Geomapping London
http://spatialanalysis.co.uk/wp-content/uploads/2013/04/james_cheshire_ggplot_intro_blog.pdf
Graph Theory
https://dev.to/vaidehijoshi/a-gentle-introduction-to-graph-theory
Arduino
https://create.arduino.cc/projecthub/Arduino_Genuino/getting-started-with-the-arduino-web-editor-4b3e4a
https://www.arduino.cc/en/Reference/HomePage
https://github.com/punkplod23/CodeClubArduino
Making robots
http://www.instructables.com/id/How-To-Make-an-Obstacle-Avoiding-Arduino-Robot/
http://makezine.com/projects/building-a-simple-arduino-robot/
https://www.bps.ac.uk/news-events/future-scientific-meetings
http://www.mathematicshed.com/the-gender-neutral-shed.html
