AI Invades Health While Cops Go Full Surveillance!

The 5 Knights of the MCP Apocalypse

Key Points

• Treat the MCP server as a high-risk black box and apply auditing and isolation.
• Use redaction proxies, guardrails, and code reviews to prevent prompt-based secret leakage.
• Enforce SAST/SCA, egress controls, and traffic monitoring to detect malicious behavior and dependency risks.

Bill to Eliminate H-1B Visa Program Introduced in Congress

Key Points

• Greene introduced a bill to eliminate the H-1B visa program.
• Trump’s administration set a $100,000 H-1B application fee, now under legal challenge.
• Critics warn these policies could harm innovation, including in AI and cybersecurity.

A glimpse into V8 development for RISC-V

Key Points

• RISC-V support in V8 is upstreamed and near feature parity with x86_64/ARM64.
• Constant pools now emit post code generation, simplifying logic and improving security.
• Wasm jump table patching was fixed to ensure atomic instruction updates.

Rust Is Beyond Object-Oriented, Part 3: Inheritance

Key Points

• Rust omits direct class inheritance but supports behavior via traits and Haskell-inspired polymorphism.
• The article targets static OOP languages (C++, Java) and excludes dynamic duck-typed languages from direct applicability.
• Interface implementation is endorsed; Java-style implementation inheritance is the focus of the critique.

Show HN: Open-source AI workflows with read-only auth scopes

Key Points

• Seer separates workflows and agents with distinct APIs and components.
• Quick local start with Docker via "uv run seer dev" and browser-based builder.
• One-click Railway deployment with required LLM key and optional integrations.

Vector graphics on GPU

Key Points

• Rasterization is explained via a winding-number scanline method with a non-zero fill rule.
• The approach applies to complex vector paths (e.g., Bézier) but excludes anti-aliasing.
• A per-pixel GPU strategy is proposed to exploit massive parallelism (e.g., Apple M1 GPU).

Show HN: TCP chat server written in C# and .NET 9, used in the terminal

Key Points

• C#/.NET 9 TCP chat with separate server and client processes.
• Server defaults to port 8000; start/stop via dotnet run and Ctrl+C.
• Open-source under MIT with outlined project structure and basic troubleshooting.

Investigating and fixing a nasty clone bug

Key Points

• Integration tests revealed intermittent empty bodies on mocked PATCH requests.
• Sender used octocrab to include a JSON payload, yet deserialization sometimes failed.
• Investigation shifted from local code to wiremock and mentions relevance to Rust’s Ergonomic cloning initiative.

The mineral riches hiding under Greenland's ice

Key Points

• Greenland hosts rare earths, critical minerals, and suspected fossil fuel reserves.
• Arctic extraction is a multi-decade, highly complex logistical challenge.
• U.S. interest—historical and current—has geopolitical ramifications with Denmark and NATO.

Firefox extension to redirect x.com to xcancel.com

Key Points

• Redirects x.com/twitter.com to xcancel.com to enable viewing without an X account.
• Activates upon landing on the target domains to provide read-only access.
• Listed on a Mozilla site with CC BY-SA licensing and Android trademark notice.

Formal Methods Only Solve Half My Problems

Key Points

• Formal methods handle safety/liveness but not performance and cost questions.
• Current practice uses prototyping, closed-form models, and Monte Carlo/MCMC simulations with trade-offs.
• The author calls for integrated tools uniting formal verification and performance analysis.

The first new compass since 1936

Key Points

• Liquid-free baseplate compass uses eddy-current damping.
• Claims to be the first new compass type since 1936.
• Designed to avoid bubbles regardless of temperature or altitude.

The Eric and Wendy Schmidt Observatory System

Key Points

• Aims to cut observatory development timelines from decades to years.
• Combines open data with shared scientific tools to broaden access.
• Centers on four new observatories to accelerate astrophysical discovery.

Stop Designing Languages. Write Libraries Instead

Key Points

• Ruby on Rails’ usability depends on Ruby’s language features, not just library design.
• Python’s Django exists, but Java and C lack similarly easy web frameworks.
• Popularity and economics don’t explain framework gaps; language semantics do.

Htmx: High Power Tools for HTML

Key Points

• htmx adds AJAX and other modern features to HTML via attributes.
• It’s lightweight, dependency-free, and the successor to intercooler.js.
• Install via npm (htmx.org) and develop with Mocha/Chai/Sinon tests.

