Living Museum of Learning

From a row of classrooms to a Python algorithm

Enning faces mistakes with a smile—and discovers the power of abstraction

From 29/30 to Grade 5, from Gomoku loops to asking why the rule makes sense

From prime numbers and fractions to mixed numbers: a long-overdue attack on a huge hole.

A teenager calculated a soccer ball on paper, waited for his computer, and finally watched the mathematics become a truncated icosahedron.

Two ordinary words. Two weeks of silence. Then, suddenly, Tianjing spoke.