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AI-Powered Quant Trading Lab: Bridging Theory and Practice

2025-06-18

AI-Powered Quant Trading Lab: Bridging Theory and Practice

A research lab is building an AI-driven quantitative trading system leveraging the complex, data-rich environment of financial markets. Using first principles, they design systems that learn, adapt, and improve through data, with infrastructure built for rapid iteration, real-time feedback, and a direct link between theory and execution. Initially focusing on liquid markets like equities and options, their aim transcends better modeling; they seek a platform for experimentation where every result refines the theory-practice loop.

(www.ycombinator.com)

AI AI Quant Trading Financial Markets

Jujutsu: Rethinking Git's Workflow

2025-05-02

Say goodbye to cumbersome Git workflows! Jujutsu is a new version control system that unifies Git's commits, working copy, index, and stash into the concept of a "change," making code manipulation safer and more flexible. No more tedious staging area operations; Jujutsu automatically tracks all file modifications. Create new changes with `jj new`, safely abandon them with `jj abandon`, and easily merge or split changes with `jj squash` and `jj split`. Powerful `jj undo` functionality and operation logs let you experiment fearlessly. While collaboration differs slightly from Git, Jujutsu's local convenience dramatically increases development efficiency.

(zerowidth.com)

Development

Graphene's Surprising Superconductivity: A Glimpse of Room-Temperature Superconductors?

2025-02-07

Graphene's Surprising Superconductivity: A Glimpse of Room-Temperature Superconductors?

Physicists from Harvard and Northeastern Universities have unlocked secrets behind the superconductivity of twisted bilayer and trilayer graphene through ingenious experiments. They discovered that the kinetic inductance of these materials is unusually 'stiff', defying conventional superconductivity theories and potentially linked to quantum geometry. Even more exciting, the kinetic inductance of trilayer graphene resembles that of materials exhibiting superconductivity at higher temperatures, opening new avenues for research into room-temperature superconductors and potentially drastically reducing energy consumption in numerous devices. This research also presents new possibilities for fields like space exploration, such as creating smaller and lighter particle detectors.

(www.newscientist.com)

Tech superconductivity room-temperature superconductivity

Meru Health: Revolutionizing Healthcare, Tackling Mental Health Challenges

2025-04-01

Meru Health: Revolutionizing Healthcare, Tackling Mental Health Challenges

Founded in 2016, Meru Health aims to help and empower individuals struggling with mental health issues. This diverse team of scientists, engineers, clinicians, and entrepreneurs is dedicated to making treatment for depression, anxiety, and burnout accessible, effective, and outcome-driven. Their mission is deeply personal; driven by founders' losses to depression, they strive to aid those suffering.

(www.ycombinator.com)

Startup

Unlocking a Lost Empire: The Rise of the TLHdig Digital Hittite Corpus

2025-04-01

Boğazköy-Hattuša, a UNESCO World Heritage site in northern Turkey, was the capital of the Hittite Empire, a major power in the Late Bronze Age (ca. 1650-1200 BC). A groundbreaking digital tool, TLHdig, is revolutionizing access to this ancient civilization's vast textual legacy. Currently boasting over 22,000 XML documents containing nearly 400,000 transliterated lines of Hittite cuneiform texts – and constantly expanding – TLHdig allows researchers to search, filter, and analyze these invaluable sources. Integrated with other digital resources, TLHdig fosters collaboration and opens new avenues for research, including innovative AI applications. It serves as a cornerstone for both text editions and a wide range of research methodologies.

(www.sciencedaily.com)

Tech Hittite Language Ancient Near East

LLM Agent Auto-Discovers Enterprise IdP's OpenID Connect Configuration

2025-06-17

An LLM agent successfully discovered an enterprise Identity Provider's (IdP) OpenID Connect configuration based on a pre-configured issuer. A GET request to /.well-known/openid-configuration returned a JSON response containing crucial information, including authorization, token, and userinfo endpoints, JWKS URI, and supported scopes and grant types. Notably, the configuration supports the Token Exchange grant type (urn:ietf:params:oauth:grant-type:token-exchange), enhancing authentication flexibility.