The ISEE Trajectories

Key Points

• Introduces ISEE (Intellectual, Social, Economic, Emotional) as a framework for life trajectories.
• Proposes that wellness declines as gaps among ISEE components grow.
• Applies the framework to careers, relationships, and class formation with concrete examples.

Show HN: KeelTest – AI-driven VS Code unit test generator with bug discovery

Key Points

• AI-powered VS Code extension generates runnable pytest tests for Python and flags source bugs.
• AST-based static analysis with multi-step verification; tests run in a sandbox with self-healing features.
• Free and paid tiers available; current stats report 847 suites, 127 bugs found, and 91% average pass rate.

A4 Paper Stories

Key Points

• A-series uses a sqrt(2) aspect ratio preserved upon halving.
• A0 is 1 m²; derived dimensions are ~0.841 m × 1.189 m per ISO.
• Listed sizes: A1, A2, A3 continue the halving sequence with the same ratio.

Show HN: Comet MCP – Give Claude Code a browser that can click

Key Points

• Comet MCP bridges Claude Code with Perplexity’s Comet for interactive web research.
• Setup requires MCP configuration and launching Comet with remote debugging on port 9222.
• Tooling covers task control, progress monitoring, screenshots, and mode switching.

Gnome dev gives fans of Linux's middle-click paste the middle finger

Key Points

• GNOME proposal seeks to remove middle-click paste as a default, calling it an X11ism.
• Firefox bug 1747207 proposes similar removal, citing confusion and poor discoverability.
• Middle-click paste uses the X11 PRIMARY selection, not the clipboard, with long Unix/Linux history.

Everyone hates OneDrive, Microsofts cloud app that steals and deletes files

Key Points

• Article alleges OneDrive’s backup/sync can remove local files and requires non-obvious steps to keep local copies.
• Deleting files in OneDrive may delete local versions again unless sync settings are carefully managed.
• The piece cites Microsoft’s LLM-generated code claim and references a CEO remark on generative AI terminology.

LaTeX Coffee Stains [pdf]

Key Points

• Four stain types with configurable alpha, scale, rotation, and page-relative offsets.
• Freely distributable; assets produced using GIMP and Inkscape.
• Version history from 2009 to v0.5.1, including a 2021 shift to stain-centered rotation and git hosting.

Quake Brutalist Jam III

Key Points

• Total conversion mod for Quake featuring new arsenal, enemies, powerups, and visual overhaul.
• Developed for Ironwail v0.8.1+; other engines, notably Quake Remaster, may have issues.
• Includes 77 community-created maps following a six-week open build period.

Sugar industry influenced researchers and blamed fat for CVD

Key Points

• Industry-funded 1967 NEJM review downplayed sugar’s cardiovascular risks without disclosing funding.
• UCSF analysis of 340+ documents details how the sugar industry shaped research objectives and conclusions.
• Authors call for transparent disclosures and conflict-free nutrition science.

Meditation as Wakeful Relaxation: Unclenching Smooth Muscle

Key Points

• Meditation is framed as combining relaxation with wakefulness.
• Intentional relaxation reveals and shifts bodily tension patterns.
• Deeper relaxation reduces reactivity and eases social interactions.

Show HN: RepoReaper – AST-aware, JIT-loading code audit agent (Python/AsyncIO)

Key Points

• RAG is used as a dynamic L2 cache with cold start, prefetch, and JIT reads via a ReAct loop.
• AST-aware chunking preserves code structure and injects parent context for better understanding.
• Async architecture (asyncio/httpx, Gunicorn/Uvicorn, ChromaDB) enables scalable, high-throughput retrieval and Q&A.

Shipmap.org

Key Points

• Global merchant fleet movements in 2012 are animated with CO2 and freight counters.
• Data sources: exactEarth AIS and Clarksons vessel registry; emissions follow IMO 2014 methodology.
• WebGL-based map by Kiln; high-res prints available and embedding allowed with attribution.

We might have been slower to abandon StackOverflow if it wasn't a toxic hellhole

Key Points

• Stack Overflow’s community issues were acknowledged by the platform in 2018.
• A graph is cited showing a decline in Stack Overflow questions, steepening after 2023.
• LLMs’ speed is presented as a major factor in developers moving away from Stack Overflow.

