How Can Infinity Come in Many Sizes?
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Cadence, a OnePlus 5T user on LineageOS, faces a 2026 NZ 3G shutdown that will end calls on his device. He weighs buying a new phone against e-waste and rapid hardware changes. He sets five criteria: top-tier cameras (with good zoom), freedom from bloatware and easy OS replacement, local repairability, compact size for one-handed use, and a headphone jack. Local options (Samsung S24/S25, Xiaomi 15, Asus Zenfone 10, iPhone mini) fall short on at least one point. Importing for a jack is possible but costly. In the end, his 5T remains the best-fit, highlighting a decline in new designs.
Definition: f(x) ≤ g(x) + O(1) means there is a constant C such that for large x, f(x) ≤ g(x) + C; a one-sided bound. By contrast, f(x) = O(g(x)) bounds |f(x)| ≤ C|g(x)|. When f(x) = g(x) + O(1), we have |f(x) - g(x)| ≤ C, i.e., g(x) - C ≤ f(x) ≤ g(x) + C. Thus f = g + O(1) implies f ≤ g + O(1), but not vice versa. These ideas extend to O(h(x)).
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Explores digitizing smell. The piece traces olfaction from ancient chemosensation to modern genetics—how a hundred receptors create a combinatorial code whose signals bypass the thalamus and drive memory and emotion. It surveys the long quest to encode odor into data: SMILES, structure-odor paradox, and large datasets culminating in machine learning. Google/DeepMind’s Graph Neural Networks yield odor embeddings and the Principal Odor Map; Osmo and Givaudan’s Carto translate scent into design space for new molecules and safer, sustainable fragrances. Applications span disease markers, repellents, and eco-friendly perfumery; mixtures remain a key challenge.
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Babyshark is a terminal PCAP viewer (Flows-first PCAP TUI) for offline PCAPs and live captures. It helps answer what's using the network, what's broken, and what to click next. Navigate domains, weird stuff, or flows; drill down to flows/packets/streams; search and filter; bookmark flows and export markdown reports. Live mode uses tshark; supports interface selection and optional write-to-file. Install via GitHub releases or cargo install; prerequisites include Rust and tshark/wireshark. Data saved in .babyshark (case.json bookmarks, report.md). Current release: v0.1.0 alpha.
An Apple II port of Shufflepuck Cafe tackled sprite display, 3D perspective, and real-time drawing on a 1MHz 6502. Starting from a Glider port, the author built a fast transform_xy with lookup tables, used multiple pre-shifted sprites, and switched to XOR drawing to meet CRT-beam timing and reduce flicker. He reused memory with a segmented loading scheme, compressing assets and swapping in opponents. Sound uses short samples plus a slowdown trick to lower pitch. Serial two-player uses full-duplex Apple II serial (~300 cycles/frame). Result: a playable two-player Shufflepuck Cafe clone, not feature-complete but faithful.
Las Vegas police rely heavily on Flock license plate readers funded by the Horowitz Family Foundation, not taxpayers, limiting public input. Metro operates about 200 cameras, with data shared across dozens of agencies and more than 23,000 vehicle searches since late 2023. Critics warn of privacy risks and potential abuses, including tracking immigrants or political protesters, especially given Flock’s Nova feature that accesses private data. Public oversight is limited because funds flow to a private foundation, and disclosures in Las Vegas lag behind other cities; the foundation has also donated drones and vehicles.
AI-powered reverse-engineering project Attesor to understand Apple Rosetta 2 on Linux. It documents Rosetta 2’s architecture and translation pipeline (binary loading, AOT/JIT translation, runtime) and provides decompiled/refactored C implementations (rosetta_refactored*, function maps). Progress: 828 functions identified, 612 implemented (74%), 66 categories complete. Repository includes usage instructions, structure, and progress logs. Educational/research focus; Rosetta 2 is proprietary; MIT-licensed code; two contributors; last updated Feb 2026.
