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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 3:
Other Questions about Theoretical Physics and Cosmology #3:  
From left to right: Prof. Ken Olum and Prof. Lawrence Krauss

Question: How can we measure the information in the entire universe?
Answer: Prof. Lawrence Krauss
From left to right: Prof. Fred Adams and Prof. Lawrence Krauss

Question: What are branes?
Answer: Prof. Lawrence Krauss
From left to right: Prof. Fred Adams and Prof. Lawrence Krauss

Question: What are cosmic strings?
Answer: Prof. Adams & Prof. Lawrence Krauss
From left to right: Prof. Fred Adams and Prof. Lawrence Krauss

Question: What is the relationship between the arrow of time and the expansion of the universe?
Answer: Prof. Lawrence Krauss & Prof. Adams
From left to right: Prof. Anthony Aguirre, Prof. Gary Horowitz, and Prof. John Terning.

Question: What is the relationship between the expansion of the universe and time?
Answer: Prof. Gary Horowitz and Prof. John Terning.