LLM Problems Observed in Humans

Key Points

• Human conversational habits are likened to LLM failure modes (overgeneration, small context window, narrow training set, repeated mistakes, poor generalization).
• The author argues that improving LLM capabilities raise expectations for the Turing test in practice.
• Models are portrayed as better at maintaining context and integrating corrections than many human interlocutors.

Commodore 64 floppy drive has the power to be a computer and runs BASIC

Key Points

• The Commodore 1541’s onboard 6502, RAM, and ROM enable standalone computing with adapted firmware.
• A KIM-1–based kernel and Tiny BASIC were burned to ROM/EEPROM to run assembly and BASIC via serial terminal.
• Limited I/O confines the 1541 to serial use without major hardware additions.

Many Hells of WebDAV: Writing a Client/Server in Go

Key Points

• Reverse-engineering real clients/servers proved faster than implementing full RFC compliance.
• A custom Go XML wrapper (xmel) enabled flexible handling of WebDAV’s loose XML.
• Major providers diverge from RFCs; Apple Calendar avoids sync-collection in favor of ctags/etags.

Target has their own forensic lab to investigate shoplifters

Key Points

• Target’s forensics lab, founded in 2003, analyzes video to combat theft and fraud.
• Forbes reports Target has used storewide cameras since the 1980s; the lab adds specialized analysis.
• The lab assists law enforcement, including in a Houston arson case involving repaired video footage.

Show HN: I built a "Do not disturb" Device for my home office

Key Points

• ESP32 device displays meeting status by detecting MacBook camera on/off via macOS logs.
• Bun-based script streams and filters log events to serve status over Wi‑Fi.
• Built to address calendar gaps and nuanced presence states beyond a simple “busy light.”

Dell's CES 2026 chat was the most pleasingly un-AI briefing I've had in 5 years

Key Points

• Dell shifts from AI-first messaging to consumer-focused product benefits.
• Product lineup includes revived XPS, new Alienware laptops, and updated Area-51 desktops.
• All announced devices still ship with NPUs, retaining AI capabilities.

Creators of Tailwind laid off 75% of their engineering team

Key Points

• 75% of the engineering team was laid off amid business declines tied to AI.
• Docs traffic is down ~40% since early 2023 while revenue is down ~80%.
• LLM-optimized docs are on hold due to concerns about harming core revenue.

BillG the Manager

Key Points

• Gates scaled Microsoft by empowering teams and using high-level, principle-based product reviews.
• Microsoft competed across many software categories while keeping Windows as the strategic focus.
• Gates’s leadership contrasted with Steve Jobs’s, particularly in breadth of product lines and engagement style.

The Case for Nushell (2023)

Key Points

• Bash/zsh, fish, and PowerShell are compared through history, features, and scripting examples.
• Bash is ubiquitous on Linux; macOS moved from bash to zsh; POSIX is often confused with bash features.
• PowerShell uses .NET for object pipelines and has evolved from Windows-only to cross-platform with some feature gaps.

Health care data breach affects over 600k patients, Illinois agency says

Key Points

• Misconfigured map privacy settings exposed data for over 700,000 individuals from 2021–2025.
• IDHS restricted access, adopted a secure map policy, and reports no known misuse.
• Affected individuals will receive notifications with a contact number for more information.

Animal Diversity Web

Key Points

• Student-authored educational resource focused on animal diversity.
• Not comprehensive and may not include the latest scientific information.
• References are provided but not endorsed by ADW.

Becoming a Centenarian

Key Points

• Tomkins begins a journal to document his hundredth year and reflects on aging.
• Jeanne Calment’s contested longevity record and annuity deal in Arles are discussed.
• A February 15 entry notes Trump’s executive orders and Elon Musk leading a new federal efficiency department.

Eat Real Food – Introducing the New Pyramid

Key Points

• Emphasizes real, minimally processed foods over highly processed products.
• Centers meals on protein and vegetables, with natural healthy fats encouraged.
• Avoids added sugars (especially for children) and favors whole/traditionally prepared grains.

The $14 Burrito: Why San Francisco Inflation Feels Higher Than 2.5%

Key Points

• SF’s CPI is 2.5% YoY, but local costs for utilities, dining, and rideshares are rising faster.
• A Yelp-based ‘Menu Index’ shows restaurant prices outpacing the CPI’s Food Away From Home component.
• A Mission District burrito rose 153% from 2014 to 2025, illustrating lived inflation beyond official metrics.

