Theoretical Physics and Cosmology Questions 2

Development of this FAQ page is supported by a grant (#MGA-08-005) from The Foundational Questions Institute (fqxi.org)

The following are some interesting questions asked by the public attending Multiversal Journeys events in Los Angeles, Chicago and Cambridge Part 2:

Other Questions about Theoretical Physics and Cosmology #2:
From left to right: Prof. Lawrence Krauss, Farzad Nekoogar (Multiversal Journeys), and Prof. Itzhak Bars.
Question: What is the total energy of a flat universe?
Answer: Prof. Lawrence Krauss
From left to right: Prof. Ken Olum and Prof. Lawrence Krauss
Question: What is the anthropic principle?
Answer: Prof. Lawrence Krauss
From left to right: Prof. Ken Olum and Prof. Lawrence Krauss
Question: What is gravity?
Answer: Prof. Olum & Prof. Lawrence Krauss
From left to right: Prof. Ken Olum and Prof. Lawrence Krauss
Question: Why space expands faster than speed of light?
Answer: Prof. Lawrence Krauss & Prof. Olum
From left to right: Prof. Ken Olum and Prof. Lawrence Krauss
Question: Could you engineer dark energy?
Answer: Prof. Lawrence Krauss & Prof. Olum