Einstein's relativity rules chemical bonds in heavy elements, new research shows

156 hhs 2026-07-10 22:38:14 UTC brown.edu Qwen Share 54

Brown University researchers discovered relativistic effects in heavy elements like bismuth blur sigma/pi bonds in triple bonds, challenging textbook models. Photoelectron spectroscopy revealed hybridized bonds, impacting chemistry education and applications in solar cells and quantum tech.

QuadRF can spot drones and see WiFi through my wall

500 speckx 2026-07-10 16:38:14 UTC jeffgeerling.com Qwen Share 182

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.

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

750 stock_toaster 2026-07-10 21:38:14 UTC 9to5mac.com Qwen Share 369

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.

An iroh powered smart fan

51 surprisetalk 2026-07-11 00:38:14 UTC iroh.computer Qwen Share 4

This guide demonstrates building a smart fan using an ESP32 and iroh, measuring temperature/humidity via a DHT22 sensor and controlling a fan locally or remotely via a browser-based WebAssembly GUI, without cloud dependency. The ESP32 connects to WiFi, uses iroh's relay for global access, and employs Rust-based RPC protocols for sensor data and fan control, with optional authentication for ...

An update on residential proxies and the scraper situation

132 chmaynard 2026-07-10 20:38:14 UTC lwn.net Qwen Share 116

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]

394 scrlk 2026-07-10 18:38:14 UTC cdn.openai.com Qwen Share 306

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.

SpaceX wants to launch 100k more Starlink satellites for 100x the bandwidth

120 CrankyBear 2026-07-10 18:38:14 UTC zdnet.com Qwen Share 361

SpaceX seeks FCC approval for 100,000 Gen3 Starlink satellites to deliver ultra-low-latency, multi-gigabit broadband, requiring hardware upgrades and facing interference risks. The plan aims to expand satellite internet access but encounters regulatory challenges, competition, and astronomical objections.

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

193 markus_zhang 2026-07-10 17:38:14 UTC vfxblog.com Qwen Share 70

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.

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

59 theanonymousone 2026-07-10 21:38:14 UTC mimo.xiaomi.com Qwen Share 23

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.

Late Bronze Age Collapse

345 dmonay 2026-07-10 12:38:15 UTC acoup.blog Qwen Share 234

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.

Combustion engine web-based simulator

135 mytuny 2026-07-10 17:38:15 UTC combustionlab.net Full Share 62

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.

Good Tools Are Invisible

386 theanonymousone 2026-07-10 10:38:15 UTC gingerbill.org Qwen Share 181

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.

The footgun of right-to-left decorative characters

24 dado3212 2026-07-11 01:38:15 UTC blog.alexbeals.com Qwen Share 13

Fleurons and printer's ornaments, now in Unicode, face bidirectional text rendering issues when mixed with right-to-left scripts like Manichaean, requiring HTML/CSS fixes like `<bdi>` or `unicode-bidi` to isolate directionality.

AI 2040: Plan A

184 kschaul 2026-07-10 11:38:15 UTC ai-2040.com Qwen Share 193

Plan A advocates for an international agreement with transparent AI research and global collaboration to safely develop superintelligence, avoiding existential risks. Without such measures, unchecked AI races risk power concentration and catastrophic outcomes, urging immediate governance action.

New York City to ban deceptive subscription practices

467 randycupertino 2026-07-10 18:38:15 UTC theguardian.com Qwen Share 231

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.

Computation as a universal and fundamental concept

105 simonpure 2026-07-10 15:38:15 UTC ergo.org Qwen Share 78

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.

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

167 simonebrunozzi 2026-07-10 17:38:15 UTC smithsonianmag.com Qwen Share 132

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.

Alternate clock designs and time systems

120 ethanpil 2026-07-10 14:38:15 UTC serialc.github.io Qwen Share 62

The article critiques the traditional 24-hour time system's inconsistency and explores alternative metric-based time designs, like decimal or hexadecimal formats, for simpler calculations and readability, while acknowledging challenges in adoption and accuracy. It invites suggestions for custom time systems, emphasizing flexibility in reimagining how we measure and display time.

Moss (YC F25) Is Hiring

0 2026-07-10 21:38:15 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.

After 7 years in production, Scarf has reluctantly moved away from Haskell

97 aviaviavi 2026-07-10 14:38:15 UTC avi.press Qwen Share 107

A long-time Haskell advocate, the author moved Scarf's new development to Python due to AI-driven workflows and Haskell's compilation/ecosystem bottlenecks, urging the community to prioritize AI-era optimizations like faster builds, better tooling, and agent-friendly design to remain relevant.

Silent speech with ultrasound

22 chrwn 2026-07-11 00:38:15 UTC alephneuro.com Qwen Share 5

Our system achieves 15.6% word error rate using 50 hours of ultrasound tongue data, outperforming lip-reading with 12.5% on 1M hours. Challenges include hardware miniaturization and non-American accents, but it generalizes across speakers and shows promise for silent speech tech.

Preemption is GC for memory reordering (2019)

18 mpweiher 2026-07-10 23:38:15 UTC pvk.ca Qwen Share 4

Preemption in userspace lock-free programming can be leveraged as a sunk cost, using interrupt-driven memory ordering (e.g., x86's IRET barriers) to ensure visibility of writes without explicit barriers. This approach enables efficient event counts and hazard pointers by relying on interrupt timing to detect global write visibility, reducing overhead compared to traditional synchronization.

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

129 NaOH 2026-07-10 18:38:15 UTC waratlas.org Full Share 58

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.

A love letter to flashcards

137 surprisetalk 2026-07-10 15:38:15 UTC lesleylai.info Qwen Share 86

Initially dismissing flashcards for deep learning, the author adopted spaced repetition via Anki, creating personalized cards for concepts and insights rather than rote facts. This approach enhanced long-term retention and enabled resuming learning after breaks.

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

53 djfergus 2026-07-10 21:38:15 UTC nebusec.ai Qwen Share 10

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.

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

66 dicroce 2026-07-10 19:38:15 UTC github.com/dicroce Qwen Share 10

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.

Lost city discovered beneath Egypt's desert with ancient church

169 Bender 2026-07-10 12:38:15 UTC dailymail.com Qwen Share 86

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.

Show HN: Phobos – A tiny scale-free kernel language with tile-DAG support

5 joajoa 2026-07-11 03:38:15 UTC joa-ebert.com Prefix Share 0

TLDR: I’ve built Phobos, a tiny kernel language inspired by Triton. It lowers to PTX and runs on NVIDIA GPUs. It achieves acceptable performance at 76% of cuBLAS SGEMM GFLOP/s on a 2080 SUPER (or 74% of the theoretical GFLOP/s peak). Phobos maps naturally to a distributed tile-DAG design. I only validated the cluster prototype on a single machine; there are no multi-node benchmarks here. This ...

Successful Companies Go Blind

200 speckx 2026-07-10 13:38:15 UTC ianreppel.org Qwen Share 71

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.

Show HN: Getting GLM 5.2 running on my slow computer

837 vforno 2026-07-10 04:38:15 UTC github.com/justvugg Qwen Share 206

colibrì runs GLM-5.2 (744B MoE) on 25 GB RAM via int4 quantization, disk-streamed experts, and C-based zero-dependency engine, achieving lossless inference with speculative decoding and adaptive caching. It leverages AVX2, MTP heads, and batched expert reads, but requires NVMe SSDs and careful hardware management due to disk I/O and wear risks.