In which we examine the coastline paradox, and discover that distance is even more confusing than we previously thought

In which we learn how to create our own functions, and how to optimise our spatial queries using a spatial index

In which we expand our skills in Python, get to grips with topology and geodesy, and start to discover why building Donald Trump’s US border wall won’t be quite as easy as he thinks…

In which we are introduced to Python and Git, and make our first maps with Python.