Old MacBook Pro BCM4350 Wi‑Fi isn’t supported by FreeBSD. The author experiments with building a native FreeBSD driver instead of using a LinuxKPI passthrough. Initial attempt to port brcmfmac via LinuxKPI with Claude/AI fails due to hardware absence and panics; more shims and complexity arise. He shifts to creating a detailed AI-generated driver specification (11 chapters) and uses it to guide a clean-room implementation. After several iterations, a working FreeBSD kernel module for BCM4350 is produced, enabling Wi‑Fi scanning and 2.4/5 GHz WPA/WPA2. Code at github.com/narqo/freebsd-brcmfmac. Caution: still experimental and not production-ready.
Anthropic's Claude claims it can automate COBOL modernization, signaling AI-assisted code analysis and implementation for a language still powering critical US systems like ATMs. With shrinking COBOL expertise and patchy documentation, AI tools could enable incremental, safely tested modernization. The article notes Claude Code can automate exploration and planning, potentially disrupting IBM’s COBOL ecosystem. IBM stock slid on the news, fueling talk that Anthropic aims to fund itself via such disruptions and whether OpenAI might pursue a similar path.
Sim is an open-source platform to build, deploy, and orchestrate AI agent workflows, featuring a Figma-like visual canvas and integration with 1,000+ apps/LLMs. YC-backed with a $7M Series A, it seeks a Software Engineer, Platform in San Francisco to own the front-end architecture, real-time canvas, and the bridge to the execution engine in a Next.js monorepo. Requirements: design-minded full-stack React/TypeScript skills, strong UX, and experience building complex canvases or developer tools, plus performance discipline and ownership. Team of 5; visa sponsor; 70k+ developers using Sim; meaningful equity.
Columbia University researchers have developed a gel electrolyte for anode-free lithium-ion batteries that improves safety, longevity, and cost. Anode-free designs boost energy density by freeing space for active material, but dendrites cause failures. The gel uses a parasitic salt-phobic polymer network that forms a protective layer on the lithium surface and suppresses dendrite growth. In tests it retained >80% capacity under near-real-world conditions and enhanced thermal stability, withstood drilling, unlike liquid-electrolyte cells. This approach could yield higher density, longer-lasting, safer, cheaper EV packs, complementing continued lithium-ion improvements instead of relying on solid-state.
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A car-wash reasoning benchmark tested 53 AI models on whether to walk or drive to a car wash 50 meters away, given the car must be at the wash. In a single run, 42 chose walk; only 11 were correct. The five models reliable across 10 runs were Claude Opus 4.6, Gemini 2.0 Flash Lite, Gemini 3 Flash, Gemini 3 Pro, and Grok-4. Across 530 runs, most models were inconsistent or wrong (33 never right; 12 barely right). Humans drove the choice 71.5% of the time. The test exposes AI reliability gaps and the value of context-aware prompting.
SHIBUYA WAF is a Rust-powered, open-source web application firewall that ships 615+ OWASP CRS rules, ML anomaly detection, and kernel-level eBPF/XDP blocking. It runs a nine-layer security pipeline (kernel to WASM) and supports a WASM plugin system for language-agnostic extensions. Key features include SHAP-explainable ML (IsolationForest + Random Forest), hot-reloadable rules, and a built-in Ashigaru attack lab. It offers API-first protection (OpenAPI + GraphQL), multi-tenancy with RBAC and LDAP/SSO, federated learning, post-quantum TLS, TPM, and SBOM. Lite is free; Enterprise €399.
TechCrunch reports Americans are vandalizing Flock license-plate reader cameras amid privacy and immigration concerns. Flock, valued at about $7.5B, runs a nationwide network; while it says it doesn’t directly share data with ICE, local police have granted federal access and some communities have ended contracts or blocked usage. Incidents include smashed cameras in La Mesa, CA, and other states; Oregon poles cut down. DeFlock estimates around 80,000 cameras nationwide, with many cities rejecting Flock.
Waymo is already delivering autonomous rides with no driver, while Tesla remains selling a promised FSD future. The piece contrasts Waymo’s sensor-heavy, mapped, domain-limited approach with Tesla’s camera-only, scalable vision, arguing that true self-driving at scale is being realized by Waymo. As a result, the longstanding Tesla–Waymo debate shifts from ideology to demonstrated capability, challenging Tesla’s claims of scale, simplicity, and generality.
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