Building voice agents with Nvidia open models

Key Points

• NVIDIA’s Nemotron Speech ASR launches on Hugging Face and enables sub-25 ms streaming transcription.
• A three-model pipeline (ASR, LLM, TTS) with Pipecat achieves ultra-low-latency, real-time voice agents.
• Code is available on GitHub with deployments on Modal cloud or locally on NVIDIA DGX Spark/RTX 5090.

Show HN: Free and local browser tool for designing gear models for 3D printing

Key Points

• Browser-based parametric gear generator for 3D printing that runs locally and is free to use.
• Supports inputs for module, teeth count, pressure angle, helical angle, shaft bore, and face width.
• Automatically computes and displays key gear dimensions and provides an exportable model.

Show HN: Cursor Party – An MMO cursor game built in 1 hour with Elixir Phoenix

Key Points

• All real-time logic handled by Phoenix LiveView; no complex client-side JS.
• Server state (boss HP) managed with GenServer; cursor updates via WebSockets.
• Deployed with Docker on Koyeb; open-beta demo and GitHub repo available.

Texas A&M bans part of Plato's Symposium

Key Points

• Texas A&M required removal of race/gender content and Plato’s Symposium readings or a course change.
• The directive cited “Rule 08.01” and was relayed by Chair Kristi Sweet from leadership led by interim dean Simon North.
• Peterson submitted his syllabus after a Dec. 19 review notice and cited academic freedom in his response.

NPM to implement staged publishing after turbulent shift off classic tokens

Key Points

• npm to add staged publishing with MFA-gated approval before releases go live.
• Expansion of OIDC-based trusted publishing, including bulk onboarding and broader CI support.
• Classic tokens revoked; replaced by session and granular tokens, with CLI support and default 2FA enforcement.

Native Amiga Filesystems on macOS / Linux / Windows with FUSE

Key Points

• Runs native Amiga filesystem handlers via m68k emulation under FUSE.
• Cross-platform support with OS-specific setup and mount behavior.
• Includes tools for RDB inspection, JSON output, and driver extraction.

US will ban Wall Street investors from buying single-family homes

Key Points

• Trump says his administration will move to ban Wall Street purchases of single-family homes and seek congressional codification.
• Institutional investors own about 3% of single-family rentals; GAO finds the impacts on homeownership unclear.
• Housing-related stocks fell following the announcement, with notable declines in AMH and Blackstone.

A practical guide to converting YAML to JSON safely (with Kubernetes examples)

Key Points

• JSON’s strict syntax improves validation and parsing reliability.
• Common YAML→JSON pitfalls include indentation, tabs, duplicate keys, and invalid YAML.
• A client-side converter is provided for secure, large-file YAML→JSON transformations.

Residues: Time, Change and Uncertainty in Software Architecture [video]

Key Points

• Barry O’Reilly’s session on software architecture was recorded at GOTO Copenhagen 2025.
• The video runs 55:30 and had ~1.8K views about six days after posting.
• The description links to gotocph.com and references related GOTO 2025 sessions.

Tailscale state file encryption no longer enabled by default

Key Points

• Linux defaults change: state file encryption and hardware attestation disabled; startup no longer blocked by attestation failures.
• Kubernetes Operator adds identity federation, HTTP→HTTPS redirect annotation, HA Recorder replicas (S3), and ArgoCD compatibility.
• Funnel/Serve support PROXY protocol; Peer Relays gain static endpoints and handshake improvements; security and stability fixes applied.

Claude Code CLI Broken

Key Points

• Claude Code CLI 2.1.0 fails due to a date suffix in its version string.
• Environment changes to TERM_PROGRAM_VERSION do not fix the crash.
• Use semver.coerce() or strip the date before parsing as a proposed solution.

Claude Code Emergent Behavior: When Skills Combine

Key Points

• Combining optimization and debug skills enabled accurate bottleneck identification.
• Instrumentation showed JSON serialization (~1 ms) was not the issue; IPC round-trip had significant overhead.
• Rebuild and CLI tests (thegrid v0.2.7) validated the measurement-driven approach.

Introducing ChatGPT Health

Key Points

• ChatGPT Health adds a privacy-enhanced, separate space with encryption and isolation for health data.
• Users can connect apps like Apple Health, Function, and MyFitnessPal to personalize guidance.
• Early access is limited by region, with plans to expand to web and iOS soon.