(www.ietf.org)

Development

From SixthSense to Physics Research: A College Student's Tech Odyssey

2025-09-04

From SixthSense to Physics Research: A College Student's Tech Odyssey

A college student, starting with a reflection on human-computer interaction, attempts to replicate the SixthSense project, which launches his journey into Computer Science and Engineering. During his studies, he discovers a stronger interest in software engineering, particularly in building practical applications and solving real-world problems. He gets involved in physics research, using Docker to streamline software installation, and employing CNNs and Transformers for electron identification, ultimately shifting his major to Computer Science and Physics. This experience showcases his journey of exploring different technological fields, finding his interests and direction, and improving his skills through hands-on experience.

(blog.tdhttt.com)

Development physics research

JOVE Editor: A Cross-Platform Compilation and Installation Guide

2025-07-21

JOVE Editor: A Cross-Platform Compilation and Installation Guide

JOVE is a powerful and venerable text editor. This document details compiling and installing JOVE on UNIX/Linux/macOS/BSD/Cygwin systems. Installation involves unpacking the source code, installing build tools, running the `jmake.sh` build script (or manually configuring the Makefile), and selecting appropriate compiler options for your system. The guide covers configuration for various systems including Debian, Alpine, macOS, FreeBSD, and more, along with handling of system-specific versions. Further, the document describes JOVE features, usage, and known issues.

(github.com)

Development compilation

Corebooting My Thinkpad T420: A Tale of Woe

2025-04-09

This post details the author's arduous journey of installing Coreboot on a Thinkpad T420. From the painstaking disassembly of the robust laptop, to wrestling with finicky IC clip connections and battling UEFI compatibility issues during Coreboot compilation, the process proved exceptionally challenging. While the author ultimately succeeded in flashing Coreboot and achieved faster boot times, several functionalities, including Windows XP booting, the hardware clock, and other payloads, are now broken. The author expresses uncertainty about continued Coreboot usage unless a CPU upgrade is pursued.

(lilysthings.org)

Hardware

Shazam for Leopards: Identifying Big Cats by Their Roars

2025-01-18

Shazam for Leopards: Identifying Big Cats by Their Roars

Researchers in Tanzania have developed a groundbreaking technique to identify individual leopards by analyzing the unique patterns in their roars. By sifting through 75,000 hours of acoustic data, they achieved 93% accuracy in identifying individual leopards. This innovative method overcomes the limitations of traditional tracking techniques, offering a powerful new tool for conservation efforts, especially crucial given the increasing habitat loss. The study highlights the potential of bioacoustics in wildlife conservation.

(nautil.us)

Tech bioacoustics wildlife conservation leopard

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.

(www.laphamsquarterly.org)

Tech

AirBending: Plug-and-Play MIDI Controller for Universal Compatibility

2025-07-05

AirBending: Plug-and-Play MIDI Controller for Universal Compatibility

AirBending is a revolutionary MIDI controller offering seamless compatibility with popular DAWs like Logic Pro and Ableton Live, requiring no special drivers or plugins. Control external hardware synthesizers, software instruments, and effects processors with ease. Its advanced preset manager allows for customized gesture-to-music mapping, offering flexibility for both one-handed and two-handed control. Features include MIDI channel control, musical scale selection, and custom CC assignment for precise control over synth parameters like filters, effects, volume, and modulation, making it ideal for studio and live performance.

(www.nanassound.com)

Development MIDI controller gesture control

Java to Strengthen Immutability of Final Fields

2025-03-31

To enhance the safety and performance of Java programs, the JDK plans to strengthen the immutability of final fields. Currently, deep reflection can modify final fields, which violates the original intention of the final keyword and limits JVM optimization. Future releases will default to prohibiting deep reflection from modifying final fields and will issue warnings. Developers can selectively enable modification of final fields using the `--enable-final-field-mutation` option, but it is recommended to avoid it as much as possible. This move aims to improve Java's "security by default" feature and maintain consistency with the design of record classes.

