EiJ Concept: Median Income
This essay explains the concept of "median income" and provides resources for teaching it in various contexts.
Pohang: POSCO Museum
Photo essay of wall text of POSCO Museum of Pohang
KWMC_Sejong_What is auto in auto clean net? (tentative)
In Sejong Self-Governing City, waste collection and management revolves around a specific technological artifact, the Automatic Clean Net System.
