Japan develops a method to recover up to 90% of lithium from used EV batteries

352 donohoe 2026-07-14 02:37:42 UTC tech.supercarblondie.com Qwen Share 85

Japanese scientists developed a 90% lithium recovery method from EV batteries using lithium hydroxide, surpassing traditional 50% rates and cutting emissions by 40%. This innovation could reduce Japan's mineral imports, stabilize supply chains, and scale globally by 2035, despite current low recycling rates needing improvement.

YouTrackDB is a general-use object-oriented graph database

90 gjvc 2026-07-14 04:37:42 UTC github.com/jetbrains Qwen Share 22

YouTrackDB, a JetBrains-developed object-oriented graph database, offers O(1) link traversal, ACID transactions, and supports Gremlin/YQL for queries. Join their Zulip community or use Maven/Docker for installation to leverage its production-ready, secure, and scalable design.

The Git history command deserves more attention

240 turbocon 2026-07-14 01:37:42 UTC lalitm.com Qwen Share 136

The user struggles with Git's complex parallel workflows and explores jj but finds Git's new `history` commands (fixup, reword, split) promising for painless history rewriting without switching tools. While limited by merge conflicts and stateful operations, these atomic, branch-aware features reduce the need for jj's advanced conflict handling, offering incremental improvements within Git's ecosystem.

Fundamentals of Wireless Communication (2005)

114 teleforce 2026-07-14 02:37:42 UTC web.stanford.edu Qwen Share 3

This textbook offers a unified wireless communication foundation, covering MIMO, OFDM, and CDMA with real-world examples, aimed at graduate students and engineers. It includes exercises, instructor resources, and is adopted globally by universities and institutions, with authors offering short courses.

How to build a circular LCD clock

63 birdculture 2026-07-14 03:37:42 UTC blinry.org Qwen Share 19

Built a 7-inch LCD wall clock with Raspberry Pi 3B+, featuring multi-touch, custom clock faces, and software-controlled brightness. Used HDMI/USB for connectivity, resolved power issues with official Pi supply, and added Swiss railway clock functionality with automatic day/night dimming.

Building and shipping Mac and iOS apps without opening Xcode

432 speckx 2026-07-13 18:37:42 UTC scottwillsey.com Qwen Share 188

Use Xcode's CLI tools (xcodebuild, notarytool) and XcodeGen to automate Mac/iOS app builds, avoiding Xcode GUI entirely via scripts like release.sh. LLMs like Claude Code streamline setup, handle certificate management, and generate workflows for signing, notarization, and deployment without manual GUI steps.

The Economics of Recursive Self-Improvement [pdf]

77 apsec112 2026-07-14 01:37:42 UTC elasticity.institute Qwen Share 19

The study models AI's recursive self-improvement through feedback loops, showing current acceleration is insufficient but improving. They use elasticity-based graphs to analyze factors like algorithmic efficiency and bottlenecks, distinguishing narrow vs. broad capabilities.

Apple's new SpeechAnalyzer API, benchmarked against Whisper and its predecessor

524 get-inscribe 2026-07-13 16:37:42 UTC get-inscribe.com Qwen Share 210

Apple's new SpeechAnalyzer surpasses Whisper models and its legacy API, achieving 3.5-4x lower word error rates and 3x faster processing on M2 Pro, making it the top on-device English transcription engine for current Apple devices. It supports fewer languages than Whisper but offers superior accuracy and speed for English, prompting Inscribe to prioritize it for compatible languages while ...

Is x86 ready to ACE it?

60 mfiguiere 2026-07-14 01:37:42 UTC chipsandcheese.com Qwen Share 8

Intel's AMX and ACE extensions optimize CPU matrix operations for ML via tile registers and outer product instructions, contrasting Arm's SME, which uses scalable vectors and distinct scaling methods, differing in data handling and hardware design approaches.