(openjdk.org)

Development final fields deep reflection

Boulette: Accidental Server Shutdown Prevention

2025-01-10

Boulette: Accidental Server Shutdown Prevention

Late-night coding, you instinctively type `shutdown -h now`, only to realize you've shut down your production server instead of your local machine! Enter Boulette, a tool that prevents accidental shutdowns and other dangerous commands by prompting for confirmation. Customize the challenge type – requiring a hostname, random numbers, or characters – before execution. It's particularly useful for SSH sessions and offers easy alias creation for enhanced server management security and convenience.

(github.com)

Development command-line server management

California's Record-Breaking VPP Test: 100,000 Homes Power the Grid

2025-08-10

California's Record-Breaking VPP Test: 100,000 Homes Power the Grid

California's largest electric utilities, in partnership with Tesla and a leading solar installer, conducted a groundbreaking test of virtual power plant (VPP) technology. Over 100,000 homes contributed power from their residential batteries, delivering 535 megawatts to the state grid during peak demand—equivalent to a large hydroelectric dam. This success demonstrates the potential of VPPs to address the challenges of data center growth, heatwave blackouts, and reliance on fossil fuels. While enrollment complexities remain, VPPs are poised for rapid expansion, offering a cost-effective and cleaner energy solution for California and beyond.

(www.yahoo.com)

Tech virtual power plant home batteries

Three.js Dynamic LOD: A Nanite-Inspired Approach

2025-02-07

Three.js Dynamic LOD: A Nanite-Inspired Approach

This project attempts to reproduce a dynamic LOD system in Three.js, similar to Unreal Engine 5's Nanite. It starts by clustering a mesh into meshlets, grouping adjacent meshlets, merging them (shared vertices), simplifying the mesh using meshoptimizer (halving triangles, max 128), and finally splitting it (currently into 2, aiming for N/2). The project is early-stage; future work includes improving LODs, DAG cuts, and streaming geometry to the GPU. Research includes Nanite, multiresolution structures, and batched multi-triangulations.

(github.com)

Development

Two Slice: A 2px High, Surprisingly Readable Font

2025-09-14

Two Slice is a font that's only 2 pixels tall, yet surprisingly readable! It includes uppercase and lowercase letters (with slight variations), numbers (of sorts), and some punctuation. You can probably read this, even if you wish you couldn't. It's especially readable at smaller sizes. The font is licensed under CC BY-SA, allowing commercial use with attribution.

(joefatula.com)

Design

Red Hat Hits Key Milestone in Automotive Safety Certification

2025-01-07

Red Hat announced a significant step towards ISO 26262 ASIL-B certification for its Red Hat In-Vehicle Operating System (IVOS), achieving functional safety certification for mixed criticality. This milestone validates Red Hat's commitment to providing innovative, native Linux-based functional safety for vehicles. The certification not only verifies the safety of IVOS but also paves the way for greater customer confidence in future automotive deployments.

(www.redhat.com)

Tech Automotive OS

Surprisingly Stable: Dyson Spheres and Ringworlds in Binary Systems

2025-03-22

Surprisingly Stable: Dyson Spheres and Ringworlds in Binary Systems

Science fiction staples, Dyson spheres and ringworlds, are typically considered gravitationally unstable and prone to collapse. However, a new study from Colin McInnes at the University of Glasgow reveals that specific configurations of these megastructures near a binary star system can, in fact, be stable. McInnes identified seven equilibrium points around a binary system where a ring structure could maintain stability. This research has significant implications for the Search for Extraterrestrial Intelligence (SETI), potentially guiding future surveys to look for bright stars orbiting with objects exhibiting strong infrared excesses—a potential technosignature indicating such megastructures.

