
An Australian sanitary pad company has hit upon a witty tagline for their product: Literally thousands of people have signed a petition to tell Libra that that’s not OK.

An Australian sanitary pad company has hit upon a witty tagline for their product: Literally thousands of people have signed a petition to tell Libra that that’s not OK.

To celebrate the release of the upcoming Alan Turing biopic The Imitation Game (see our incisive analysis of the film’s trailer by James Grime) the guys at the University of Manchester – who have previously run the hugely successful Alan Turing Cryptography competition – have been asked to run a one-off Imitation Game Cryptography Competition. And they have.…
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of September, and compiled by William Wu, is now online at MathTuition88. 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.

The Online Encyclopedia of Integer Sequences contains over 200,000 sequences. It contains classics, curios, thousands of derivatives entered purely for completeness’s sake, short sequences whose completion would be a huge mathematical achievement, and some entries which are just downright silly. For a lark, David and I have decided to review some of the Encyclopedia’s sequences.…
Puzzlebomb is a monthly puzzle compendium. Issue 34 of Puzzlebomb, for October 2014, can be found here: Puzzlebomb – Issue 34 – October 2014 The solutions to Issue 34 can be found here: Puzzlebomb – Issue 34 – October 2014 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here.

Manchester Science Festival takes over the city from 23rd October – 2nd November this year, and it’s got a great selection of mathematical events. If you’re based locally, or thinking of heading over there for any of the time, here’s The Aperiodical’s guide to where to get your factorial fix.
John Edmark has 3d-printed a series of sculptures which do something rather remarkable when you rotate them. In the stop-motion animation above, the sculpture rotates by the golden angle in each frame. See more: Blooming Zoetrope Sculptures by John Edmark at Instructables. via Henry Segerman on Google+