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

115 donohoe 2026-07-14 02:30:59 UTC tech.supercarblondie.com Qwen Share 26

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.

Fundamentals of Wireless Communication

63 teleforce 2026-07-14 02:30:59 UTC web.stanford.edu Qwen Share 2

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.

The Git history command deserves more attention

127 turbocon 2026-07-14 01:30:59 UTC lalitm.com Qwen Share 83

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.

Building and shipping Mac and iOS apps without opening Xcode

361 speckx 2026-07-13 18:30:59 UTC scottwillsey.com Qwen Share 157

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]

40 apsec112 2026-07-14 02:30:59 UTC elasticity.institute Qwen Share 1

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

492 get-inscribe 2026-07-13 16:30:59 UTC get-inscribe.com Qwen Share 195

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 ...

An Englishwoman who sketched India before photography took hold

85 1659447091 2026-07-13 23:30:59 UTC bbc.com Qwen Share 23

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.

Is x86 ready to ACE it?

27 mfiguiere 2026-07-14 02:30:59 UTC chipsandcheese.com Qwen Share 1

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

26 rolph 2026-07-14 02:30:59 UTC satellitemap.space Full Share 5

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

Agents.md – Dumb Human

24 modinfo 2026-07-14 03:30:59 UTC gist.github.com Embed Share 3

MorphoHDL: A minimalistic language for growing circuits

37 jacktang 2026-07-14 01:30:59 UTC paradigms-of-intelligence.github.io Full Share 1

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

31 tejohnso 2026-07-14 00:30:59 UTC sciencealert.com Qwen Share 16

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.

Building Food Metadata with LLM Juries

19 tie-in 2026-07-14 02:30:59 UTC careersatdoordash.com Full Share 3

Please confirm your reservation.

What will be left for us to work on?

66 randomwalker 2026-07-14 02:30:59 UTC normaltech.ai Qwen Share 63

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.

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

121 Stratoscope 2026-07-13 19:30:59 UTC sfgate.com Full Share 199

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.

Our Amish Language

8 NaOH 2026-07-14 03:30:59 UTC thedial.world Prefix Share 0

As my community modernized, we used Pennsylvania Dutch less and less. Now I’m trying to preserve it. There are linguistic tics and habits that give away formerly Amish people immediately. I remember, for example, when I trained myself into saying “seven” instead of “saven.” I still think of it sometimes when I say the word, how it used to sound on my tongue, slow and sloping instead of quick ...

How to build a circular LCD clock

5 birdculture 2026-07-14 03:30:59 UTC blinry.org Qwen Share 0

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.

Turn your singing voice into printable notes (in the browser)

33 busssard 2026-07-14 00:30:59 UTC om-intelligence.ch Qwen Share 13

This tool records sung pitches on a metronome grid, using re-attack sensitivity to split notes based on volume dips, with red stems indicating new notes. Headphones prevent mic bleed, while a noise gate and pitch tolerance filter out unwanted sounds and slides.

The art and engineering of Sega CD Silpheed

236 ibobev 2026-07-13 15:30:59 UTC fabiensanglard.net Qwen Share 50

Silpheed's Mega-CD FMV optimized tile reuse, 16-color palettes, and tilemap compression to deliver cinematic video despite 90s hardware limits, with reverse-engineering uncovering 7.5fps compression and ASIC tricks for efficient playback.

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

25 detkin 2026-07-13 23:30:59 UTC sleuth-io.github.io Qwen Share 25

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.

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

0 2026-07-13 21:30:59 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: YouTube Guitar Tab Parser

86 neogenix 2026-07-13 20:30:59 UTC github.com/marcelpanse Qwen Share 55

The tool automates converting YouTube videos to PDF tablature by sampling frames, using AI to detect and crop tab regions, deduplicating by bar numbers, and compiling into a PDF with the video title as metadata. It requires no configuration and outputs to out/<video-title>.pdf.

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

39 griffinli 2026-07-13 23:30:59 UTC hackney.app Full Share 29

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

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

110 cakehonolulu 2026-07-13 18:30:59 UTC cakehonolulu.github.io Qwen Share 22

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: RandoFont – A browser for Google Fonts

29 aleshh 2026-07-14 00:30:59 UTC randofont.alesh.com Full Share 5

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

65 jbwinters 2026-07-13 20:30:59 UTC github.com/jbwinters Qwen Share 36

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.

Success may not matter if you aren't doing what you love

55 theahura 2026-07-14 00:30:59 UTC 12gramsofcarbon.com Qwen Share 18

Founder market fit, shaped by culture, personality, and environment, is as critical as product-market fit, determining a founder's ability to connect with customers and sustain long-term commitment. Aligning personal traits with market demands—like introverts favoring digital-first sales or technical founders serving niche communities—creates sustainable success, while mismatches often lead ...

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

44 softwaredoug 2026-07-13 22:30:59 UTC arxiv.org Qwen Share 23

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.

Show HN: I implemented a neural network in SQL

67 alxmrs 2026-07-13 20:30:59 UTC github.com/xqlsystems Qwen Share 14

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.

TFTP Honey Pot Results

66 speckx 2026-07-13 19:30:59 UTC bruceediger.com Qwen Share 30

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.