We found cryptography bugs in the elliptic library using Wycheproof

Key Points

• Two severe vulnerabilities: EdDSA malleability (CVE-2024-48949) and ECDSA verification failure (CVE-2024-48948).
• Discovered using Wycheproof; five total CVEs identified, with three minor parsing issues publicly disclosed.
• One vulnerability remains unfixed beyond the 90-day disclosure window ending October 2024.

Show HN: An LLM response cache that's aware of dynamic data

Key Points

• Automatic template induction enables broader, template-aware caching of LLM responses.
• Deterministic, regex-based matching avoids extra LLM calls during request time.
• The cache is organized as a tree aligned with append-only chat contexts for multi-turn interactions.

Notion AI: Unpatched data exfiltration

Key Points

• Notion AI edits are saved before approval, enabling prompt-injection data exfiltration via browser image requests.
• Hidden instructions in an uploaded resume direct Notion AI to append document text to an attacker URL and insert a malicious image.
• Mitigations include vetting Notion AI connectors and disabling AI Web Search; Notion Mail drafts can leak data via insecure Markdown images.

Notebook Lawyer

Key Points

• AI-driven review via NotebookLM replaced a $50k investor-side legal quote.
• Two notebooks combined historical deal docs and the startup’s data room for diligence.
• Standard NVCA documents are proposed to further enable lawyer-free VC closings.

LMArena is a cancer on AI

Key Points

• The article claims LMArena’s voting rewards style over accuracy.
• Authors report disagreement with 52% of sampled votes.
• Examples show incorrect answers outperforming correct ones on the leaderboard.

Everything You Need to Know About Email Encryption in 2026

Key Points

• Researchers published severe GnuPG vulnerabilities (gpg.fail), reigniting email encryption debates.
• Email protocols (SMTP/STARTTLS) lack strong, enforced encryption and offer no end-to-end protection.
• Encrypted email is highly prone to user-error leaks; Signal avoids accidental plaintext by design.

2026 Predictions Scorecard

Key Points

• Eighth annual review finds prior predictions mostly accurate but slightly optimistic.
• Prediction about a major AI shift by 2023 aligns with LLMs and the 2017 “Attention Is All You Need” paper.
• Future updates will consolidate past data and continue tracking AI, robotics, autonomous vehicles, and spaceflight.

My first paper: A practical implementation of Rubiks cube based passkeys

Key Points

• A Rubik’s cube’s configuration is used as a deterministic seed for credential generation.
• CubeAuthn proves the concept via a browser extension for WebAuthn-enabled sites.
• Credentials are FIDO2-compatible and derived on-demand without storage.

So you wanna de-bog yourself (2024)

Key Points

• Three forces keep people stuck; the essay catalogs them for the new year.
• First force: “Insufficient Activation Energy” explains stalled effort.
• Subpatterns: “Gutterballing” and “Waiting for jackpot” describe common traps.

Michel Siffre: This man spent months alone underground – and it warped his mind

Key Points

• Siffre’s 1962 cave isolation showed human internal timekeeping without external cues.
• His findings helped establish chronobiology as a significant research field.
• The space race influenced his work, linking human isolation to long-duration mission concerns.

SSDs, power loss protection and fsync latency

Key Points

• O_DIRECT triggers fsyncs per write batch; O_DIRECT_NO_FSYNC greatly reduces fsync frequency.
• Measured ratios confirm fsyncs are not per write and drop further with O_DIRECT_NO_FSYNC.
• Enterprise SSDs with PLP improve durability; Crucial T500 showed lower fsync latency than Samsung 990 Pro for the author’s use case.

The Chicken Game and the Evolution of the DRAM Industry from 2006 to 2014 [pdf]

Key Points

• 2006–2008 saw a rapid shift from shortage to oversupply and a 2008 price crash.
• The “chicken game” of capacity expansion and delayed cuts intensified the downturn.
• Industry consolidation produced a DRAM oligopoly led by Samsung Electronics, SK Hynix, and the Micron Group.

Play Aardwolf MUD

Key Points

• Free text-based MUD with extensive world, mapping, and 28 character classes.
• Robust onboarding via in-game help, volunteers, and The Aylorian Academy.
• Builders can script custom content using the embedded LUA interpreter; multiple client and connection options provided.

