Small pages with a code to share.

Short, sourced pages about the world. Each one has its own QR code that anyone can print and share.

Nasca: Lines in the Pampa

Figures made for walking, best seen from the sky. Who the Nasca were, why they drew on the desert, and a QR code you could read from orbit.

Maya: Counting in Twenties

A dot is one, a bar is five, a shell is zero. Maya numbers, calendars, books, and the millions of Maya people today.

Mexica (Aztecs): City on the Lake

Tenochtitlan's canals, causeways and floating gardens, its markets and records, and the city that stands on it today.

Zero: The Number for Nothing

Why zero matters in math, and the long road from a Babylonian placeholder to the digit on every phone.