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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 do the Schrodinger equations assume?
(a) That force is a product of gravity.
(b) That speed is a constant.
(c) That time runs smoothly everywhere.
(d) That motion is inverse to acceleration.

2. What would a civilization have to do to build a time machine?
(a) Create a new cosmos.
(b) Generate enough heat to fuel the time machine's engines.
(c) Surpass a time travel "horizon."
(d) Preclude the time travel paradox.

3. What popular sci-fi show does Hawking refer to when discussing its differences with humanity in a millennium?
(a) Star Wars.
(b) Torchwood.
(c) Doctor Who.
(d) Star Trek.

4. What is Feynman's history idea called?
(a) Singular history idea.
(b) Fictional history idea.
(c) Imaginary history idea.
(d) Multiple history idea.

5. How does Hawking state particle states be represented?
(a) With light functions.
(b) With wave functions.
(c) With bell curves.
(d) With satellite functions.

Short Answer Questions

1. What question does Hawking ask about extraterrestrials?

2. In what realm of physics is it important to consider the Schrodinger equation?

3. What final state does Hawking wonder if humanity will ever reach?

4. What does the p-brane model show about information?

5. How could time travel be possible?

Short Essay Questions

1. What are wormholes?

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

3. What did Strominger and Vafa postulate in 1996?

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

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

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

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

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

9. What is the grandfather paradox?

10. What will happen as brains increase in size?

(see the answer keys)

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