42:12 duration 42 minutes 12 seconds
CNF 30th - Constituting the NanoScale: Lessons…
CNF 30th - Constituting the NanoScale: Lessons from the 20th Century
01:03:38 duration 1 hour 3 minutes
2019 Racker Technical Lecture 11-22-2019
01:26:20 duration 1 hour 26 minutes
2019 Racker Lecure 11-21-2019 - Public Lecture