Time, Black Holes, and the Cosmos - Insights from Roger Penrose

Delve into a captivating discussion between Nobel Laureate Roger Penrose and Brian Greene in this World Science Festival video, exploring profound insights into time, black holes, and cosmic evolution. Begin with a working definition of time, then examine the application of entropy and the Second Law to time's directionality. Investigate theories about the early universe's appearance and tackle the puzzle of the Past Hypothesis. Explore exponential expansion and learn about new discoveries and discourse since 2004. Gain exclusive insight into Sir Roger Penrose's ongoing research in this hour-long intellectual journey through some of the most fascinating concepts in modern physics and cosmology.

- Introduction
- Participant Introduction
- A Working Definition of Time
- Applying Entropy and The Second Law to the Directionality of Time
- What The Early Universe May Have Looked Like
- Solving the Puzzle of The Past Hypothesis
- Investigating Exponential Expansion
- New Discoveries and Discourse Since 2004
- A Peek Into Sir Roger Penrose’s Continuing Research
- Credits