QuadRF can spot drones and see WiFi through my wall

375 speckx 2026-07-10 16:37:41 UTC jeffgeerling.com Qwen Share 149

The QuadRF is a Raspberry Pi-powered phased-array radio enabling advanced signal processing, WiFi analysis, and RF visualization, with potential for Moon-scale radio experiments. Despite a rough UI, its MIPI-based high-speed data transfer and modular design showcase impressive performance for SDR applications.

How the terrorist group Boko Haram uses frontier AI

131 imustachyou 2026-07-10 19:37:41 UTC casp.ac Qwen Share 106

Terrorists like Boko Haram use AI tools (ChatGPT, Claude, etc.) for attack planning, explosives, and operations via specialized units and transnational training, aided by Islamic State. This systematic AI adoption, surpassing prior estimates, highlights urgent policy and security concerns.

An Update on the scraper situation

50 chmaynard 2026-07-10 20:37:41 UTC lwn.net Qwen Share 27

Websites are overwhelmed by scraper bots using residential proxies and compromised devices, evading detection through fake user behavior and coordinated attacks. Defensive measures like traffic analysis and temporary takedowns offer limited relief as attackers adapt, underscoring the need for ethical AI training data solutions.

GPT-5.6 Sol Ultra produces proof of the Cycle Double Cover Conjecture [pdf]

250 scrlk 2026-07-10 18:37:41 UTC cdn.openai.com Qwen Share 218

The paper proves the Cycle Double Cover Conjecture, asserting every bridgeless graph has a cycle cover where each edge is in exactly two cycles. The proof leverages cubic graphs, Γ-flows, and linear algebra to construct the cover, extending prior results on 8-flows and 3-edge-colorings.

The tech of 'Terminator 2' – an oral history (2017)

133 markus_zhang 2026-07-10 17:37:41 UTC vfxblog.com Qwen Share 52

In 1991, ILM pioneered CGI tools like 'Make Sticky' and 'Body Sock' to create Terminator 2's liquid metal T-1000, overcoming limited resources and nascent tech. Artists and developers collaborated intensively, blending innovation with practical problem-solving, cementing the film's legacy as a VFX milestone.

Why We Don't Trust the Database with Authentication

25 kianN 2026-07-10 20:37:41 UTC blog.sturdystatistics.com Qwen Share 7

Sturdy Statistics avoids trusting databases as the sole authentication source by using HMAC-SHA512 with a server-side pepper and rotation versions, preventing hash tampering. They enforce multi-layered tenant checks across routing, auth, app, and DB layers to contain breaches and block cross-tenant access via cryptographic and schema safeguards.

War Atlas: An interactive cartography of every named war in human history

91 NaOH 2026-07-10 18:37:41 UTC waratlas.org Full Share 40

An interactive cartography of 10,584 recorded military conflicts across 5,000 years of human history, with 427 historical empire borders, casualty estimate ranges, and era-by-era timeline navigation.

New York City to become first in US to ban deceptive subscription practices

300 randycupertino 2026-07-10 18:37:41 UTC theguardian.com Qwen Share 175

New York City's Mamdani administration bans deceptive subscriptions and junk fees, enforcing fines for hard-to-cancel services and requiring upfront pricing for all charges, targeting housing and consumer markets. The rules aim to combat hidden costs and corporate malpractice, facing industry opposition but backed by consumer advocates.

Moss (YC F25) Is Hiring

0 2026-07-10 21:37:41 UTC ycombinator.com Qwen Share

Moss, a real-time semantic search layer for AI, seeks a Senior/Staff SDK Engineer to optimize cross-platform SDKs for performance, reliability, and seamless integration across diverse environments. The role involves architecting Rust-based SDKs, improving latency, and ensuring consistent developer experiences to enable global AI product deployment.

Inference Optimization for MiMo v2.5: Pushing Hybrid SWA Efficiency to the Limit

11 theanonymousone 2026-07-10 21:37:41 UTC mimo.xiaomi.com Qwen Share 2

MiMo-V2.5 uses Hybrid SWA and MoE to cut KVCache by 7x, boosting efficiency in long-context and multimodal tasks. Optimizations like tiered caching, SWA-aware systems, and GCache integration enhance throughput and hit rates, achieving 93%+ server-side efficiency.

