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Newcastle MathsJam March 2012 Recap

By Christian Lawson-Perfect. Posted April 20, 2012

It’s been two months since I last wrote one of these!  March was a haze of overwork and stress for me, so I didn’t write a recap for March’s MathsJam while it was still March. Peter Rowlett, who was visiting Newcastle as part of his mission to avoid having to think up new puzzles for MathsJams by always attending different ones (and also to give a talk at the university) has kindly sent me his notes, so here’s what I’ve reconstructed:

Continue reading “Newcastle MathsJam March 2012 Recap” on cp’s mathem-o-blog

MathsJam March 2012 Photos

By Christian Lawson-Perfect. Posted April 8, 2012



In @christianp’s office ahead of Newcastle #MathsJam – @peterrowlett



Manchester: A puzzle from Lewis Caroll: draw this shape without retracing or lifting your pen. Now, write a program that draws it in LOGO!



Manchester: Paul explains a cake slicing puzzle.






Manchester: Andrew has invented a game to keep all the MathsJams occupied for the foreseeable future.



Newcastle: David’s almost Collatz game.



Newcastle: @peterrowlett playing @christianp at Mad Abel card game.






Newcastle: playing pool on a torus. Next up: Klein bottle.



Newcastle: @peterrowlett has Newcastle MathsJam working out @Samuel_Hansen’s zero magic graphs



Manchester: Stellated icosahedron and depleted beverage vessels.






Newcastle: biggger noughts and crosses



Newcastle: Matthew trying to solve David’s almost-Collatz game



Manchester: Andrew’s final cartoon.




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MathsJam February 2012 Photos

By Christian Lawson-Perfect and Peter Rowlett. Posted March 19, 2012






London: tic tac toe puzzles



Newcastle: mathsjammers deep in concentration



Newcastle: trying to arrange these blocks so that they form a correct sum.






Newcastle: Octiamonds



Manchester: inspired by today’s puzzles, @Andrew_Taylor has drawn this



Manchester: dodecahedron






Manchester: approximations of pi



Manchester: The playing cards and vinegar puzzle



Manchester: yet another game of Quarto






Manchester: Lomino-based excitement



Manchester: Serious game of Continuo



Manchester: several types of non-transitive dice






Manchester: mirrored cube assembly puzzle



Manchester: general maths detritus




Newcastle MathsJam February 2012 Recap

By Christian Lawson-Perfect. Posted February 22, 2012

February’s MathsJam was loads of fun! We had a record attendance of 14 cheery people who just about managed to fit around the biggest table in the Charles Grey.

After last month’s puzzlocalypse, which left me for over a week unable to count the toes on my feet, I wanted to have a nice relaxed evening.



Click here to continue reading Newcastle MathsJam February 2012 Recap on cp’s mathem-o-blog

Newcastle MathsJam January 2012 Recap

By Christian Lawson-Perfect. Posted February 3, 2012

January’s MathsJam was a bit massive. It’s now a week later and I’ve only just gathered enough thoughts together to do this writeup.

There were nine of us this month, all but one of whom either maths students or lecturers. A major theme of the night was of professional mathematicians or nearly-professional mathematicians forgetting basic high-school methods. This led to quite an intense session of puzzling and proving.

Things didn’t start out that way, though. A few weeks ago I found the website of a mathematician in Illinois called Alan Schoen, and his page about Lominoes. They’re a pretty interesting set of shapes!

Click here to continue reading Newcastle MathsJam January 2012 Recap on cp’s mathem-o-blog

Newcastle MathsJam December 2011 Recap

By Christian Lawson-Perfect. Posted January 3, 2012

Amazingly, December’s MathsJam had a non-trivial attendance of six whole people. And not just any people! Puzzling heavyweight David Cushing had yet more Renaissance-era riddles to test us all, and the other regulars were in similarly bamboozling form.

I balanced things out by failing to prepare anything or bringing anything to take notes on and subsequently forgetting most of what the others talked about. So this isn’t going to be a very accurate record of what happened, unless I get some reminders in the comments.

 

I’m going to start with a rather lengthy deconstruction of a puzzle Matthew Taylor posed:

A “lights out” puzzle

Matthew posted this puzzle on twitter a couple of days before the MathsJam night.

Click here to continue reading Newcastle MathsJam December 2011 Recap on cp’s mathem-o-blog