves as a cautionary tale and a testament to the importance of verifying sources.

(newsletter.pragmaticengineer.com)

Startup AI startup

Google Cloud Service Status: Comprehensive Monitoring

2025-06-12

Google Cloud Platform has released a real-time status monitoring page for all its services. The page lists the operational status of various services, ranging from Compute Engine to AI Platform. Users can easily check the availability of services across various regions and multi-regions. Contact support if you encounter an issue not listed here. FAQs regarding service status information and interpretation are also available.

(status.cloud.google.com)

Tech Service Status

Reverse-Engineering a Sony PS1 Motherboard: The nsOne Project

2025-06-12

Reverse-Engineering a Sony PS1 Motherboard: The nsOne Project

Lorentio Brodesco reverse-engineered an original PlayStation 1 motherboard, painstakingly recreating its complete schematic. This wasn't just a repair job; it's a preservation effort to save the PS1's hardware architecture and ultimately produce a functional motherboard, nsOne. He's open-sourcing the design files, a tribute to the PS1 and a testament to the power of retro hardware preservation.

(arstechnica.com)

Hardware

Cloudflare's Workers KV Outage Impacts Multiple Services

2025-06-12

On June 12th, Cloudflare's critical Workers KV service went offline due to a third-party dependency outage. This caused widespread disruption, affecting numerous Cloudflare products including Access WARP, Browser Isolation, Durable Objects (SQLite-backed only), Workers KV, Realtime services, Workers AI, and parts of the Cloudflare dashboard. Cloudflare engineers are working to restore service, acknowledging the significant impact on users.

(www.cloudflarestatus.com)

Tech

McWig: A Vim-like Text Editor in Go – A Speedy Experiment

2025-06-12

McWig: A Vim-like Text Editor in Go – A Speedy Experiment

McWig is a modal, Vim-like text editor written in Go, currently used by its creator as a daily driver. It only supports .go files and is in early development, so use with caution as it may damage files. Features include LSP autocomplete, goto definition, hover info, Tree-sitter support, and color themes (borrowed from Helix). However, it's also buggy. The project was a quick experiment to explore the text editor space, and the author plans to develop it into a stable, full-featured editor.

(github.com)

Development

Frequent Logins: Security Theater or Real Protection?

2025-06-12

Frequent Logins: Security Theater or Real Protection?

This article challenges the common belief that frequent logins enhance security. The author argues that constant re-authentication is not only frustrating but also leads to poor security practices like password reuse. True security, the article contends, lies in real-time monitoring and access management, utilizing techniques like device posture checks and SCIM-based access control to update security attributes and policies without constant user interaction. The author uses Tailscale as an example of how to achieve better security with minimal user friction.

(tailscale.com)

Tech

PCIe 7.0 Spec Finalized, PCIe 8.0 Pathfinding Underway

2025-06-12

PCIe 7.0 Spec Finalized, PCIe 8.0 Pathfinding Underway

PCI-SIG announced the completion of the PCIe 7.0 specification, boasting a per-lane data transfer rate of 128 GT/s—double that of PCIe 6.0 and quadruple that of PCIe 5.0. A 16-lane PCIe 7.0 device can transfer up to 256 GB/s in each direction. Furthermore, pathfinding for PCIe 8.0 has begun, targeting a 2030+ release with potentially double the performance of PCIe 7.0, reaching 1 TB/s bandwidth. Expect PCIe 7.0 devices to hit the market around 2028-2029.

(www.tomshardware.com)

Hardware

Harvard Economist Rogoff: The Decline of Dollar Hegemony and China's Economic Predicament

2025-06-12

Harvard Economist Rogoff: The Decline of Dollar Hegemony and China's Economic Predicament

Harvard economics professor Ken Rogoff, former chief economist of the IMF, predicts in his new book, "Our Dollar, Your Problem," that the US will face a debt-fueled inflation crisis within the next decade, but not a Japan-style financial crisis. He argues that China's current economic predicament stems from its long-term reliance on financial repression and state-directed investment, a model that only exacerbates problems. The interview also explores the erosion of dollar hegemony, global market rebalancing, and the impact of AI on deficits and interest rates. Rogoff notes that while China has achieved remarkable feats in infrastructure development, its economic growth has slowed significantly, with over-reliance on real estate and infrastructure investment leading to difficulties in many smaller cities. He believes that the US, with its economic dynamism and innovative capacity, will maintain its leading position but faces the risks of a debt crisis and inflation.

(www.dwarkesh.com)

Tech Chinese economy

Roame is Hiring a Lead Full-Stack Engineer to Revolutionize Points-Based Travel with AI

2025-06-12

Roame is Hiring a Lead Full-Stack Engineer to Revolutionize Points-Based Travel with AI

Roame, a flight search engine leveraging credit card points and miles, backed by Y Combinator and other top investors, seeks a Lead Full-Stack Engineer. This hands-on role requires experience with Next.js, Firebase, and Go, and involves building the entire frontend and contributing to the backend. The ideal candidate is passionate about travel, points optimization, and AI, thriving in a fast-paced startup environment. The position offers competitive salary, equity, and benefits, including free lunches and company offsites.

(www.ycombinator.com)

Development Travel Points

Anker Recalls PowerCore 10000 Power Bank Due to Fire Risk

2025-06-12

Anker Recalls PowerCore 10000 Power Bank Due to Fire Risk

Anker has issued a recall for its PowerCore 10000 power bank (model A1263) due to a potential fire hazard stemming from its lithium-ion battery. The USCPSC received 19 reports of fires and explosions causing minor injuries and over $60,700 in property damage. Approximately 1,158,000 units sold between June 2016 and December 2022 are affected. Anker offers a $30 gift card or a replacement power bank. Consumers need to submit photos and serial numbers for verification and safely dispose of the recalled units. This recall highlights the potential dangers of aging lithium-ion batteries and the benefits of upgrading to safer solid-state alternatives.

(www.theverge.com)

Hardware Power Bank Recall Fire Safety

Broken CD Rip: A MusicBrainz Metadata Nightmare

2025-06-12

Broken CD Rip: A MusicBrainz Metadata Nightmare

The author ripped a CD of Finish Ticket's 'Echo Afternoon', only to find discrepancies: a misspelled track name, an incorrectly timed track, and a missing song. The culprit? Inaccurate metadata in the MusicBrainz database. CD ripping software uses the disc's Table of Contents (TOC) to match and retrieve metadata from MusicBrainz. Errors in the database, including merged tracks and incorrect titles, led to the flawed rip. The author corrected the MusicBrainz database entries and updated their music library, highlighting the double-edged sword of editable databases and the crucial role of data quality.

(www.akpain.net)

Misc CD ripping music metadata

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