Since ancient times mathematicians and geometricians have used visualisations to describe, discuss, study and teach mathematics. In mathematics education, visualisations are still used whenever possible to support teaching, to inspire students and feed their need to actually see abstract mathematical facts. In our times, virtual reality presents a…

Second Life is a three-dimensional, multi-user virtual environment that has attracted particular attention for its instructional potential in professional development and higher education settings. This article describes Second Life in general and explores the benefits and challenges of using it for teaching and learning.