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Five Years of tachy0n: A Retrospective on an iOS 13.5 0day Exploit

2025-05-24

This post reflects on tachy0n, an iOS 13.5 0day exploit released in 2020, leveraging the Lightspeed vulnerability (CVE-2020-9859) discovered by Synacktiv. Author Siguza details the exploit's discovery and its use in jailbreaking, highlighting the race condition in the `lio_listio` syscall. The article also discusses significant security improvements introduced in iOS 14 that effectively mitigated such attacks, shifting Apple's security strategy from patching individual bugs to addressing entire exploitation strategies. This is a technical news report focusing on iOS system security and exploit development.

(blog.siguza.net)

Tech 0day exploit

Google Tightens Android Developer Verification: Offline Sideloading May Be Restricted

2025-09-19

Google Tightens Android Developer Verification: Offline Sideloading May Be Restricted

Google is strengthening its Android developer verification system, requiring developers to register their identities and preventing the installation of unverified apps. While workarounds like ADB exist, recent Android SDK code suggests that even verified apps might be uninstallable offline. This means even safe apps could be blocked from installation without a network connection, potentially inconveniencing some users. The policy rolls out in a year, leaving time to refine details and find solutions.

(www.androidauthority.com)

Development

California's Energy Policy Showdown: Can SB 540 Break the Deadlock?

2025-07-21

California's Energy Policy Showdown: Can SB 540 Break the Deadlock?

California Senate Bill 540, aimed at creating a regional electricity market to facilitate interstate clean energy trading, has sparked a fierce debate among environmentalists. Supporters argue it will lower electricity bills and accelerate climate action, while opponents fear California will lose control of its grid and become a buyer of out-of-state coal power, potentially leading to higher electricity prices. The article delves into the pros and cons of the bill and the positions of various stakeholders, ultimately concluding that cooperation is key to addressing the climate crisis, and California's choice will have a profound impact on the clean energy transition across the West.

(www.latimes.com)

Tech regional electricity market

Zig for GPU Programming: A Modern Approach

2025-04-18

GPU programming used to be synonymous with wrestling C++ compilers, bloated SDKs, and vendor-specific toolchains. That's changing. Now you can write GPU code in modern languages like Rust and Zig with fewer layers of abstraction. This post explores the current state of Zig's GPU backends and how they perform across Vulkan, OpenCL, and native ISAs. Zig supports SPIR-V, PTX, and AMDGCN, allowing the generation of native binaries loadable at runtime, eliminating the need for CUDA, HIP, or HLSL. While Vulkan and OpenCL are the major SPIR-V environments, differences between them impact Zig's SPIR-V backend's behavior test pass rates. Future plans include maturing the SPIR-V backend, providing CUDA/HIP runtime bindings, and adding more GPU algorithms to the standard library.

(alichraghi.github.io)

Development

Your Car Key Fob's Security: A Closer Look at Vulnerabilities

2025-04-24

This technical article delves into the security vulnerabilities of Remote Keyless Systems (RKS) used in car key fobs. Using a 2006 Prius as an example, it explains how Software Defined Radio (SDR) can be used to receive and analyze key fob signals, revealing the rolling code mechanism. While rolling codes enhance security, the article details various attack methods like replay attacks, jamming, and signal amplification, enabling car theft. Higher-end Passive Keyless Entry and Start (PKES) systems are also examined, along with a case study on a vulnerability in VW's RKS system exploiting a repeated key flaw across millions of cars. The article concludes with assignment suggestions for further exploration of car security vulnerabilities and countermeasures.

(web.stanford.edu)

Tech

Single-Dose HIV Vaccine Breakthrough: Dual Adjuvants Trigger Strong Immune Response

2025-06-21

Single-Dose HIV Vaccine Breakthrough: Dual Adjuvants Trigger Strong Immune Response

Researchers at MIT and the Scripps Research Institute have demonstrated that a single vaccine dose, enhanced with two powerful adjuvants, can elicit a strong immune response against HIV. In mice, this dual-adjuvant approach generated significantly more diverse antibodies compared to vaccines with a single adjuvant or no adjuvant. The vaccine lingered in lymph nodes for up to a month, allowing for the generation of a greater number of antibodies. This strategy holds promise for developing single-dose vaccines for various infectious diseases, including HIV and SARS-CoV-2.

