The Ten Martini Problem: A Quantum Leap in Mathematical Understanding

2025-08-26
The Ten Martini Problem: A Quantum Leap in Mathematical Understanding

Mathematicians Jitomirskaya and Avila famously solved the 'Ten Martini Problem,' proving a specific mathematical model concerning electron behavior. However, their proof had limitations, only applying to simplified scenarios. In more realistic situations, the proof broke down, and the beautiful mathematical patterns vanished. This changed in 2013 when physicists observed the patterns in a lab, prompting Jitomirskaya to seek a new mathematical explanation. In 2019, her collaborator Ge proposed a 'global theory' promising to solve this, offering a more elegant approach to understanding almost-periodic functions.

Read more

SpaceX Starship Flight 10: A Bold Experiment in Fault Tolerance

2025-08-28
SpaceX Starship Flight 10: A Bold Experiment in Fault Tolerance

SpaceX's Starship flight 10 wasn't just another milestone; it was a rigorous test of the rocket's fault tolerance. SpaceX intentionally introduced multiple failures to test the heat shield, propulsion redundancy, and Raptor engine reignition. The test focused on assessing Starship's resilience under extreme conditions, laying the groundwork for future Starlink satellite launches, commercial payload transportation, and crewed missions. Engineers deliberately removed heat shield tiles and experimented with a new actively cooled tile type to gather real-world data and refine designs. Propulsion redundancy was tested by simulating engine failure and successfully using a backup engine. Additionally, Starship achieved in-space Raptor engine reignition. This testing is crucial for NASA's Artemis program, which relies on SpaceX developing a heat shield that survives reentry and a ship that can reliably reignite in orbit to safely deliver astronauts to the lunar surface.

Read more
Tech

Linear Scan Register Allocation: Handling Lifetime Holes

2025-08-26
Linear Scan Register Allocation: Handling Lifetime Holes

This post details improvements to the linear scan register allocation algorithm to handle lifetime holes. The author explains how lifetime holes arise from reducing the control flow graph to a linear instruction sequence, creating discontinuities in virtual register lifetimes. The solution involves modifying the interval data structure to support multiple disjoint ranges, allowing the identification and exploitation of these holes. The linear scan algorithm is then adapted to consider these holes during register assignment, improving register utilization. This enhances the compiler's ability to leverage register resources, ultimately boosting code performance.

Read more
Development linear scan algorithm

LiteLLM: Hiring Founding Full-Stack Engineer

2025-08-27
LiteLLM: Hiring Founding Full-Stack Engineer

LiteLLM, an open-source LLM gateway with 27K+ GitHub stars used by companies like NASA and Adobe, is rapidly expanding and seeking a founding full-stack engineer. The role focuses on unifying the format for calling 100+ LLM APIs (OpenAI, Azure, Bedrock, etc.) using the OpenAI spec, improving platform performance and reliability. The tech stack includes Python, FastAPI, JS/TS, Redis, Postgres, and more. Candidates should have 1-2 years of backend or full-stack experience, be comfortable maintaining high-performance infrastructure, and passionate about open-source.

Read more
Development

xv6-riscv-net: Bringing TCP/IP Networking to RISC-V xv6

2025-08-26
xv6-riscv-net: Bringing TCP/IP Networking to RISC-V xv6

This project integrates a TCP/IP stack into the RISC-V version of the xv6 operating system, enabling network functionality. It includes a kernel-space port of the microps user-space TCP/IP stack, a virtio-net driver for network emulation in QEMU, a standard socket API, and a simple ifconfig command. A few commands build and launch QEMU, configure IP addresses, and allow pinging the xv6 guest from the host, along with testing TCP/UDP echo applications.