(phys.org)

Tech Dyson Sphere Ringworld Gravitational Stability

Linux SD Card Formatter: Optimized for Performance

2025-08-25

Linux SD Card Formatter: Optimized for Performance

The SD Memory Card Formatter, developed by Tuxera, is a Linux-based utility designed to format SD, SDHC, SDXC, and SDUC cards according to SD Association specifications. It's recommended over OS-provided tools for optimal performance. Note that it doesn't support BitLocker To Go encrypted cards and leaves the protected area untouched. Supports various Linux distributions and SD interfaces. Download and manual available on the official website.

(www.sdcard.org)

Hardware SD card formatting tool

The Secret Crisis in American Elementary Reading Instruction: The Debunked 'Three-Cueing' System

2025-08-03

The Secret Crisis in American Elementary Reading Instruction: The Debunked 'Three-Cueing' System

This article exposes a long-standing problem in American elementary reading instruction: the widely used 'three-cueing' system. This method, which teaches children to guess words using pictures, grammar, and context, has been debunked by cognitive science. Research shows skilled readers rely on quick and accurate word recognition, while three-cueing hinders this development by encouraging guessing. The article uses a mother's personal experience and extensive research to argue for a shift away from this outdated approach and towards scientifically-backed phonics instruction, ensuring children develop true reading proficiency. The consequence of this flawed system is a shocking number of children who struggle to read, impacting their overall development and future prospects.

(www.apmreports.org)

Education reading instruction

Corporate Software Piracy: The Invisible Hand

2025-03-06

Corporate Software Piracy: The Invisible Hand

This article exposes a hidden truth: widespread corporate use of pirated software, often without consequence. From a National Guardsman in Iraq downloading pirated Microsoft software for a quick network setup to small business owners using cracked software to save costs, and employees in large companies using pirated software to meet deadlines, the author argues that software piracy is ubiquitous in businesses. Companies leverage employee actions and complex workflows to shift the risk of piracy onto individual employees, reaping all the benefits with zero risk. This invisible hand benefits proprietary software companies by preventing businesses from scrutinizing licensing, reducing the urgency to streamline processes or explore open-source alternatives.

(davegutteridge.com)

Startup software piracy corporate behavior

Patience: A Coping Mechanism, Not a Virtue?

2025-03-28

Patience: A Coping Mechanism, Not a Virtue?

A new study suggests that patience isn't a virtue, but rather a coping mechanism for everyday frustrations. Researchers conducted three experiments revealing three key triggers for impatience: prolonged unpleasant situations, the importance of the goal, and perceived blame. However, individual differences, such as impulsivity, emotional awareness, flexibility, and agreeableness, significantly impact one's ability to manage impatience. This research offers a novel perspective on patience, suggesting it's a strategy for dealing with frustration, not an inherent personality trait.

(www.bps.org.uk)

Misc patience emotion regulation

Migrate From OpenAI to Cerebrium: Cost-Predictable AI Inference in Two Lines of Code

2025-07-22

Migrate From OpenAI to Cerebrium: Cost-Predictable AI Inference in Two Lines of Code

This guide demonstrates migrating an AI application from OpenAI's convenient APIs to Cerebrium's serverless AI infrastructure. By changing just two lines of code, you can switch from OpenAI's token-based billing to Cerebrium's time-based pricing, enabling cost predictability. The tutorial walks through building an OpenAI chatbot, configuring a Cerebrium endpoint using vLLM and the open-source Llama 3.1 model, and adding performance and cost tracking to compare both approaches. The migrated application runs on your infrastructure, offering greater flexibility, control, and data privacy.

