"Just send me a PDF!" – but what kind of PDF? As Professor Brailsford explains, PDF is simply a wrapper which can contain a variety of joys!
This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: https://bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com