Reminder: I’m occasionally working to (sort of) recreate Martin Gardner’s cover images from Scientific American, the so-called Gardner’s Dozen. This time I’m looking at the cover image from the July 1965 issue, accompanying the column on ‘op art’ (which became chapter 24 in Martin Gardner’s Sixth Book of Mathematical Diversions from Scientific American).
Pythagoras and his theorem
In this guest post, David Benjamin shares a cornucopia of concepts and stories relating to Pythagoras and his famous theorem. I admit to mild irritation when I’m told that Pythagoras’ theorem is $a^2+b^2=c^2$. The theorem is based on area – in particular, that of squares. There are many proofs of the theorem and in this…
New Book – Short Cuts: Maths
Our own Katie and Peter have collaborated on a new popular maths book, along with friends of the site Alison Kiddle and Sam Hartburn, which is out today. Short Cuts: Maths is an “expert guide to mastering the numbers behind the mysteries of modern mathematics,” and includes a range of topics from infinity and imaginary…
Mathematical Objects: Post-season 7 update
A short update from Katie and Peter. Podcast: Play in new window | Download Subscribe: RSS | List of episodes
Carnival of Mathematics 220
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of September 2023, is now online at Infinitely Irrational. 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.
Aperiodical News Roundup – September 2023
Here’s a roundup of some things that happened in September 2023 that you may have missed.
Kickstarter for algebraic blackjack game 21X launched
Today is the launch of the Kickstarter for 21X, a new card game from board game studio Naylor Games, which describes itself as ‘the Countdown numbers game meets blackjack’. The creators sent us a copy to play with, and I took it along to Manchester MathsJam for a road test. (Read on for info about…