Shallow Learning

Code-driven data analysis—no black boxes, just readable pipelines.

The Added Cost of Driving in California

An interactive NPV calculator for California gasoline costs through 2035. Decomposes the pump price into seasonal, crude-and-refining, and regulatory components — and shows…

Caesar Cipher: An Interactive Encoder/Decoder

cryptography

games

interactive

Encrypt and decrypt messages using one of history’s oldest ciphers — with a cold-war terminal aesthetic, solo and two-player modes, hints, scoring, and shareable puzzle…

Crack an Enigma Message

cryptography

history

simulation

A historically accurate Enigma cipher machine and Turing-Welchman Bombe simulator — encrypt a message like a U-boat commander, then break it like Bletchley Park.

Machine learning, in one robot

An input → rule → output robot explains the difference between programming and machine learning. Includes a live gradient-descent demo that watches the rule emerge from data.