Satellite Tracker – Live Map of Starlink and 30k Satellites

69 rolph 2026-07-14 02:37:42 UTC satellitemap.space Full Share 22

Track satellites in real-time on an interactive 3D map. See Starlink trains, space stations, rocket bodies, and satellite passes visible from your location.

An Englishwoman who sketched India before photography took hold

126 1659447091 2026-07-13 23:37:42 UTC bbc.com Qwen Share 37

Emily Eden, a 19th-century British artist, captured India's diverse people and landscapes in detailed sketches during her 1830s travels, later published and exhibited in Delhi. Her work, blending colonial context with cultural observation, remains a rare artistic record of India's pre-Victorian era.

MorphoHDL: A minimalistic language for growing circuits

56 jacktang 2026-07-14 01:37:42 UTC paradigms-of-intelligence.github.io Full Share 7

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World-First 'Super Alloy' Could Transform the Way Metals Are Made

52 tejohnso 2026-07-14 00:37:42 UTC sciencealert.com Qwen Share 26

Scientists developed a new alloy-making method using low-temperature baking, creating a super-strong material twice as strong as steel. The self-organized atomic structure offers scalable, defect-free alloys with potential for aerospace and energy sectors.

What will be left for us to work on?

112 randomwalker 2026-07-14 02:37:42 UTC normaltech.ai Qwen Share 104

The speaker argues AI's impact follows a gradual "Normal Technology" framework, requiring societal adaptation rather than sudden job displacement, emphasizing collaboration over automation and highlighting the slow, complex transformation of work structures akin to past industrial shifts.

Our Amish Language

33 NaOH 2026-07-14 03:37:42 UTC thedial.world Qwen Share 13

The Amish community's modernization has eroded Pennsylvania Dutch, driving my oral history project to document linguistic and cultural shifts. Intergenerational changes, English integration, and evolving identities reveal a complex transition from tradition to contemporary life.

Jektex 0.2.0 – A Jekyll plugin for LaTeX rendering is now ~10x faster

4 yagarea 2026-07-14 06:37:42 UTC github.com/yagarea Prefix Share 1

A Jekyll plugin for blazing-fast server-side cached LaTeX rendering, with support for macros. Enjoy the comfort of LaTeX and Markdown without cluttering your site with bloated JavaScript. This project is endorsed by KaTeX.org. Leaves LaTeX inside code blocks and inline code untouched, so you can write about LaTeX Lorem ipsum dolor sit amet, consectetur ...

Writing a bindless GPU abstraction layer

31 surprisetalk 2026-07-14 04:37:42 UTC kevin-gibson.com Qwen Share 1

Loon GPU is a simplified graphics API built on Vulkan and Metal, using GPU pointers and eliminating buffer objects to reduce complexity. It faces shader compilation and cross-platform challenges but aims to streamline GPU programming by abstracting low-level details, remaining experimental with ongoing improvements.

The infinite scroll may become endangered if controversial Calif. law passes

148 Stratoscope 2026-07-13 19:37:42 UTC sfgate.com Full Share 260

A required part of this site couldn’t load. This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser.

Two Case Studies of NaN

5 ryantsuji 2026-07-14 05:37:42 UTC sebsite.pw Prefix Share 0

IEEE-754 NaN is weird. and because of that, it's often accidentally left unaccounted for. i found two instances of this leaking into programming language design. that is, the semantics of these languages hold implicit assumptions which break with NaN. as an optimization, when comparing lists for equality, elements are first compared by identity. they're only checked for equality if ...

OpenAI's Ad Business Is on Pace to Miss Its Own Forecast by 90%, Analyst Says

30 EvgeniyZh 2026-07-14 05:37:42 UTC adweek.com Qwen Share 11

OpenAI's ad revenue is projected to fall 90% short of its $2.5B 2024 target, with Emarketer forecasting under $1B from chatbots this year and $5.41B by 2030, far below OpenAI's $100B ambition. The forecast hinges on unrealistic assumptions about capturing search ad budgets and dominating chatbot ads.

