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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7, Brane New World.

Multiple Choice Questions

1. How many books a year are estimated to be published?
(a) Two hundred thousand books.
(b) One thousand books.
(c) Three hundred thousand books.
(d) Four hundred thousand books.

2. What kind of energy density might an advanced civilization be able to create?
(a) An energy density finite on a spatial plane.
(b) An energy density infinite on a level ground.
(c) An energy density finite on a time boundary.
(d) An energy density infinite on a spatial boundary.

3. What final state does Hawking wonder if humanity will ever reach?
(a) Geography and geology.
(b) Science and technology.
(c) Chemistry and physics.
(d) Ecology and biology.

4. What does time have?
(a) A mark.
(b) A presence.
(c) A shape.
(d) A being.

5. What kind of fluctuations do we have to consider to answer whether or not time travel is possible?
(a) Geological fluctuations.
(b) Spacetime fluctuations.
(c) Quantum fluctuations.
(d) Spatial fluctuations.

Short Answer Questions

1. What did this theory of curved spaces help Einstein and Marcel Grossman to do?

2. What did Penrose and Hawking demonstrate concerning General Relativity?

3. What is the name of Hawking's conjecture about the laws of physics and macroscopic time travel?

4. What may imaginary time surfaces actually be?

5. What is one hundred thousand times faster than evolution?

(see the answer key)

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