This is part of the Aperiodical Advent Calendar. We’ll be posting a new surprise for you each morning until Christmas!
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The Aperiodical’s Actually Hexagonal Snowflake Competition 2015
COMPETITION DEADLINE EXTENDED – SEE BELOW!
To celebrate the year end, as well as our daily Advent Calendar posts, we’re also running a little competition – last year we did a pun competition, and this year it’s something a bit more crafty – well, it’s a knitting competition in which the knitting is optional.
Aperiodvent, Day 18: Numbers Aplenty
Ever wanted to look up a number and find out all kinds of things about it (like, if you’re making a mathematical advent calendar and want interesting facts about the date each day)? No longer do you have to sift through all the tedious non-maths facts you get if you look up a number on Wikipedia: there’s Numbers Aplenty, which allows you to type in any integer up to 15 digits long, and it’ll tell you a long list of the interesting mathematical properties it has. Integeresting!
This is part of the Aperiodical Advent Calendar. We’ll be posting a new surprise for you each morning until Christmas!
Carnival of Mathematics 129
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of November, and compiled by the team at Ganit Charcha to celebrate the birthday of Srinivasa Ramanujan, is now online at Ganit Charcha.
The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
Aperiodvent, Day 17: Old Pappus’ Book of Mathematical Calligraphy
Mathematician and part-time calligrapher Andrew Stacey has assembled a beautiful guide to mathematical calligraphy, from the way mathematicians use notation to how different types of symbols can be written using calligraphy techniques. So you can sign all your Christmas cards with maths notation, and keep them looking pretty at the same time!
This is part of the Aperiodical Advent Calendar. We’ll be posting a new surprise for you each morning until Christmas!
Christmas Symme-tree
Christmas wrapping paper is sold in thousands of different variations, including plain, coloured, patterned, foiled and even flock, but one thing it’ll have in common is that it will repeat whatever pattern it has, regularly across the design.
I’m interested in symmetry, and was intrigued to find a curious fact about the symmetries of such repeating patterns – their symmetries are quite limited.
Aperiodvent, Day 15: Mathematiques Modernes – A + B = C
This is part of the Aperiodical Advent Calendar. We’ll be posting a new surprise for you each morning until Christmas!