Read more
Development

Elon Musk Denied Entry to Berghain: A Berlin Triumph of Anti-Elitism

2025-08-27

Elon Musk, the world's richest man, has become infamous in Berlin for his support of Trump and Germany's far-right AfD party, and for performing a Nazi salute. Adding to the irony, he was denied entry to Berghain, Berlin's most exclusive nightclub, a symbolic victory for Berlin's anti-elitism and commitment to authenticity. The incident sparked numerous memes and songs, becoming a part of Berlin's culture and highlighting the city's embrace of inclusivity and anti-establishment values.

Read more

Ancient Genomics Revolution: Rewriting Human History

2025-08-26
Ancient Genomics Revolution: Rewriting Human History

David Reich and his team at Harvard Medical School are rewriting human history using ancient DNA analysis. Their discoveries, including interbreeding between Neanderthals and modern humans, and the revelation of previously unknown "ghost populations," challenge the traditional "out of Africa" theory. This research not only unveils prehistoric human migrations, mergers, and extinctions but also raises ethical concerns about gene editing technology, a tool with the potential for both immense benefit and catastrophic misuse, similar to nuclear weapons. Reich's team collaborates with archaeologists and museums globally to create a comprehensive picture of human evolution using ancient DNA data, revealing the complexity and diversity of our past.

Read more
Tech

Revisited Forth: Two Implementations and Reflections on a Quirky Language

2025-08-28

The author revisited Forth, a language first encountered 20 years ago. Over two months, they implemented two Forth interpreters: goforth (in Go) and ctil (in C). goforth, a pure interpreter, is simple but lacks advanced features. ctil, closer to a traditional Forth implementation, allows extending the language using Forth itself, showcasing its power. The author argues that Forth's unique strengths lay in its early hardware context. However, its stack-based model makes it less readable and less practical in modern contexts, best suited as a learning project to understand compiler principles and virtual machines.

Read more

timep: A blazing-fast Bash profiler with built-in flamegraphs

2025-08-26
timep: A blazing-fast Bash profiler with built-in flamegraphs

timep is a state-of-the-art trap-based profiler for bash code. It generates per-command execution time profiles, hierarchically logging command runtimes and metadata based on function and subshell nesting. The latest release (v1.3) is fully self-contained, including a compressed binary and a flamegraph generator. Major refactorings have dramatically improved performance; a test with ~67,000 commands now runs in 5 minutes (down from 20!). timep offers detailed and summarized profiles, plus visually insightful flamegraphs, simplifying the analysis and optimization of Bash code.

Read more

Massive Industry Ties Revealed Among DSM-5-TR Panel Members

2025-08-27
Massive Industry Ties Revealed Among DSM-5-TR Panel Members

A study investigating financial ties between the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, fifth edition, text revision (DSM-5-TR), panel members and industry found that nearly 60% (55 out of 92) received substantial payments totaling over $14.2 million. These payments encompassed consulting fees, travel expenses, speaking engagements, and more. The research highlights the potential for conflicts of interest influencing the DSM-5-TR's objectivity and calls for stricter regulations to prevent such conflicts and ensure the independence and reliability of mental health diagnostic standards.

Read more
Misc

The MiniPC Revolution: Modular Computing for the Homelab

2025-08-26

MiniPCs are revolutionizing personal computing with their affordability, compact size, energy efficiency, and versatility. The author details how MiniPCs excel in homelab setups, network storage, and personal cloud solutions, highlighting their modular design's advantages in avoiding single points of failure and simplifying maintenance. Instead of a single powerful machine, MiniPCs offer a scalable and flexible approach to building a customized computing environment.

Read more

bookmarks.txt: A Simple, Text-Based Bookmark Manager

2025-08-28
bookmarks.txt: A Simple, Text-Based Bookmark Manager

bookmarks.txt offers a streamlined approach to bookmark management using plain text files. Bookmarked URLs are stored in files named bookmarks.txt, with a simple format: one URL per line, optionally including a title (space-separated). A global bookmarks file resides at $HOME/bookmarks.txt, while project-specific bookmarks can be stored in local bookmarks.txt files. The project includes a script, bin/bookmarks, for listing and adding bookmarks, but building custom tools is also encouraged. Combined with fzf, it provides a powerful fuzzy search and open functionality. This lightweight, customizable solution prioritizes simplicity and extensibility.

