← back to hub

A quiet corner of the grove

Learn

Tutorials, trainers & interactive explainers — typed up, inked over, and filed in alphabetical order.

Interactive Tutorial

Apollo: The Art of the Return

Learn the math behind a road to the Moon — eight interactive lessons, varied math practice, a narrated ManimGX film, and a rocket you navigate yourself.

Plot a course →
Guide

Canon Rebel T5i Trainer

Interactive guide for learning Canon EOS Rebel T5i controls, shooting modes, exposure, autofocus, and quick field workflows.

Open lesson →
Explainer

Cellular Learning Automata

Interactive explainer of emergent consensus through distributed reinforcement learning using Cellular Learning Automata.

Open lesson →Gemini 3.1 Pro · High
Visualizer

China Population Density

Interactive map of China’s 34 province-level divisions — people per km², major cities, and 2020 census stats with density and population color modes.

Open lesson →
Atlas

EU–U.S. Sentiment Atlas

Interactive public-opinion atlas of how EU27 countries view the United States — image, leadership, reliability, and policy handling, with sources for every measure.

Open lesson →
Tutorial

Freezing Water with Gas

Interactive thermodynamics tutorial — ideal gas law, adiabatic expansion, refrigeration cycles, and a live simulator for freezing water with compressed gas.

Open lesson →
Explainer

Gonka, Explained

Source-grounded explainer of David Liberman’s Decentralized AI white paper and the Gonka network design.

Open lesson →
Explainer

Hist Gradient Boosting

Interactive explainer of histogram-based gradient boosting — binning, gradient histograms, split scanning, and boosted trees fitting live on toy data.

Open lesson →
Tutorial

Key Driver Analysis

Interactive tutorial on key driver analysis — correlation traps, standardized betas, Shapley importance, and the importance×performance quadrant, with a live survey sandbox.

Open lesson →Claude Opus 5
Visualizer

Loop Engineering in Antigravity

Interactive guide explaining autonomous AI decision cycles, safety guardrails, sandboxed assistant delegation, and persistent memory loops.

Open lesson →Gemini 3.6 Flash · High
Visualizer

Pangaea to Present

An interactive colour-ASCII atlas of continental drift: scrub 250 million years from the supercontinent to today, pan and zoom with mouse, touch or keyboard, in light or dark.

Open lesson →
Tutorial

Shapley Value Estimation

Interactive introduction to Shapley values in machine learning — coalitions, fair credit, permutation sampling, and KernelSHAP, taught on a live 3D lattice.

Open lesson →
Notebook

A Signal From Ahead

Four ways a future intelligence could be steering AI right now — simulation, a final boundary condition, nonlinear quantum mechanics, a primordial wormhole — each an experiment you can run, with the odds.

Open notebook →
Experiment

Signals Take Time

Train a tiny neural cellular automaton in your browser, then compare current neighbors with distance-delayed signals and an expanding radius.

Open experiment →
Tutorial

Strange Attractors

The mathematics of strange attractors — phase space, stretching and folding, bifurcations, fractal dimension — explained visually, with interactive experiments.

Open lesson →
Tutorial

SynthID-Text

How Google DeepMind watermarks model output through keyed token sampling — tournament choices, statistical detection, non-distortion, thresholds, edits, and honest limits.

Open lesson →
Tutorial

Text Steganography

How secrets hide inside ordinary text — null ciphers, zero-width characters, synonym codes, and the censor’s scanner that catches them, with hands-on encoders under a UV lamp.

Open lesson →Claude Fable 5
Visualizer

US Grid & Data Centers

Interactive map overlay showing US data center locations, grid capacity, and energy infrastructure across time.

Open lesson →