31:56

Lecture 7: Transportation Systems: What Can Cities Do?

43:22

Lecture 1: Introduction to Power Electronics

22:47

Lecture 1: Cities and Climate Action: Or, Why Take This Class?

27:15

The Most Misunderstood Concept in Physics

15:54

How this LED Tech MADE IN CHINA is impacting the whole WORLD

2:02:59

Thomas Piketty visits HLS to debate his book 'Capital in the Twenty-First Century'

59:43

Lecture 1: Motivation, Intuition, and Examples

43:48

Generative AI + Education: Will Generative AI Transform Learning and Education