Read more
Development bookmark management

Leeches: An Ancient Remedy Re-examined

2025-08-28
Leeches: An Ancient Remedy Re-examined

This article delves into the history of leech therapy (hirudotherapy) and its potential resurgence in modern medicine. While Western medicine remains cautious about its efficacy, leech therapy has been used for millennia across numerous cultures, including China and India. Leech saliva contains hirudin, a powerful anticoagulant, and other bioactive compounds that reduce inflammation and improve blood flow. Although large-scale clinical trials are lacking, leech therapy shows promise in specific surgical applications, such as microsurgery breast reconstruction. The article also explores the development of artificial suction devices to mitigate the risks associated with live leeches. Ultimately, the article calls for more research into this ancient therapy to fully understand its potential and limitations.

Read more

Ninth Circuit Slams Copyright Owners' Misuse of DMCA 512(h)

2025-08-27
Ninth Circuit Slams Copyright Owners' Misuse of DMCA 512(h)

The Ninth Circuit Court of Appeals ruled that DMCA 512(h) subpoenas cannot be used to unmask internet users from Internet Access Providers (IAPs) because IAPs don't host content. This ruling reinforces prior precedent, stating copyright holders can't issue valid 512(c)(3) takedown notices to IAPs as they have nothing to take down. Attempts by copyright owners to circumvent this by using technical methods like destination null routing were rejected. The decision may embolden IAPs to refuse such subpoenas and push copyright owners towards alternative legal avenues. The court highlights the absurdity of copyright owners repeatedly using a legally dubious method that has been rejected for over two decades.

Read more

Cascata delle Marmore: Rome's Ancient Engineering Marvel, World's Tallest Man-Made Waterfall

2025-08-27
Cascata delle Marmore: Rome's Ancient Engineering Marvel, World's Tallest Man-Made Waterfall

The Cascata delle Marmore in Umbria, Italy, is a stunning man-made waterfall, created by the Romans in 271 BC. Standing at 165 meters (541 feet), it's the tallest man-made waterfall globally. Initially built to drain wetlands and potentially combat malaria, it's now a major tourist attraction. Centuries of modifications have shaped its current breathtaking appearance, even inspiring Lord Byron's poetry. Today, its waters power a hydroelectric plant, with viewing times carefully scheduled to balance tourism and energy production.

Read more

RubyGems.org's Multi-Layered Defense Against Malicious Gems

2025-08-26

RubyGems.org recently thwarted an attack involving malicious gems designed to steal social media credentials. Their success stems from a multi-layered security approach: automated detection (static and dynamic code analysis), risk scoring, retroactive scanning, and external intelligence. Upon detection, suspicious gems undergo manual review; confirmed malicious gems are removed and documented. In a recent incident, RubyGems.org removed most malicious packages before Socket.dev's report and actively collaborated on the investigation, demonstrating effective security response. The article encourages community participation in security maintenance and calls for corporate support of RubyGems.org's security efforts.

Read more
Development Malicious Gems

Trump Threatens Tariffs on Nations Regulating US Tech

2025-08-26
Trump Threatens Tariffs on Nations Regulating US Tech

Donald Trump threatened to impose additional tariffs on countries that regulate American tech companies. He claims digital taxes and similar measures harm US tech firms while giving Chinese companies a pass. This could lead to tech export bans, potentially hurting even US chipmakers. However, this threat might be another Trumpian bluster, possibly ending with no action or minor concessions through negotiations.

Read more
Tech

Tokyo's Major Train Stations: A Comprehensive List

2025-08-28

This list details many of Tokyo's crucial train stations, ranging from the bustling Akihabara to the tranquil Sugamo, encompassing major areas of the city. These stations connect to Tokyo's intricate transportation network, serving as indispensable hubs for exploring the metropolis. The list is incredibly useful for planning a trip to Tokyo or understanding its geographical layout.

