We Know Simple Fluids Can Flow. Turns Out, Some Can Fracture

77 Anon84 2026-07-12 02:34:54 UTC quantamagazine.org Qwen Share 35

Thamires Lima discovered a nonelastic fluid can fracture like brittle solids, defying theories that elasticity causes fluid cracking. This challenges assumptions about stress-induced fluid failure, with potential impacts on engineering, medicine, and material science.

Mesh LLM: distributed AI computing on iroh

184 tionis 2026-07-11 23:34:54 UTC iroh.computer Qwen Share 42

Mesh LLM enables distributed GPU pooling for OpenAI-compatible APIs, offering control, cost efficiency, and peer-to-peer networking via iroh, avoiding centralized cloud lock-in. It splits models across devices, supports private/public deployment, and uses decentralized QUIC connections for seamless, scalable inference.

Show HN: Ant – A JavaScript runtime and ecosystem

231 theMackabu 2026-07-11 20:34:54 UTC antjs.org Qwen Share 101

Ant uses Hono for isolated module initialization without an HTTP server, enabling 40x faster package installation and secure execution via VM sandbox. It leverages ants.land registry with npm protocol support, offering ESM compatibility and cross-manager package management.

RISCBoy is an open-source portable games console, designed from scratch

106 mariuz 2026-07-11 22:34:54 UTC github.com/wren6991 Qwen Share 17

A Gameboy Advance-inspired RISC-V processor in Verilog for iCE40-HX8k FPGA, supporting RV32IMC and compliance tests. Requires RISC-V toolchain setup, simulation with ISIM, and PCBs for prototyping.

I Did Not Kill Stanley Lieber: How to Draw (With 9front)

43 c-c-c-c-c 2026-07-12 00:34:54 UTC triapul.cz Qwen Share 10

This document explains how to draw on 9front using various input devices like mice, tablets, and touchscreens, focusing on the paint(1) program for digital art creation. It covers techniques for image manipulation, file conversion to formats like PNG, and methods for sharing artwork via external drives or network connections.

Text Art Tools

10 surprisetalk 2026-07-12 04:34:54 UTC hlnet.notion.site Full Share 1

A collaborative AI workspace, built on your company context. Build and orchestrate agents right alongside your team's projects, meetings, and connected apps.

Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom

221 adletbalzhanov 2026-07-11 17:34:54 UTC io-fund.com Qwen Share 72

Neoclouds like CoreWeave and Nebius grow via hyperscaler demand for AI infrastructure, leveraging Nvidia GPUs and optimizing compute utilization. However, rapid expansion relies on high debt and circular financing with Nvidia, risking sustainability amid cash flow gaps and macroeconomic pressures.

An agent in 100 lines of Lisp

103 jamiebeach 2026-07-12 01:34:54 UTC thebeach.dev Qwen Share 6

The author revisits Lisp's role in 1990s symbolic AI, now experimenting with its code-as-data feature to build a minimalist AI agent that dynamically generates and executes tools via recursion, contrasting modern fixed-agent frameworks. This approach mirrors human learning through memory-driven skill rehydration, suggesting Lisp's enduring relevance in agent design.

A pure scheme web programming tool

76 guenchi 2026-07-12 01:34:54 UTC goeteia.dev Qwen Share 20

The Scheme compiler is self-hosted, using unboxed fixnums, GC structs, and hygiene via renaming, with fast variadic calls and Wasm-based continuations. It integrates web APIs (HTML, WebGL, JS FFI) and reactive systems, enabling RPC with exact s-expression data and efficient rendering.

Why Write Code in 2026

27 zdw 2026-07-12 04:34:54 UTC softwaredoug.com Qwen Share 8

Building a software factory with AI agents demands human hands-on coding to ensure quality and architectural clarity, as writing code fosters ownership, precision, and proactive system improvement beyond automated processes.

EF Core 11 makes your split queries faster

14 rellem 2026-07-12 03:34:54 UTC steven-giesel.com Qwen Share 1

EF Core 11 optimizes AsSplitQuery by splitting queries to avoid JOINs, reducing redundant data and improving performance. It prunes unnecessary JOINs/ORDER BYs in collection queries but may introduce non-atomic state risks; benchmarks compare EF 10/11 with .NET version changes.

The Energetic Costs of Cellular Computation (2012)

17 lioeters 2026-07-12 02:34:54 UTC arxiv.org Qwen Share 1

Cells expend energy to compute ligand concentrations using noisy two-component networks, with greater learning requiring higher energy costs. This energy constraint impacts resource-poor systems like bacterial spore germination networks.

Under federal rule, colleges must leave grads better off or lose financial aid

43 nradov 2026-07-12 04:34:54 UTC npr.org Qwen Share 59

The U.S. Department of Education's new "do no harm" test links federal student loans to graduate earnings, risking funding for programs where graduates don't outearn non-graduates. Critics argue it overlooks arts and creative fields' cultural value and long-term career impacts, despite most programs passing initial thresholds.

UPI: Anatomy of a Payment Transaction

149 prtk25 2026-07-11 16:34:54 UTC timeseriesofindia.com Qwen Share 57

UPI payments involve apps, sponsor banks, and NPCI's central switch, with money debited before crediting, ensuring reliability despite hidden complexity. Over 2,272 crore transactions in June 2026 highlight its scale, with failures mostly due to user errors, not system flaws.