Combustion Engine Web-Based Simulator

85 mytuny 2026-07-10 17:37:41 UTC combustionlab.net Full Share 33

Crank-angle-resolved combustion engine simulator: build an engine, watch it run, and read real thermodynamics — P–V diagrams, dyno curves, knock prediction and more.

Computation as a universal and fundamental concept

65 simonpure 2026-07-10 15:37:41 UTC ergo.org Qwen Share 57

Tim Roughgarden explores computational limits, starting with Turing's 1936 proof that some problems (like the halting problem) are unsolvable by algorithms. He then examines NP-completeness, showing that many problems resist efficient solutions, leading to the unresolved P vs NP question with implications for cryptography and AI.

Apple sues OpenAI, accuses ex-employees of stealing trade secrets

49 stock_toaster 2026-07-10 21:37:41 UTC 9to5mac.com Qwen Share 26

Apple sues OpenAI for trade secret theft by ex-employees, including Tang Tan and Chang Liu, who allegedly stole confidential data and used it in hiring. The lawsuit highlights over 400 Apple alumni at OpenAI, led by Jony Ive, and claims OpenAI exploited Apple's proprietary info for hardware projects.

Show HN: Wyrm – Solve algebra by touch, built on an open-source soundness engine

34 dicroce 2026-07-10 19:37:41 UTC github.com/dicroce Qwen Share 3

wyrm-math is a DOM-free, exact symbolic algebra engine enforcing conditional soundness through rewrite rules, supporting gesture-based equation manipulation with assumptions tracking and solution-preserving transformations. It uses immutable ASTs, bigint rationals, and a derivation tree API for cross-platform math apps, licensed MIT with a sustainable app ecosystem.

Snails' teeth beats spider silk as nature's strongest material (2015)

137 simonebrunozzi 2026-07-10 17:37:41 UTC smithsonianmag.com Qwen Share 107

Marine snails' teeth, composed of goethite nanofibers and protein, are Earth's strongest natural material, exceeding spider silk and Kevlar. Though outmatched by graphene, they rival top carbon fibers, while rare materials like lonsdaleite surpass diamond's hardness.

Please don't discontinue Gemini 2.5 Flash

87 NickDob 2026-07-10 20:37:41 UTC discuss.ai.google.dev Qwen Share 54

User thanks Gemini for models but notes Gemini 3 Flash underperforms 2.5 Flash, critical for Australia's low-latency voice agents (300-400ms). Gemini 3.5 Flash's 700-800ms latency and no local deployment break this use case.

Late Bronze Age Collapse

294 dmonay 2026-07-10 12:37:41 UTC acoup.blog Qwen Share 205

The Late Bronze Age Collapse (c. 1220–1170 BC) saw interconnected states in the Eastern Mediterranean and Middle East decline or collapse, marked by site destructions and political fragmentation. Causes remain debated but likely include climate shifts, warfare, and economic strain, with uneven regional impacts.

Good Tools Are Invisible

313 theanonymousone 2026-07-10 10:37:41 UTC gingerbill.org Qwen Share 145

A good tool should be invisible, not celebrated for complexity or puzzles. Avoid reframing flaws as fun or identity; prioritize productivity over tribalism and honest evaluation.

Prismata: Confining cross-site prompt injection in web agents

7 zhinit 2026-07-10 21:37:41 UTC arxiv.org Prefix Share 0

Autonomous web agents promise to automate everyday browsing tasks, but inherit one of the web's oldest attack surfaces. Cross-Site Scripting proved that mixing trusted and untrusted content is dangerous, even on benign pages. Agents resurface this risk by interpreting natural language as instructions, allowing third-party and user-generated content to hijack the agent via prompt ...

Lost city discovered beneath Egypt's desert with ancient church

131 Bender 2026-07-10 12:37:41 UTC dailymail.com Qwen Share 66

A 1,600-year-old Byzantine city with churches, homes, and 200 inscribed pottery fragments was discovered in Egypt's Western Desert, offering insights into daily life. Separate finds include ancient tombs with a 'golden tongue' practice and the Great Pyramid's earthquake-resistant design revealed.

GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years

6 djfergus 2026-07-10 21:37:41 UTC nebusec.ai Qwen Share 2

GhostLock (CVE-2026-43499) is a Linux kernel use-after-free vulnerability in rtmutex code, enabling privilege escalation via a dangling pointer from a freed stack frame. Exploited through a race condition and controlled memory overwrite, it allows unprivileged users to execute arbitrary code, fixed in Linux 7.1.

The Clouds of Hiroshima

26 handfuloflight 2026-07-10 19:37:41 UTC doomsdaymachines.net Qwen Share 16

The Hiroshima atomic bomb's iconic mushroom cloud is documented through various aerial and ground-level photographs, highlighting technical limitations and the distinction between the initial explosion's cloud and subsequent firestorm smoke. These images, including amateur snapshots and Japanese perspectives, capture the immense scale and historical impact, contrasting with later Nagasaki ...

Successful Companies Go Blind

175 speckx 2026-07-10 13:37:41 UTC ianreppel.org Qwen Share 61

Mexican cavefish retain eye genes despite blindness, mirroring companies that lose competence as stable environments suppress innovation, prioritizing comfort over skill. Surviving in predictable conditions, they adapt to internal pressures, mistaking stagnation for loyalty until external change reactivates dormant traits.

Postgres locks do not scale

9 timetoogo 2026-07-10 21:37:41 UTC recall.ai Prefix Share 3

On a normal day our Postgres database is at a cpu load of 20-40%. March 24th was not a normal day. Suddenly, for no discernible reason, our database was slammed at 100% CPU. All of it in system time. Our bots couldn’t join calls, customers couldn’t query our API, dashboards were unresponsive, and we couldn’t even get a psql into the database. The usual suspects were considered first: there ...

Write code like a human will maintain it

316 ScottWRobinson 2026-07-10 13:37:41 UTC unstack.io Qwen Share 257

Relying on LLMs to generate repetitive code risks perpetuating poor practices, as duplicated logic trains the model to mimic your codebase's patterns. Over time, this creates a self-reinforcing cycle where shortcuts become entrenched, undermining maintainability and requiring manual intervention to correct.

Show HN: Frugon – Find which LLM calls a cheaper model could handle (local, MIT)

43 jarodrh 2026-07-10 14:37:41 UTC github.com/rodiun Llama Share 10

Frugon is a local, open-source tool that analyzes LLM call logs to save costs by switching or routing models. It runs locally, never sends data to the cloud, and provides a cost breakdown and routing recommendation.

GPT-5.6, Grok 4.5, Claude, and Muse Spark build the same 4 apps

112 hershyb_ 2026-07-10 21:37:41 UTC tryai.dev Qwen Share 68

A model comparison tested 12 AI systems (GPT-5.6 tiers, Meta’s Muse Spark, open-weights like Qwen) across four tasks with five attempts each, revealing performance gaps between leading models and open-source alternatives, while raw results are publicly accessible for self-evaluation.

Show HN: Reviving my 2001 college band with AI

46 jacobgraf 2026-07-10 16:37:41 UTC fadingmaize.com Qwen Share 52

Fading Maize's 2001 original songs, led by Charlie Saponara and Brad Mott, are revived in 2026 via AI-assisted production, with Jacob Graf managing the project, preserving archives, and upholding principles like consent and authorship. The revival blends original recordings with reimagined versions, maintaining Charlie's creative control and transparently crediting all contributions.

Show HN: SubjectiveZero, an open-source agentic node editor for creative coding

7 tasoeur 2026-07-10 20:37:41 UTC sxp.studio Prefix Share 1

Build live visual effects where every node is real, editable code, written by the coding agents you already run. In the interest of conveying a point and being fun to watch, the videos have been edited and often cut or sped up. The viewport rendering always runs in real time. Depending on your underlying AI provider settings, things can go much faster... or take a while - but you probably ...

Materials innovation has a scale-up problem, not discovery

20 groznyj 2026-07-10 19:37:41 UTC atomscale.ai Qwen Share 7

Richard Feynman's 1959 vision of atomic-scale engineering enabled modern tech, but scaling materials remains a bottleneck. Atomscale uses AI to transform fragmented data into actionable insights, accelerating material production from lab to real-world applications.