DIFF.BLOG
New Following Discover Jobs
More
Top Writers Suggest a blog Upvotes plugin
Report bug Contact About
Sign up
Topics
Follow your own topics →
Menu
New Following Discover Jobs Top Writers
More
Suggest a blog Upvotes plugin Report bug Contact About
Sign up
The home for great developer writing.
We surface the best developer writing from thousands of independent blogs, updated daily.
Join Diff.blog
TOPICS

The Great Icosahedron

201 · John Carlos Baez · May 27, 2026, 8:09 a.m.
mathematics icosahedron Galois group Rational Numbers Geometry
Summary
John Carlos Baez explores the properties of the great icosahedron and its relationship with the field of rational numbers augmented by the square root of 5, highlighting its geometric transformations through the Galois group.
Read full post on johncarlosbaez.wordpress.com →
MORE POSTS LIKE THIS
From Pentagons to Pentagrams
John Carlos Baez · May 29, 2026
mathematics icosahedron
Impossible rational triangles
John Cook · Sep 2, 2025
Math Number theory
The “Einstein Tile” That Broke Math Is Now Twisting Light Into Pinwheels
Thedebrief · Aug 3, 2026
Breaking News Physics
A digestion of unit distance constructions
Terence Tao · Jul 3, 2026
expository math.CO
A seventeenth-century teacher of geometry, who christened his son Euclid
Thonyc Wordpress · May 15, 2026
History of Mathematics Scientific Instrument Makers
One Year With The Framework Laptop 13
Sebin Nyshkim · Aug 17, 2026
review hardware
Discover more posts →
AUTHOR
RECENT POSTS FROM THE AUTHOR
Choose how you want to continue.
Continue with GitHub Continue with Google