Steve gets all festive and tries to improve on the festive lights he built a mere 11 years ago...
Dr Steve Bagley is based at the University of Nottingham.
Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile
This video was filmed and edited by Sean Riley.
Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com