In this Newsletter:
1. Reuleaux triangles
2. Butterfly map of the world
3. Resource: Hour of code
4. Most popular stories in 2015
5. Math puzzles
6. Math movie: Rubik's cube and pianos
7. Final thought: head knowledge or skills?
This movie explores the connections between Rubik's cube and the group theory concepts behind music.
The butterfly map of the world is based on Reuleaux triangles. This article explores some of the story behind this interesting map.
Reuleaux triangles have a property similar to circles - they have constant diameter when rotated.
See the blog sitemap for all previous articles.
(External blogs linking to IntMath)
From Math Blogs
