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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What are singularities?
(a) Time structures that appear infinitely small.
(b) Centers that appear infinitely small and dense.
(c) Centers that appear finitely dense.
(d) Timepieces of infinitely dense space.

2. For nearly all of history, what has moved forward?
(a) The Earth.
(b) Energy.
(c) Humanity.
(d) Spacetime.

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

4. What partially restores determinism as a view?
(a) Quantum curvature.
(b) Quantum mechanics.
(c) Quantum leaps.
(d) Quantum hopes.

5. When was absolute time overthrown as an idea?
(a) Ten years ago.
(b) The idea was never overthrown.
(c) Fifty years ago.
(d) Over 100 years ago.

Short Answer Questions

1. How many books a year are estimated to be published?

2. What are the size of biological brains limited by?

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

4. What do black holes absorb?

5. What kind of rotating Einstein universe does Hawking consider?

Short Essay Questions

1. How do cosmic strings relate to space-time?

2. What does Hawking think he can prove about space-time paths?

3. How many books are published a year, and what does Hawking have to say about the good ones?

4. What are wormholes?

5. What might happen if we do not destroy ourselves?

6. What will happen as brains increase in size?

7. What partially restores determinism and why?

8. How would black hole radiation occur?

9. How does Hawking begin Chapter Four?

10. What did Strominger and Vafa postulate in 1996?

(see the answer keys)

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