Billions of Sketches Reveal Hidden Cultural Variation in Human Concepts

79 Anon84 2026-07-11 20:34:54 UTC arxiv.org Qwen Share 10

Analyzing 2.6B sketches from 236 countries reveals greater cross-cultural conceptual variation than linguistic methods, especially for haptic concepts. Visual representations show 45% stronger alignment with cultural distances than text, suggesting modality shapes perceived universality.

We scaled PgBouncer to 4x throughput

197 saisrirampur 2026-07-11 15:34:54 UTC clickhouse.com Qwen Share 39

Using multiple PgBouncer processes with SO_REUSEPORT and peering leverages all CPU cores, achieving 4x throughput vs. a single process. This setup avoids pooler bottlenecks, maximizing resource use under high concurrency.

A Erlang style pure Scheme Webserver and further

53 guenchi 2026-07-12 01:34:54 UTC igropyr.com Qwen Share 5

Igropyr is a Chez Scheme HTTP server using libuv, featuring fault-tolerant worker pools, hot code swapping, green processes for concurrency, and structured error handling. It ensures zero-downtime updates, preemptive scheduling, and OTP-inspired supervision for high reliability.

Fixed three bugs that made Qwen3.5-122B a daily driver on Mac Studio

32 marzukia 2026-07-11 23:34:54 UTC mrzk.io Qwen Share 15

The user switched from DS4 Flash to Qwen 3.5 122B on an M3 Mac Studio to address >3-minute delays from long-context prefill latency. Debugging three key bugs—cache misses, interrupted responses, and checkpoint issues—enabled sub-second prefill for 64k-token contexts, enabling efficient local AI use.

Jellyfish Undersea Roundabout

22 hydrogen7800 2026-07-12 01:34:54 UTC visitfaroeislands.com Full Share 2

Long Covid May Physically Damage the Nerves That Control the Stomach

96 thenerdhead 2026-07-12 01:34:54 UTC ijidonline.com Qwen Share 42

A study on Long-COVID-19 patients found reduced gastric mucosal cholinergic nerve density and impaired autonomic function via HRV analysis, linking vagal dysfunction to persistent symptoms and systemic inflammation. Histological and physiological data suggest structural autonomic damage, correlating with elevated cardiovascular biomarkers and procoagulative states.

Why are US consumers so angry? It's not just high prices

76 dilawar 2026-07-12 03:34:54 UTC theguardian.com Qwen Share 77

American consumers face rising frustration over corporate overcharges, shoddy service, and hidden fees, costing $165bn annually. Weakened federal oversight and media scrutiny, alongside corporate power consolidation, fuel a toxic cycle, but advocacy groups and citizen journalism seek accountability.

What xAI's Grok Build CLI Actually Sends to xAI

227 jhoho 2026-07-12 01:34:54 UTC gist.github.com Embed Share 113

The early History of the Singular Value Decomposition (1993) [pdf]

108 wolfi1 2026-07-11 15:34:54 UTC math.ucdavis.edu Full Share 62

Prefer strict tables in SQLite

255 ingve 2026-07-11 17:34:54 UTC evanhahn.com Qwen Share 128

SQLite's strict tables enforce rigid typing to prevent data type errors, require valid column definitions, and allow 'ANY' for flexibility. Introduced in 3.37.0, they improve data integrity but require upfront setup and may conflict with older versions or flexible use cases.

A dock that wakes up reliably

61 ingve 2026-07-12 01:34:54 UTC fabiensanglard.net Qwen Share 39

User struggled with unreliable laptop wake-up from sleep via Thunderbolt docks, even with Thunderbolt 4. Switching to an ASUS ROG Swift monitor in 2025 resolved the issue, though the cause remains unclear.

Biff.graph: structure your Clojure codebase as a queryable graph

125 jacobobryant 2026-07-11 18:34:54 UTC github.com/jacobobryant Qwen Share 12

Biff.graph is a lightweight, Pathom-inspired library for querying databases and derived data as a unified graph using resolvers. It simplifies code structure with small, testable resolvers and supports EQL/Datomic patterns, though it lacks Pathom's query optimization.

Doctors die. It's not like the rest of us, but it should be (2016)

126 downbad_ 2026-07-11 23:34:54 UTC archive.cancerworld.net Qwen Share 70

Doctors often reject aggressive end-of-life treatments for themselves, prioritizing comfort and dignity, yet they frequently administer such care to others due to patient/family pressure, systemic incentives, and fear of litigation, highlighting a stark contrast between medical practice and personal choice.

Optimization Solver as a Service

30 paddi91 2026-07-11 22:34:54 UTC quicopt.com Qwen Share 19

Quicopt solves LP, QP, MILP, and QUBO models via Python (OR-Tools/Pyomo) with a free tier requiring no API key. It auto-sets up keys, returns detailed results, and retains submitted data for solver improvement.

Show HN: Learn by rebuilding Redis, Git, a database from scratch

153 acley 2026-07-11 14:34:54 UTC shipthatcode.com Full Share 41

Pick a system. Build it from scratch. Every lesson is choose → write → run, until it clicks. Each card opens a structured Fundamentals → Intermediate → Advanced track. Tap the > chevron to reveal all 37 languages. “You can’t cheat — you either solve the problem or you don’t. It’s the first platform where I actually understand what I’m writing.”

Martha Lillard, last US polio patient using iron lung, dies at 78 in Oklahoma

68 daniel_iversen 2026-07-12 00:34:54 UTC abcnews.com Qwen Share 18

Martha Lillard, the last U.S. polio patient using an iron lung, died at 78 in Oklahoma from long-haul COVID-19 and pulmonary issues. She lived independently, pursued education, and connected globally via internet before her 2026 death.