(www.sciencedaily.com)

AI HIV vaccine adjuvants immune response

Benchmarking Distributed Caches: Memcache, Redis, Valkey, Dragonfly, and Garnet

2025-07-15

Benchmarking Distributed Caches: Memcache, Redis, Valkey, Dragonfly, and Garnet

This study performs a comprehensive benchmark of five distributed caches: Memcache, Redis, Valkey, Dragonfly, and Garnet. Metrics include throughput, latency, and CPU cycles. The testing environment uses an AWS c8g.8xlarge instance and the memtier_benchmark tool, varying pipeline sizes (1, 10, 25, 50). Results reveal performance differences across various metrics, aiding developers in selecting the optimal cache for their application needs. The two-week long benchmark included 15,000 individual runs.

(github.com)

Development distributed cache

Werk: A Simple, Cross-Platform Build System

2025-01-13

Tired of Make's complexity? Simon Ask Ulsnes created Werk, a simplistic build system and command runner designed to address the shortcomings of Make and Just. Werk supports cross-platform builds, handles complex dependencies, and provides a user-friendly experience. Written in Rust and leveraging async/await for efficient concurrency management, it avoids common synchronization bugs. The article details Werk's design philosophy, usage, and comparison with other build tools, sharing the author's experience and insights in developing Werk.

(simonask.github.io)

Development

CodeCafé: Real-time Collaborative Coding in Your Browser

2025-05-05

CodeCafé: Real-time Collaborative Coding in Your Browser

CodeCafé is a hyper-collaborative, real-time development environment built directly into your browser. Designed to make pair programming, teaching, and collaborative web development as seamless as sharing a thought, CodeCafé addresses the limitations of existing tools for real-time coding. It offers a browser-based coding space with features like pixel-perfect live preview, a familiar VS Code-like editing experience, and zero setup. Powered by a custom Operational Transformation (OT) system, it enables fluid, Google Docs-style collaboration, even with multiple simultaneous edits. The backend uses Java Spring Boot and a WebSocket API, while the frontend leverages React, TypeScript, and other modern technologies.

(github.com)

Development real-time collaboration online coding pair programming

Battlefield 6's Secure Boot Requirement Sparks Controversy

2025-08-30

Battlefield 6's Secure Boot Requirement Sparks Controversy

EA's decision to require Secure Boot for the Battlefield 6 PC open beta ignited a debate among players. Many were unable to enable it or unwilling to grant kernel-level access to EA's anti-cheat, preventing them from playing. Technical director Christian Buhl defended the decision as a necessary evil to combat cheating, though admitting it wouldn't eliminate it entirely. While Secure Boot enhances anti-cheat capabilities, it also excludes some players.

(arstechnica.com)

Game Battlefield 6

Windows 11 Gets a New Built-in Command-Line Text Editor: Edit

2025-05-19

Windows 11 Gets a New Built-in Command-Line Text Editor: Edit

Microsoft introduces Edit, a new lightweight command-line text editor for 64-bit Windows. This open-source editor, under 250KB, boasts features like mouse support, multiple file opening, find and replace, word wrap, and crucially, a modeless design to avoid the steep learning curve of modal editors like Vim. It'll preview in the Windows Insider Program in the coming months before becoming a standard part of Windows 11.

(devblogs.microsoft.com)

Development command-line editor

Palantir's Controversial 'Meritocracy Fellowship': Bypassing College for High School Grads

2025-04-14

Palantir's Controversial 'Meritocracy Fellowship': Bypassing College for High School Grads

Palantir Technologies, a successful tech firm, has launched a controversial internship program called the "Meritocracy Fellowship." Targeting recent high school graduates who haven't attended college, the four-month program offers a substantial monthly stipend of $5,400. Applicants need exceptionally high SAT/ACT scores and must answer questions about their accomplishments and career aspirations. This move aligns with founder Peter Thiel's anti-higher education stance, sparking debate about tech talent acquisition and the value of college. While controversial, Palantir's initiative might offer a solution to the tech industry's talent shortage and inspire other companies to explore alternative recruitment strategies.