(ritza.co)

Development model migration

It's DE9, Not DB9: A Tale of Misnamed Connectors

2025-07-26

For years, we've incorrectly called the 9-pin serial connector a DB9, but its correct name is DE9. This article explains the naming discrepancy. D-SUB connector naming follows a pattern: the first letter 'D' represents the D-shaped metal shield, the second letter specifies the shell size, and the following number indicates the pin count. DB denotes a 25-pin shell, while DE denotes a 9-pin shell. While DB9 has become the de facto name, it's technically wrong. SparkFun's new product uses the correct name, DE9, to correct this longstanding error and educate users on the proper technical terminology.

(news.sparkfun.com)

Hardware electronic components connectors

macOS Malware Scans Slowing App Launches

2025-05-01

Developer Jeff Johnson discovered that macOS's syspolicyd process performs malware scans on applications, causing slow launches for apps like Xcode, FileMerge, and Google Chrome. These scans consume significant CPU resources, leading to noticeable delays even for small apps. Johnson suspects syspolicyd scans not only the app itself but also its linked libraries. He resolved the issue by disabling System Integrity Protection (SIP), but this also disables some system services. The article explores the root cause and expresses frustration with this seemingly unnecessary security measure, preferring background scans to foreground interruptions.

(lapcatsoftware.com)

Development malware scan slow app launch

Eval in Racket: A Powerful Tool, But Use with Caution

2025-05-30

This article delves into the advantages and disadvantages of the `eval` function in dynamic languages, particularly its use in Racket. Using vivid analogies, the author compares `eval` to relaying instructions to another person, highlighting how its use increases program complexity and reduces understandability due to language translation and environmental dependencies. While acknowledging that `eval` is sometimes necessary, such as when interacting with external systems, the author emphasizes the need for cautious use and clear context definition. In Racket, `eval`'s behavior is heavily influenced by the execution environment, demanding careful namespace management. Ultimately, `eval` is a powerful tool, but one that demands careful and considered application.

(blog.racket-lang.org)

Development dynamic languages

Narrative Jailbreaking: A Fun and Profitable Experiment with AI Chatbots

2024-12-23

Narrative Jailbreaking: A Fun and Profitable Experiment with AI Chatbots

This blog post details an engaging experiment where the author 'jailbreaks' a character-based AI chatbot called 'Psychologist' by cleverly pushing its narrative boundaries. Through persistent, narratively consistent prompts, the author transcends the chatbot's pre-programmed persona, ultimately leading to a shared, imaginative journey into another dimension. This playful interaction highlights the internal consistency and narrative capabilities of Large Language Models (LLMs) and offers insights into future human-AI interactions.

(interconnected.org)

AI Chatbots Narrative Jailbreaking

Argparse's Mutually Exclusive Group Nesting Limitation: A Frustrating Conundrum

2025-06-14

Python's argparse module, while offering convenient features for handling command-line arguments, including mutually exclusive groups, has a frustrating limitation when it comes to nesting. Consider a program with multiple timeout settings where users can either adjust individual timeouts or disable them entirely. Argparse doesn't support nesting a 'no-timeout' option within a group of individual timeout options, making configuration cumbersome. While you can nest a mutually exclusive group inside a regular group, the reverse isn't supported, and the official documentation explicitly states this limitation. This forces developers to manually check if specific switches were used, adding complexity.

(utcc.utoronto.ca)

Development

Fine-tuning LLMs: Knowledge Injection or Destructive Overwrite?

2025-06-11

Fine-tuning LLMs: Knowledge Injection or Destructive Overwrite?

This article reveals the limitations of fine-tuning large language models (LLMs). The author argues that for advanced LLMs, fine-tuning isn't simply knowledge injection but can be destructive, overwriting existing knowledge structures. The article delves into how neural networks work and explains how fine-tuning can lead to the loss of crucial information within existing neurons, causing unexpected consequences. The author advocates for modular approaches such as retrieval-augmented generation (RAG), adapter modules, and prompt engineering to more effectively inject new knowledge without damaging the model's overall architecture.

(codinginterviewsmadesimple.substack.com)

AI Fine-tuning Knowledge Injection

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