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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 paradox does time travel generate?
(a) The light year paradox.
(b) The snooze button paradox.
(c) The grandmother paradox.
(d) The grandfather paradox.

2. What does the Schrodinger equation specify?
(a) The rate at which wave function changes with time.
(b) The rate at which satellites operate particle states.
(c) The rate at which light function changes with speed.
(d) The rate at which bell curves change with motion.

3. How do most discussions of time travel begin?
(a) With general relativity.
(b) With special relativity.
(c) With perpendicular theorems.
(d) With longitudinal equations.

4. What is the name of Hawking's conjecture about the laws of physics and macroscopic time travel?
(a) The Chronological Spacetime Conjecture.
(b) The Theoretical Projection Conjecture.
(c) The Chronology Protection Conjecture.
(d) The Timeline Protection Conjecture.

5. What is doubling its computational power every eighteen months?
(a) Alarm.
(b) Cellphone.
(c) Satellite.
(d) Computer.

Short Answer Questions

1. What is a practical limit on the design of faster computers?

2. What will be preserved if this equation determines the wave function?

3. What laws might allow space-time to warp to allow a spaceship to travel through the past?

4. What are singularities?

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

Short Essay Questions

1. What does Hawking believe black holes radiate?

2. At what rate is the computational power of computers increasing, and what computational rate might they actually reach?

3. What did the physicist John Wheeler mean when he said, "a black hole has no hair"?

4. How does Hawking begin Chapter Four?

5. What final thought does Hawking have about Star Trek and humanity, in the closing of Chapter 6?

6. What does it mean for Hawking to think one can "move" positive vacuum energy?

7. What is the main question concerning space-time, if one avoids philosophical discussion and focuses on the laws of physics?

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

9. What does much of the possibility of time travel depend upon?

10. How would black hole radiation occur?

(see the answer keys)

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