(www.thestreet.com)

Startup Recruitment Higher Education

Darwin's Family Secrets: The Untold Story of Their Drawings

2025-04-16

On the 205th anniversary of Darwin's birth, a trove of previously unseen family drawings has surfaced. These range from Darwin's meticulous botanical sketches to charming doodles by his children, and even sketches by his wife, Emma. Highlights include a child's drawing titled "The Battle of the Fruit and Vegetable Soldiers," a whimsical creation adding a playful counterpoint to Darwin's serious scientific work. These artifacts reveal intimate glimpses into the Darwin family life, adding a human dimension to the legendary naturalist and showing how family influenced his work.

(theappendix.net)

Misc drawings

Hirundo's Bias Unlearning Tech Reduces DeepSeek-R1 Model Bias by up to 76%

2025-01-29

Hirundo's Bias Unlearning Tech Reduces DeepSeek-R1 Model Bias by up to 76%

Hirundo successfully reduced bias in the DeepSeek-R1-Distill-Llama-8B large language model using its novel bias unlearning technology. While DeepSeek-R1 excels at reasoning tasks, it exhibited significant bias related to race, nationality, and gender. Hirundo's method achieved up to a 76% bias reduction across categories without impacting model performance, demonstrating a robust proof of concept for safer AI deployment. This technology will soon be available on Hirundo's platform, and the bias-unlearned model has been released on Hugging Face.

(www.hirundo.io)

AI Bias Mitigation

arXivLabs: Community Collaboration on arXiv Features

2025-08-04

arXivLabs is a platform enabling developers to build and share new features directly on the arXiv website. Participants must embrace arXiv's values of openness, community, excellence, and user data privacy. Got an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Bring Back Native Browser RSS Feeds!

2025-04-17

Bring Back Native Browser RSS Feeds!

The author reminisces about the convenience of native browser RSS feed support, where clicking an RSS icon would add a subscription to the browser's bookmarks, allowing for easy access to news updates. While email clients like Thunderbird currently offer RSS support, the author finds this less than ideal due to the need to switch applications. Web-based readers require accounts, and browser extensions are viewed with distrust. The author feels current alternatives are cumbersome compared to the simplicity of native browser integration and advocates for its return.

(jetgirl.art)

Misc

Your Irritability: A Founder's Secret Weapon

2025-05-30

Your Irritability: A Founder's Secret Weapon

The author argues that frustration isn't a flaw, but rather a powerful radar for identifying problems. Numerous examples illustrate how minor annoyances – from bad font choices to buggy apps – are actually opportunities. The author's entrepreneurial journey showcases how these irritations fueled the creation of an AI-powered podcast, a PR software, and an AI research curation platform. The core message: embrace your irritation as a source of inspiration and innovation.

(www.jeetmehta.com)

Startup

Firaxis's Genesis: From MicroProse's Demise to the Legacy of Civilization

2025-06-20

In 1996, disillusioned with the failing MicroProse, Civilization II's lead designer Brian Reynolds and co-designer Jeff Briggs decided to strike out on their own. They recruited Sid Meier, and the trio, armed with code and experience from MicroProse, founded Firaxis Games. Initially operating from cramped quarters, they persevered under difficult conditions. Meier's reputation secured EA investment, leading to the development of Sid Meier's Gettysburg! and the highly anticipated Alpha Centauri. While mechanically indebted to the Civilization series, Alpha Centauri featured a stronger narrative and deeper philosophical themes, exploring the future and challenges of human civilization. Though some gameplay mechanics fell short, its compelling story and insightful reflections on the future cemented its place as a classic.