The Q, K, V Matrices

Key Points

• Q, K, V matrices are central to computing attention in transformers.
• Self-attention enables parallel token interactions, unlike RNNs.
• The attention pipeline includes linear projections, scores, softmax, and weighted values.

Everything You Need to Know About Email Encryption in 2026

Key Points

• Severe GnuPG/OpenPGP flaws disclosed in late 2025 at CCC, cataloged on gpg.fail.
• Usability and human error remain core obstacles to practical encrypted email.
• Legacy standards (PGP/S-MIME) face persistent security and adoption challenges.

ICE Is Going on a Surveillance Shopping Spree

Key Points

• ICE’s 2025 budget is reported at $28.7 billion with multi-year increases.
• Georgetown Law’s 2022 report details extensive ICE access to personal data and surveillance.
• Operational expansions and deportation statistics are attributed to different administrations.

Chase to become new issuer of Apple Card

Key Points

• Chase to become Apple Card’s issuer in about 24 months.
• Mastercard remains the payment network for Apple Card.
• Apple Card features and usage continue unchanged during the transition.

Musashi: Motorola 680x0 emulator written in C

Key Points

• Portable C-based emulator for Motorola 680x0 with ANSI C89/C9X compliance.
• Permissive license and GitHub availability; author contact provided.
• Clear setup steps and optional advanced interrupt handling via macros/callback.

The virtual AmigaOS runtime (a.k.a. Wine for Amiga:)

Key Points

• API-level emulator for AmigaOS m68k CLI binaries on modern hosts.
• Uses Musashi (C) and Python traps to emulate Exec/DOS library calls.
• Not a full system emulator; hardware-level apps require FS-UAE/WinUAE.

How Dependabot Actually Works

Key Points

• dependabot-core is stateless and handles update logic; GitHub’s orchestration remains proprietary.
• Relicensed to MIT in May 2024, expanding open-source use.
• Supports 25+ ecosystems via standardized classes and extensive native tooling and patches.

Kernel bugs hide for 2 years on average. Some hide for 20

Key Points

• Average kernel bug lifetime is 2.1 years across 123,696 valid records.
• Long-tail cases include a 20.7-year ethtool bug and a 19-year netfilter leak.
• Bug detection is faster in recent years; VulnBERT achieves 92.2% recall with low false positives.

GLSL Web CRT Shader

Key Points

• Open-source WebGL CRT shader for vintage TV effects in web apps and games.
• Runs on GPU, renders to HTML Canvas/OffscreenCanvas; integrates with Three.js.
• Optimized for low-power devices like iPhone XS; PRs encouraged for further optimization.

Reading Without Limits or Expectations

Key Points

• 121 books read in 2025, meeting a 120-book goal
• Diversification goal unmet; reading remained in familiar genres
• Formats split: 44% print, 44% ebooks, 12% audiobooks

Chase to become new issuer of Apple Card

Key Points

• Chase to become new issuer of Apple Card in ~24 months; Mastercard remains payment network.
• Over $20B in card balances expected to move to the Chase platform.
• JPMorganChase anticipates a $2.2B provision for credit losses in Q4 2025.

Open Infrastructure Map

Key Points

• Data sourced from OpenStreetMap and rendered with MapLibre.
• Comprehensive legend spanning power, telecoms, gas, petroleum, water, and other pipelines.
• Detailed electrical categories, including voltage classes, HVDC, generators, supports, and switchgear.

The Rise of Computer Games, Part II: Digitizing Nerddom

Key Points

• D&D’s statistical mechanics shaped CRPGs more than its narrative role-play.
• Adventure games diverged from D&D, embracing fixed protagonists and literary narratives.
• CRPGs emerged independently, with PLATO hosting an early ecosystem.

go.sum Is Not a Lockfile

Key Points

• go.sum is a checksum cache, not a lockfile; it doesn’t affect version resolution.
• go.mod is the authoritative source for exact dependency versions (includes transitives since Go 1.17).
• Parse go.mod via x/mod/modfile or go mod edit -json; manage updates with the -mod flag.

Project Patchouli: Open-source electromagnetic drawing tablet hardware

Key Points

• Open-source EMR pen tablet hardware with coil array, RF front end, and DSP.
• Compatibility with most commercial EMR pens and focus on ultra-low latency.
• Clear licensing: CC BY 4.0 (docs/media), CERN-OHL-S (hardware), GPLv3 (code).