Santa's sharing some Christmas jokes and puns that he and the elves have been enjoying.
We also discuss the aerodynamics of Santa's sleigh including the importance of reducing drag and creating an aerodynamic shape for efficient travel.

The Great Fire Trail: a free Time Hunters history walk around the City of London
1:02:38

Marina Ventura and The Micro-Gridders: Your Go... Designing A Grid of the Future
04:40

Marina Ventura and The Micro-Gridders: Energy Guzzlers
05:27