Read more

Sole Maintainer of Popular Node.js Utility Raises Security Concerns

2025-08-28
Sole Maintainer of Popular Node.js Utility Raises Security Concerns

A Node.js utility, fast-glob, used by thousands of public projects and over 30 Department of Defense systems, is maintained solely by a Yandex employee residing in Russia. While fast-glob has no known vulnerabilities, its deep system access and the maintainer's affiliation with Yandex raise serious security concerns. Hunted Labs' report highlights the utility's 79+ million weekly downloads, exposing a vast attack surface. This incident underscores the critical importance of open-source security and the need to know who writes your code.

Read more

Amazon Sued Over 'Purchase' of Movies That Can Vanish

2025-08-26
Amazon Sued Over 'Purchase' of Movies That Can Vanish

A class-action lawsuit targets Amazon for allegedly misleading consumers into believing they're buying movies and TV shows outright when they're only purchasing limited-time licenses. The suit highlights the fine print buried in confirmation pages, contradicting the prominent use of the word "buy." This practice allegedly violates a recent California law mandating clear disclosure of revocable licenses. The lawsuit echoes concerns raised by gamers losing access to purchased games after server shutdowns, emphasizing the lack of transparency in digital content transactions.

Read more
Tech

Delphi TensorFlow Lite Image Classifier

2025-08-27
Delphi TensorFlow Lite Image Classifier

This Delphi code implements a simple TensorFlow Lite image classifier. It loads a model file, preprocesses image data from an Image1 component, and feeds the data to a TensorFlow Lite interpreter for inference. The inference results, probabilities for each class, are displayed in a ListView1 component. The code includes error handling and resource release mechanisms for stability.

Read more
Development Image Classification

Scala Capture Checking: The Tech Behind a Failed Talk

2025-08-26

This article recounts the author's failed presentation on capture checking at Scala Days 2025 and the subsequent deep dive into the technology. Capture checking aims to solve the problem of values escaping their intended scope, such as premature closure of resources in try-with-resource patterns. Scala implements capture checking by introducing 'capture sets', a type system feature that allows marking a type and all values it captures. The article details capture sets, subtyping, syntactic sugar, and the mechanisms for capturing functions and classes, exploring capture set behavior in type parameters. Ultimately, the author argues that while capture checking involves many details, it's a largely invisible feature for most developers, improving Scala's safety and enabling wider capabilities usage.

Read more
Development Capture Checking

Trump's Attempted Firing of Fed Governor Tests US Rule of Law

2025-08-26
Trump's Attempted Firing of Fed Governor Tests US Rule of Law

Donald Trump claims to have fired Federal Reserve Governor Lisa Cook, alleging mortgage fraud before her Fed tenure. However, evidence supporting this claim is weak and irrelevant to her Fed duties. The move is widely seen as an attempt by Trump to exert control over the Fed, replacing independent officials with loyalists, severely threatening the rule of law and the independence of the central bank. Cook's refusal to resign puts Fed Chair Jerome Powell at a crossroads: uphold the rule of law or succumb to power? The outcome will determine whether the US remains a nation governed by law.

Read more

From Ruby to Python: A Programmer's Evolving Preferences

2025-08-26

A seasoned Ruby programmer shares their journey of evolving programming language preferences. Initially, they cherished Ruby's elegance and conciseness, but over time, Python's improvements, especially the introduction of type hints and pattern matching, shifted their perspective. They found Python's strengths in team collaboration and ultimately chose it as their primary language, highlighting the importance of practicality and team dynamics in a programmer's language choice.

