Reading & Writing 11
Doomsday Manual
A field manual for the first minutes, first 72 hours, and long road after a bad day.
Biographies
An engaging, source-aware reading app for the lives and consequences of 100 influential people.
Short Articles
A library of 300 short educational articles, translated and localized into 11 languages.
too.foo's DNA
The front door to too.foo: what it is, why each app exists, and how it is all made.
History Timeline
Zoomable history timeline: major events, eras, and the threads that connect them.
Tree of Life
Zoom from LUCA out to individual species: every branch is a real evolutionary split.
Dinosaurs A to Z
A dinosaur field guide from A to Z, with fossils, scale drawings, and clear lines between evidence and guesswork.
Udacity Nanodegrees
Project notes from old Udacity nanodegrees: what worked, what stuck, and what I would change.
Kaggle Challenges
Competition notes that show how a model improves, one score jump and idea at a time.
Read Blogs
Field notes on robotics, software, and building tools.
Read Novel
A first AI-built novel, with the writing pipeline visible behind the story.
Simulations 6
Solar System
Speed up time and watch the inner planets trace their real paths around the Sun.
Maps
Story-led world map for reading history through routes, cities, and country data.
Hand Tracker
Use your webcam to practice ASL letters and see how hand tracking reads your fingers.
See Sound
See sound draw patterns in sand, and use your microphone to make the plate respond.
Emergent Evolution
Watch simple creatures hunt, flee, eat, and mutate until an ecosystem appears.
Pose Tracker
Use your camera to compare whole-body pose models and see a skeleton move with you.
Learn 13
Machine Learning
Learn machine learning from simple predictions to modern models, with demos you can poke instead of just formulas.
Electrical Engineering
Build intuition for circuits, ESP32 boards, motors, power, and measurement with practical lessons.
Rust
Learn Rust by editing real code and seeing why the compiler pushes back.
GD&T
Geometric dimensioning and tolerancing taught through drawings you can manipulate, not symbols you memorize.
Robotics
Robotics from motion and sensors to planning and swarms, with simulations you can push around.
C++
Modern C++ through the problems it solves: memory, ownership, templates, and safer everyday code.
GitHub
Git explained from the crisis that created it to the commands that save real projects.
Cloudflare Stack
Learn how sites reach the internet: domains, DNS, Workers, storage, caching, and the traps that break them.
Data Structures
Data structures you can touch: stacks, queues, trees, graphs, and the tradeoffs behind them.
Computer Vision
Learn how computers see: edges, colors, features, and small demos you can change.
Python
Learn Python by editing live examples in the browser, from first ideas to data-structure patterns.
Linux (Ubuntu)
Learn Linux by using the shell: files, permissions, services, networking, and small terminal demos.
Quantum Theory
An interactive monograph on quantum theory, from first ideas to flying through real electron clouds
Tools 8
Voice
Browser microphone demo for the SBL speech-to-text router with SBL1 preferred
Shipping Lanes
Follow the routes, ports, chokepoints, and news that keep global shipping moving.
Sensor Arcade
A browser playground for your device's sensors: motion, mic, camera, battery, gamepad, and more.
Shipping Crates
Enter a crate size and weight, then see the skids, floorboards, and plywood it needs.
Electronic CAD
Design and test electronic circuits in the browser before building the real board.
Mechanical CAD
Sketch a shape, turn it into a 3D part, and export a model from the browser.
Polls
Invite-only polls that show how answers spread through a sharing tree.
Wellness Dashboard
Sleep, recovery, and strain from wearable data, charted in one self-hosted dashboard.