Introduction to Twistor Theory Part 1
1:01:14
Introduction to Twistor Theory Part 2
1:12:51
From the Origins of Twistor Theory to Bi-Twistors and Curved Space-Times
1:46:55
Lecture 1 | String Theory and M-Theory
53:46
Information Theory, Lecture 1: Defining Entropy and Information - Oxford Mathematics 3rd Yr Lecture
1:35:26
Basic Twistor Theory, Bi-twistors, and Split-octonions - Roger Penrose
1:33:00
Sir Roger Penrose on collaborating with Wolfgang Rindler on Spinors and Space Time
26:20
A Sensible Introduction to Category Theory
1:24:55