Puzzlebomb is a monthly puzzle compendium. Issue 43 of Puzzlebomb, for July 2015, can be found here: Puzzlebomb – Issue 43 – July 2015 The solutions to Issue 43 can be found here: Puzzlebomb – Issue 43 – July 2015 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here.
How many ways to shuffle a pack of cards?

This is an excerpt from friend of The Aperiodical, Matt Parker’s book, “Things to Make and Do in the Fourth Dimension”, which is out now in paperback.
Review: Cakes, Custard and Category Theory by Eugenia Cheng

Aperiodical cake-sleuth Katie, along with some other mathematicians, take on the baking challenge of Eugenia Cheng’s new book, while reviewing it.
Mathematical Scarves Kickstarter
If you like your accessories ‘provably unique’, check out this mathematically interesting Kickstarter project – KnitYak, aka Fabienne Serriere, is going to generate some knitting patterns for scarves algorithmically, so no two scarves will be the same. They’ve hacked a knitting machine to use cellular automata to generate unique black-and-white patterns, which will be knitted in merino…
The Amazing World of MC Escher
M.C. Escher, not the DJ but the Dutch graphic artist, is well known as being hugely influenced by mathematics. His woodcuts, lithographs and mezzotints (me neither) contain everything from warped perspective and optical illusions that play around with notions of distance and space, to beautiful tilings and tessellations with a distinctly mathematical flavour. The first…
Registration for the 2015 MathsJam conference is now open

The MathsJam annual conference is a magical time when maths geeks converge on a conference centre in the middle of nowhere near Stone and spend a weekend sharing their favourite puzzles, games, and mind-blowing maths facts. Registration for the 2015 weekend, taking place on 6-7 November, has now been opened. More information about the conference, and…
Review: The Illustrated Lilavati, by Somdip Datta

Somdip Datta wrote in to tell us about his illustration of the classic maths textbook, Lilavati, by the Indian mathematician Bhāskara II. Lilavati contains definitions, algorithms and problems dealing with arithmetic, geometry, combinations, and quadratic equations, all written in meter.