(www.filfre.net)

Game Strategy Games

The Astonishing Stability of Clojure Libraries: A Secret Weapon Against Breaking Changes

2025-05-08

This article explores the remarkable stability of Clojure libraries and reveals that the secret isn't static typing, but rather a community-driven practice of avoiding breaking changes. The author argues for this through analysis of Clojure's codebase stability, popular library code retention rates, and a case study of fixing a bug. The article pinpoints Clojure's stability to its data structure design (immutability, EDN serialization), naming conventions (namespace elements), and a strategy of avoiding breaking changes like renaming or altering function signatures. Instead of relying on static typing to prevent problems caused by changes, the author suggests that fundamentally avoiding breaking changes is the key to maintaining library stability.

(potetm.com)

Development library stability dynamic language

Outgoing NASA Administrator Defends Artemis Program Amidst Delays

2025-01-07

Outgoing NASA Administrator Defends Artemis Program Amidst Delays

Outgoing NASA Administrator Bill Nelson, in a recent interview, expressed confidence in the Artemis lunar program, addressing concerns about delays. He attributed recent setbacks to the Orion heat shield and stated that after extensive testing and review by independent panels, Artemis II is on track for a launch around April 2026. Artemis III's lunar landing, contingent on SpaceX's lander readiness, could follow in summer 2027. Nelson also discussed his views on commercial human spaceflight and the restructuring of the Mars Sample Return mission to make it more affordable and timely. Finally, he offered well wishes to the incoming Trump administration's nominee and predicted that Artemis won't be canceled, although he expects the new administration to review the program's architecture.

(arstechnica.com)

Tech

arXivLabs: Experimenting with Community Collaboration

2025-06-15

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved uphold arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Pentagon's UFO Smoke Screen: A Carefully Crafted Illusion?

2025-06-12

Pentagon's UFO Smoke Screen: A Carefully Crafted Illusion?

The Wall Street Journal revealed the Pentagon's long-standing manipulation of UFO incidents for disinformation purposes. By fabricating evidence and stories, the Department of Defense diverted public attention from real, secret weapons programs to 'alien technology.' This practice targeted not only the public but also its own personnel. For example, the 1967 incident at a nuclear bunker, where a supposed 'alien spacecraft' disabled missiles, was actually a government electromagnetic pulse test. Additionally, new recruits to secretive programs received photos of UFOs, told they represented anti-gravity technology – a potentially out-of-control 'hazing ritual' or part of an internal disinformation campaign. Ultimately, the truth remains elusive, and the government's intent may be to discourage the search for it.

(gizmodo.com)

Tech Government Conspiracy

A Wild West of Italian Game Piracy: The 80s and 90s

2025-01-09

A Wild West of Italian Game Piracy: The 80s and 90s

This article details the rampant game piracy in Italy from the 1980s to the early 1990s. Legal loopholes and market conditions allowed pirated games to flourish, sold openly in kiosks and even legitimate stores. Companies openly published pirated games, creating a massive industry. The article profiles major players like Armati, the Neapolitan 'Napoletane', and SIPE/Edigamma, detailing their unique operations and impact. EU intervention and legal reforms eventually ended this era.

(genesistemple.com)

Game game piracy Italian gaming history 80s gaming

ACE-Step: A Leap Forward in Music Generation Foundation Models

2025-05-06

ACE-Step: A Leap Forward in Music Generation Foundation Models

ACE-Step is a novel open-source foundation model for music generation that integrates diffusion-based generation with a Deep Compression AutoEncoder and a lightweight linear transformer. This approach overcomes the trade-offs between speed, coherence, and control found in existing LLM and diffusion models. ACE-Step generates up to 4 minutes of music in 20 seconds on an A100 GPU—15x faster than LLM baselines—while maintaining superior musical coherence and lyric alignment. It supports diverse styles, genres, and 19 languages, and offers advanced controls like voice cloning and lyric editing. The project aims to be the 'Stable Diffusion' of music AI, providing a flexible foundation for future music creation tools.

