Computer Musing by Professor Donald E. Knuth.
From the webpage:
Professor Knuth will present his 19th Annual Christmas Tree Lecture on Monday, December 9, 2013 at 7:00 pm in NVIDIA Auditorium in the new Huang Engineering Center, 475 Via Ortega, Stanford University (map). The topic will be Planar Graphs and Ternary Trees. There is no admission charge or registration required. For those unable to come to Stanford, register for the live webinar broadcast.
No doubt heavy sledding but what better way to prepare for the holiday season?
Date: Monday, December 9, 2013
Time:
7 p.m. – 8 p.m. Pacific
10 p.m. – 11 p.m. Eastern