How to make railway timetables (with graphs)

Featuring Hannah Fry discusses Train Graphs.

Hannah's website, including links to her many and varied projects... and latest books: https://hannahfry.co.uk

Her latest book (with Adam Rutherford) is the Complete Guide to Absolutely Everything (Abridged): https://amzn.to/30Mr6UE

Hannah on Numberphile: http://bit.ly/hannah_vids

Hannah on the Numberphile podcast: https://youtu.be/KKCjQWmUwv8