Building Food Metadata with LLM Juries

30 tie-in 2026-07-14 02:37:42 UTC careersatdoordash.com Full Share 8

Please confirm your reservation.

Linux on the Sega 32X. Who needs hardware synchronization primitives anyway?

121 cakehonolulu 2026-07-13 18:37:42 UTC cakehonolulu.github.io Qwen Share 23

The author ported Linux to the Sega 32X to enhance board bringup skills, overcoming hardware limitations via SDK examples, FPGA flash carts, and custom synchronization solutions like Peterson's algorithm. Challenges included cross-compilation fixes, memory constraints, and implementing inter-CPU communication, resulting in a functional albeit slow Linux system with a console display.

Show HN: Sx 2.0 – Share AI skills with your team through a Dropbox folder

34 detkin 2026-07-13 23:37:42 UTC sleuth-io.github.io Qwen Share 29

sx 2.0 is a native Mac/Windows/Linux app enabling teams to share AI skills via synced folders (Dropbox, etc.), bypassing Git/CLI. It introduces versioned markdown vaults, collections, and plugins for AI client integration, empowering non-technical users to distribute skills effortlessly.

Ancient Roman Board Game

119 nobody9999 2026-07-13 17:37:42 UTC ludus-coriovalli.web.app Qwen Share 45

Ludus Coriovalli, an ancient Roman asymmetric board game featuring four Hounds blocking two Hares, was reconstructed via AI and wear analysis of a 2,000-year-old stone in the Netherlands. A 2025 Antiquity study confirmed its rules by linking play patterns to a cooperative blocking game design.

SalesPatriot (YC W25) Is Hiring Full Stack Engineers (SF)

0 2026-07-13 21:37:42 UTC jobs.ashbyhq.com Qwen Share

Replacing outdated systems with an AI-native platform for defense/aerospace supply chains, this role involves building integrated systems with legacy environments. Senior Software Engineers need full-stack project experience, SQL proficiency, and problem-solving skills to drive autonomous operations.

Show HN: I implemented a neural network in SQL

86 alxmrs 2026-07-13 20:37:42 UTC github.com/xqlsystems Qwen Share 17

A 28x28 image model uses flattened indices, skips zero-weight rows, and computes pre-activation layers (z = W @ a + b) with gradient updates (weight/bias - lr * gradient). Trained parameters are stored as xarrays, preserving layer shapes and biases per output dimension.

Show HN: Hackney – Compare Uber, Lyft, Waymo, and Robotaxi Prices

44 griffinli 2026-07-13 22:37:42 UTC hackney.app Full Share 36

The ultimate ride app. See prices from Uber and Lyft.

Show HN: Jacquard, a programming language for AI-written, human-reviewed code

81 jbwinters 2026-07-13 20:37:42 UTC github.com/jbwinters Qwen Share 44

Jacquard is a FriendMachine research project for effect-tracking, probabilistic programming, and structural identity in a small language with a test framework (Warp). Version 0.1 includes a repair demo using Bayesian inference and is a non-production prototype with OCaml tools and C backend.

TFTP Honey Pot Results

79 speckx 2026-07-13 19:37:42 UTC bruceediger.com Qwen Share 34

A TFTP honey pot over 35 days captured mostly infosec company scans (e.g., Palo Alto, Censys) probing for TFTP servers via file requests like "a" or "pxelinux.0," revealing automated server identification efforts rather than malicious exploitation. Despite varied patterns, most traffic aimed to detect TFTP server presence, with limited CVE exploitation attempts observed.

A Study of Microsoft's Early 2026 Rollout of Claude Code and GitHub Copilot CLI

56 softwaredoug 2026-07-13 22:37:42 UTC arxiv.org Qwen Share 35

Organizations adopting agentic CLI tools should prioritize social network-driven adoption, as Microsoft's 2026 study found first use spread via peer networks, retention linked to coding activity, and adopters merged 24% more pull requests. These tools' impact persisted over four months, suggesting they enhance output beyond novelty, necessitating peer visibility in rollout strategies.