Puzzlebomb is a monthly puzzle compendium. Issue 19 of Puzzlebomb, for July 2013, can be found here: Puzzlebomb – Issue 19 – July 2013 The solutions to Issue 19 can be found here: Puzzlebomb – Issue 19 – July 2013 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here.
Carnival of Mathematics 100
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of June, and compiled by author Richard Elwes, is now online at Simple City. 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.
MathsJam Conference Website: Nice
Maths news, of a sort! The MathsJam conference, which takes place in November and brings together recreational maths nuts from all over the UK and world, has now got a new improved website. MathsJam is a monthly pub night for maths fans, where people can come together and share puzzles, games, problems or anything they…
Integer Sequence Review Mêlée Hyper-Battle DX 2000 (Bracket 2)
Last week A002210, the decimal expansion of Khintchine’s constant, emerged victorious from Bracket 1. Now, get ready for round 2 of… Here are the rules: we’re judging each sequence on four axes: Aesthetics, Completeness, Explicability, and Novelty. We’re reviewing six sequences each week for four weeks, picking a winner from each. Then, we’ll pick one sequence from…
Ghost Diagrams
Yet another fun toy for you. Give a computer a set of tiles defined by what their edges look like, can you fit them together? That problem is undecidable, since you can encode Turing machines as sets of tiles, but it turns out it’s fun to watch a computer try. Ghost Diagrams asks you for…
Another open source textbook
Recognising a good idea when he sees one, William Stein has put the source code to his Springer-published undergraduate textbook Elementary Number Theory: Primes, Congruences, and Secrets: A Computational Approach on GitHub. The book introduces classical elementary number theory and elliptic curves, with lots of Sage code to encourage you to play around with the structures…
A bit of midweek fun: ANCIENT GREEK GEOMETRY
This is a fun game to while away the midweek blues. You’re presented with two dots. You can drag between dots to create lines and circles, as if you had a straightedge and compass. Apart from a few challenges to get you thinking, that’s pretty much it! The game was created by Nico Disseldorp, who…