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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 famous quote is attributed to physicist John Wheeler?
(a) A black hole is wearing a wig.
(b) A black hole has no hair.
(c) A black hole is bald.
(d) A black hole has two hairs.

2. What does Hawking think black holes radiate?
(a) Energy.
(b) Light.
(c) Heat.
(d) Sound.

3. What does the p-brane model show about information?
(a) Information can be channeled through bell curves and wave functions.
(b) Information cannot be captured.
(c) Information will escape a bit at a time through waves.
(d) Information will be captured in the p-brane waves' wave functions.

4. What do black holes absorb?
(a) Energy.
(b) Weight.
(c) Heat.
(d) Mass.

5. On what scale does Hawking think time travel occurs?
(a) An incredibly dense scale.
(b) An incredibly small scale.
(c) An incredibly surface-level scale.
(d) An incredibly low scale.

Short Answer Questions

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

2. In what kind of theory does matter behave according to quantum theory?

3. What are wormholes?

4. What question does Hawking ask about extraterrestrials?

5. What does Hawking say might happen if humans don't destroy themselves?

Short Essay Questions

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

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

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

4. How would black hole radiation occur?

5. What is a time travel "horizon"?

6. What partially restores determinism and why?

7. How does Hawking begin Chapter Four?

8. What are three of the things Hawking declares have increased exponentially, doubling every forty years of less?

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

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

(see the answer keys)

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