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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