Inspired by Gathering for Gardner in the US there is Maths Jam in the UK: You can find the web page at http://www.mathsjam.com/. This meeting is organized by Colin Wright, David Bedford, James Grime, Matt Parker and Rob Eastaway. The website states that The primary purpose of the event is the sharing of puzzles, problems, games, ideas, questions and other stuff the delegates would find interesting.  There will be three sessions over a weekend and Each session will consist of talks, each of 5, 10 or 15 minutes, interspersed with breaks for tea, coffee, discussion, networking, or whatever the delegates want. If I wasn’t already busy on the weekend of 13-14 November, I would be...