Claus Kiefe explores the concept of time in quantum gravity, focusing on the Wheeler-DeWitt equation.

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• "Claus Kiefer: "Does Time Exist in Quantum Gravity?"": Claus Kiefe talks about the question "Does Time Exist in Quantum Gravity?" The speaker discusses quantum geometric dynamics, an approach to canonical quantum gravity, and the Wheeler-DeWitt equation.
• The Quantum State of the Universe - A Dialogue with Sean Carroll and Alan Guth: Sean Carroll and Alan Guth discuss the quantum state of the universe.
• "What Exists in the Quantum Universe by Steve Giddings"Quantum mechanics is undoubtedly one of the most successful physical theories, and seemingly all observed events respect its principles. However, will it still hold true for the Ultimate Quantum Theory? What implications does it have for questions like "What exists?", "What are observations?", and "What is the structure of quantum gravity?" Join Steve Giddings as he delves into these profound topics.