The Aperiodical logo

  • About
  • Podcasts
  • Carnival of Mathematics
  • Send something in
  • RSS
    Travels in a Mathematical World

    Podcast: Episode 23 – Paul Shepherd, Decimation and Subdivision

    By Peter Rowlett. Posted March 29, 2009

    These are the show notes for episode 23 of the Travels in a Mathematical World podcast. Readers of this blog will know I am relieved to have remembered to note that 23 is prime. 23 is an interesting number thanks to the birthday problem: In a group of 23 or more randomly selected people there…

    Read more…
    Travels in a Mathematical World

    Neil Goldwasser on Maths Careers

    By Peter Rowlett. Posted March 22, 2009

    I am happy to report a friend from university, Neil Goldwasser, who now works as a Dyslexia Support Tutor and Adult Numeracy Tutor for Hertford Regional College, who I featured on Episode 7 of the Travels in a Mathematical World podcast, has submitted a profile to the Maths Careers website. View Neil Goldwasser’s career profile…

    Read more…
    Travels in a Mathematical World

    Podcast Episode 22: Mike Maher, Transport modelling

    By Peter Rowlett. Posted March 22, 2009

    These are the show notes for episode 22 of the Travels in a Mathematical World podcast. 22 is the smallest multidigit number such that the sum of its digits equals the product of its digits. More about 22 from Number Gossip. Recently I visited Scotland and while there I met Mike Maher, Professor of the…

    Read more…
    Travels in a Mathematical World

    9 is an experimental error

    By Peter Rowlett. Posted March 14, 2009

    As many will know, at the start of episodes of the Travels in a Mathematical World podcast I give a number fact. My intention at the start was that I would also point out when numbers are prime, buoyed on by enthusiasm for prime numbers. In episode 9 of the Travels in a Mathematical World…

    Read more…
    Travels in a Mathematical World

    Podcast Episode 21: History with Noel-Ann Bradshaw, Turing

    By Peter Rowlett. Posted March 14, 2009

    These are the show notes for episode 21 of the Travels in a Mathematical World podcast. 21 is the number of squares in the unique smallest simple squared square. You can see the square with some more information on the page about its use as the logo of the The Trinity Mathematical Society at Cambridge.…

    Read more…
    Travels in a Mathematical World

    Spinning careers in Leicester

    By Peter Rowlett. Posted March 14, 2009

    Last week I visited the University of Leicester at the invitation of the Student Union Maths Society (SUMS) to give my talks on careers and on spin in ball games, following by playing Tennis on the IMA Wii. There are some pictures below. In a busy week, this was a fun evening with a nice…

    Read more…
    Travels in a Mathematical World

    Who watches the listeners?

    By Peter Rowlett. Posted March 11, 2009

    Web site logs are compelling and addictive. I have just got lost in the logs for the blog and podcast for half an hour before my phone beeped and drew me back to the real world. Anyway, I am interested to see the following websites sending people to this blog and the Travels in a…

    Read more…
  • «Newer Entries
  • Older Entries »

The Aperiodical is a magazine and blog for people who already know they like maths and would like to know more.

Latest news posts

  • Aperiodical News Roundup – October & November 2025
  • Aperiodical News Roundup – August/September 2025
  • #mathober 2025
  • Aperiodical News Roundup – June & July 2025
  • Maths at the Edinburgh Fringe, 2025

Categories

  • Apéryodical
  • Columns
    • A Gardner's Dozen in TikZ
    • Aperiodical Round Up
    • Arty Maths
    • Blackboard Bold
    • Carnival of Mathematics
    • cp's mathem-o-blog
      • Adventures in 3D printing
      • Beach Spectres
      • Integer Sequence Review
    • Double Maths First Thing
    • Follow Friday
    • Interesting Esoterica Summation
    • Irregulars
    • Maths Colm
    • MathsJam
      • MathsJam Recaps
    • Matt Parker's Twitter Puzzles
    • Pascal’s Triangle and its Secrets
    • Phil. Trans. Aperiodic.
    • Puzzlebomb
    • Recreational Maths Seminar
    • The Aperiodical's Mathematical Survey
    • Thoughts of a Maths Enthusiast
    • Travels in a Mathematical World
  • Main
    • Aperiodvent
    • Features
    • Interviews
    • News
      • Competitions
      • Events
        • Black Mathematician Month
      • News Roundup
    • Podcasts
      • All Squared
      • Cushing and CP's Random Talks
      • Mathematical Objects
      • Podcasting About
      • The Aperiodcast
    • Reviews
    • Videos
      • -e^iπ to Watch
  • Pictures
  • Puzzling
  • Report
  • The Big Internet Math-Off
    • The Big Internet Math-Off 2018
    • The Big Internet Math-Off 2019
    • The Big Internet Math-Off 2024
    • The Big Lock-Down Math-Off

The Aperiodical © 2025 Peter Rowlett, Katie Steckles and Christian Lawson-Perfect. All posts © their authors. All rights reserved.