World Science Festival | Roger Penrose: Time, Black Holes, and the Cosmos @WorldScienceFestival | Uploaded 3 weeks ago | Updated 1 hour ago
Nobel Laureate Roger Penrose joins Brian Greene to explore some of his most iconic insights into the nature of time, black holes, and cosmological evolution.

Moderator: Brian Greene
Participant: Sir Roger Penrose

00:00 - Introduction
00:49 - Participant Introduction
02:02 - A Working Definition of Time
07:25 - Applying Entropy and The Second Law to the Directionality of Time
16:37 - What The Early Universe May Have Looked Like
20:27 - Solving the Puzzle of The Past Hypothesis
31:46 - Investigating Exponential Expansion
38:50 - New Discoveries and Discourse Since 2004
55:41 - A Peek Into Sir Roger Penrose’s Continuing Research
01:08:17 - Credits

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