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# Talks, etc.

I regularly give talks and run workshops for groups of all ages. If you'd like me to do something at your event, drop me an email.

### Braiding

Me talking about braiding.
My most regularly given talk is about braiding, and is based around the problem outlined in this blog post.
In this talk, I explain how to make a braid with a cardboard octogon, by repeatedly moving the third strand of wool. The talk then moves on to look at which other numbers could be used in the place of 8 (the number of sides) and 3 (the strand).
This investigation leads to a discussion of factors, multiples, and coprime numbers and encourages the audience to make and test their own conjectures. It has been described as "very engaging" and a "wonderful enrichment activity", which leads audiences to be "still pondering over a theory" long after the talk.
This talk is best when it is around an hour long.

### Tube Map Platonic Solids

In this talk, I prove that there are exactly 5 Platonic solids, and make a selection of them out of London tube maps. Much of the content of this talk is covered in these blog posts.
The main focus of this talk is Euclid's proof that there are exactly 5 Platonic solids, and uses this as a nice introduction to the importance of proof.
This talk is best when it is around an half an hour long.

### MENACE

The aim of this talk is to explain the basics of machine learning, using MENACE—the Machine Educable Noughts And Crosses Engine. MENACE is explained in this blog post and these two Matt Parker videos (guest starring me). There is also a video of me giving a short talk about MENACE here.
This talk is best when it is around 45 minutes long, although I also run an extended two hour version of it as a Royal Institution masterclass.

Below, you will find a list of many talks and workshops I have given, and articles I have written, sorted by year. I also have a scrapbook page where I collect articles about me or mentioning me.
2017

#### Selected Talks & Workshops

Making Mathematical Braids (FMSP Area Co-ordinators Conference)
MENACE: The Machine Educable Noughts and Crosses Engine (RI Masterclass Organisers' Conference)
Making Mathematical Braids (2017 MEI Conference)
Mathematics and Video Games (SHA2017) [video]
Big Ben Strikes Again (MathsJam Gathering)
Bad Stats in the News (Maths in Action)

#### Articles

Is MEDUSA the new BODMAS? [with Adam Townsend] (Chalkdust Magazine Blog)
Chalkdust Crossnumber #5 (Chalkdust Magazine, issue 5)
On the Cover: Dragon Curves (Chalkdust Magazine, issue 5)
Review of Elastic Numbers (Chalkdust Magazine Blog)
How Many Quadratics Factorise? [with Adam Townsend] (Chalkdust Magazine Blog)
Chalkdust Crossnumber #6 (Chalkdust Magazine, issue 6)
In Conversation With Cédric Villani [with Yiannis Simillides & TD Dang] (Chalkdust Magazine, issue 6)

2016

#### Selected Talks & Workshops

Making Mathematical Braids (FMSP's Maths Arts and Crafts Teachers Day)
Four Stories about Recreational Maths: MENACE, @mathslogicbot, Pac-Man and Bouncing (Electromagnetic Field 2016) [video]
Building a MENACE Machine (MATRIX Conference) [video]
Making Mathematical Braids (Inspiring Women in Mathematics, Imperial College London)
MENACE: The Machine Educable Noughts and Crosses Engine (MathsJam Gathering) [slides]

#### Articles

The Mathematical Games of Martin Gardner (Chalkdust Magazine, issue 3)
Chalkdust Crossnumber #3 (Chalkdust Magazine, issue 3)
Carnival of Mathematics 133 (Chalkdust Magazine Blog)
Chalkdust Crossnumber #4 (Chalkdust Magazine, issue 4)

2015

#### Selected Talks & Workshops

MENACE: The Machine Educable Noughts and Crosses Engine (Chaos Computer Camp (CCC)) [write up]
How to Set a Chalkdust Crossnumber (MathsJam Gathering) [slides]

#### Articles

Optimal Pac-Man (Chalkdust Magazine, issue 1)
Chalkdust Crossnumber #1 (Chalkdust Magazine, issue 1)
For the Love of Puzzles (Chalkdust Magazine Blog)
Puzzles on Square Grids (Chalkdust Magazine Blog)
Chalkdust Crossnumber #2 (Chalkdust Magazine, issue 2)
How to Kick a Conversion (Chalkdust Magazine Blog)
@mathslogicbot (Chalkdust Magazine Blog)
2014

#### Talks & Workshops

Recreational Maths in a Field: Flexagons, Folding Tube Maps, Braiding & Sine Curves (Electromagnetic Field 2014) [write up]
© Matthew Scroggs 2017