Aperiodipal numero uno Samuel Hansen’s acclaimed podcast series Relatively Prime is back, on a new monthly schedule, with an episode about how PhD student Ibrahim Sharif designed a lottery to award licences to sell cannabis in the state of Washington. When the stakes are so high (geddit?! – Ed.) you have to be really sure that your…
Multiples of nine have a useful and satisfying property – but how much further can Katie investigate, armed only with the spreadsheet app on her phone?
Puzzlebomb is a monthly puzzle compendium. Issue 60 of Puzzlebomb, for December 2016, can be found here: Puzzlebomb – Issue 60 – December 2016 (printer-friendly version) The solutions to Issue 59 can be found here: Puzzlebomb – Issue 60 – December 2016 – Solutions This will be the last regular monthly Puzzlebomb – in future, there will…
The Association for Women in Mathematics in the USA is running its annual essay contest again, open to students in three age categories from Grade 6 to undergraduate. Here’s the blurb: To increase awareness of women’s ongoing contributions to the mathematical sciences, the Association for Women in Mathematics (AWM) and Math for America are co-sponsoring…
Back in 2013, our own Christian Lawson-Perfect came up with a way of making a solid from the smallest non-Hamiltonian graph, the Herschel Graph. Called the Herschel Enneahedron, it’s got nine faces (three squares and six kites) and the same symmetries as the graph itself. The most recent news is that Spektrum magazine – sort…
Registration for the 2017 Alan Turing Cryptography Competition is now open!
Not content with already having five cubes named after him, internet maths phenomenon James Grime has now developed a new Rubik’s cube-style puzzle for internet maths joy merchants Maths Gear. I’ve been slightly involved in the development process, so I thought I’d share some of the interesting maths behind it. Another name for a Rubik’s…