Read more
Development

Reverse-Engineered: High-Res Raspberry Pi Internal Scans Released

2025-08-26

Following Jonathan Clark's and TubeTime's reverse engineering efforts on the Raspberry Pi Zero 2 W and Compute Module 5 respectively, and their subsequent release of schematics and processes, the author discovered they possessed high-resolution Lumafield scans of most modern Raspberry Pi models (excluding the larger keyboard form factor Pis). These scans, offering detailed internal views, are now publicly available for community exploration and analysis.

Read more
Hardware 3D Scans

Perplexity Launches Comet Plus to Address AI Copyright Concerns

2025-08-26
Perplexity Launches Comet Plus to Address AI Copyright Concerns

AI startup Perplexity has launched a paid subscription service, Comet Plus, offering users premium content from trusted publishers and journalists while providing publishers with a fairer compensation model. Included in Perplexity's Pro and Max memberships, Comet Plus is also available as a standalone subscription for $5 per month. Perplexity has allocated $42.5 million to a revenue-sharing program, paying publishers 80% of revenue generated when their content is used by its Comet browser or AI assistant. This move addresses ongoing copyright infringement lawsuits against AI companies. Perplexity aims to foster partnerships with news publishers, balancing AI advancements with copyright protection.

Read more
Tech

Gemini 2.5 Flash Image: Google's AI Image Generation Breakthrough

2025-08-26
Gemini 2.5 Flash Image: Google's AI Image Generation Breakthrough

Google unveiled Gemini 2.5 Flash Image, a state-of-the-art image generation and editing model. It allows for blending multiple images, maintaining character consistency for richer storytelling, making precise transformations using natural language, and leveraging Gemini's world knowledge for image generation and editing. Priced at $30.00 per 1 million output tokens (approximately $0.039 per image), it's accessible via the Gemini API and Google AI Studio for developers, and Vertex AI for enterprises. Google AI Studio's 'build mode' has also been significantly updated to streamline app creation. Key features include character consistency, prompt-based image editing, and native world knowledge, opening new possibilities in image generation and manipulation.

Read more
AI

Exploring HTTPS Certificates for Onion Services: Enhancing Security and Functionality

2025-08-28

This document explores various methods for integrating and validating TLS/HTTPS certificates for Onion Services to enhance their security and functionality. While Onion Services inherently provide end-to-end encryption, HTTPS certificates unlock features like HTTP/2 and payment processing, bolstering security. The article details the pros and cons of existing CA validation, ACME for .onion, self-signed certificates, and innovative approaches such as self-validating certificates using the .onion private key and PKCS#11 modules. The ultimate goal is to seamlessly integrate Onion Services with modern web development.

Read more

Bitnami's Docker Hub Migration: Security Upgrade or Paywall?

2025-08-28
Bitnami's Docker Hub Migration: Security Upgrade or Paywall?

Bitnami is migrating its public Docker image repository to a new Bitnami Legacy repository and gradually rolling out the more secure Bitnami Secure Images (BSI). The migration will be phased, with temporary image service interruptions. Users can choose to migrate to BSI (partially free, but full functionality requires a paid subscription) or the Bitnami Legacy repository (temporary solution, with security risks). Bitnami explains this move as an effort to improve security and address the growing threat of open-source software vulnerabilities and new regulations. However, this move has also sparked controversy, with some arguing it's a strategy to shift from free to paid services.

Read more
Development

Anthropic's Claude Browser Extension: A Controlled Test for AI Safety

2025-08-27
Anthropic's Claude Browser Extension: A Controlled Test for AI Safety

Anthropic is testing a Chrome extension that allows its AI assistant, Claude, to interact directly within the browser. While this greatly enhances Claude's utility, it introduces significant safety concerns, primarily prompt injection attacks. Red-teaming experiments revealed a 23.6% attack success rate without mitigations. Anthropic implemented several safeguards, including permission controls, action confirmations, and advanced classifiers, reducing the success rate to 11.2%. Currently, the extension is in a limited pilot program with 1000 Max plan users to gather real-world feedback and improve safety before wider release.

Read more
AI
1 2 16 17 18 20 22 23 24 564 565