Trying to build the 3, 4, 4, 6 tiling by adding polygons around each vertex (indicated with a white dot) in the order triangle-square-square-hexagon.
More from Chalkdust
Math Games with Bad Drawings
We review the fourth of this year’s nominees for the Book of the Year
What’s hot and what’s not, Issue 16
Fashion is fleeting, Chalkdust regulars are not.
Will this article ever end?
Emilio McAllister Fognini explores the maths that made Turing so famous
Primes à la Euler
Infinitely many primes ending in 1, 3, 7 and 9 proved in typically Eulerian style.
Advent puzzles I
Behind the second door of the advent calendar, there is a puzzle
The analytics of healthcare
Simple Statistics can help businesses make informed decisions