(github.com)

AI

Democrats' Failing Strategy of Mildness: A Game Without Rules

2025-07-22

This article criticizes the Democrats' weak and compromising response to the Republicans' aggressive political tactics. Examples cited include the passive acceptance of DeJoy as Postmaster General, the ineffective response to the rejection of Obama's Supreme Court nominee, and the inaction regarding Trump's incitement of the January 6th insurrection. The author argues that Democrats cling to the illusion of cooperation while Republicans disregard rules and solely pursue victory. This strategic disparity leads to repeated setbacks for the Democrats, ultimately harming their own interests.

(arstechnica.com)

Misc Democrats

US Critical Infrastructure Cybersecurity Program Halted Due to Funding Lapse

2025-07-23

US Critical Infrastructure Cybersecurity Program Halted Due to Funding Lapse

A US program monitoring critical infrastructure networks for threats, CyberSentry, has been suspended due to expired government funding. Run by Lawrence Livermore National Laboratory, the program uses AI to detect cyberattacks and previously successfully identified high-risk Chinese-made surveillance cameras in US infrastructure. The suspension raises concerns about US critical infrastructure cybersecurity, particularly with the increasing sophistication of cyberweapons targeting industrial control systems. This mirrors a similar funding lapse earlier this year with the CVE program, highlighting staffing and funding shortages at the Cybersecurity and Infrastructure Security Agency (CISA).

(www.theregister.com)

Tech critical infrastructure

macOS Shortcuts: A Story of Stagnant Progress

2025-05-05

macOS Shortcuts: A Story of Stagnant Progress

Three years on, macOS Shortcuts remains a disappointment, falling far short of expectations. Author John Voorhees revisits his previous assessment of Shortcuts, highlighting its reliance on tools like AppleScript and Keyboard Maestro to accomplish complex tasks—a testament to its inherent limitations. While the flexibility of macOS allows for powerful workarounds combining various tools, this very fact underscores Apple's lack of progress in developing Shortcuts. Shortcomings like the poor implementation of conditional statements further exacerbate the issue. The author argues that Apple's 'years-long process' has long since exceeded reasonable leeway, leaving the future of Shortcuts on macOS uncertain.

(sixcolors.com)

Development Shortcuts

Global Fertility Crash: A Silent Crisis

2025-08-19

Global Fertility Crash: A Silent Crisis

A dramatic decline in global fertility rates is causing widespread concern. From Mexico to South Korea, many countries have fertility rates far below the level needed to sustain their populations. This not only leads to labor shortages and slower economic growth, but can also weaken national strength. While some countries are trying to raise fertility rates through economic incentives and other measures, the effects are limited. Experts recommend shifting the focus from raising fertility rates to increasing societal resilience to adapt to the challenges posed by demographic change. Sub-Saharan Africa is an exception, with its population expected to continue growing.

(www.nature.com)

Misc fertility rates

showkey: A Linux Command-Line Tool for Keyboard Troubleshooting

2025-01-30

showkey: A Linux Command-Line Tool for Keyboard Troubleshooting

The author encountered a strange issue where their "]" key kept repeating. Using the Linux command-line tool `showkey`, they discovered the culprit: a secondary keyboard pressed against an IMSAI 8080 Replica under their desk. `showkey` displays keycodes and scancodes, aiding in keyboard input troubleshooting. The -a option provides ASCII, decimal, octal, and hexadecimal values for pressed keys. The article details `showkey`'s installation, usage, and options, sharing the author's problem-solving experience.

(cubiclenate.com)

Development keyboard troubleshooting

MP3 Patents Expire: Who Cares?

2025-02-06

MP3 Patents Expire: Who Cares?

The MP3 format, once king of digital audio, is now royalty-free. Patents have expired, yet the news barely registered. Why? Streaming services and faster internet speeds have rendered the need for small, efficient audio files largely obsolete. The shift to cloud-based services and the near-invisibility of file sizes means most people don't download or even think about file formats anymore. While significant for developers of niche audio tools, for the average user, the change is largely irrelevant. MP3's free status is a historical footnote, a testament to the rapidly evolving digital landscape.

(idiallo.com)

Tech

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