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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6, Our Future?, Star Trek or Not?.

Multiple Choice Questions

1. How could this energy density be created?
(a) By creating new weights for each energy density.
(b) By separating virtual particles from real particles.
(c) By taking out virtual particles in a closed loop.
(d) By dividing the molecules into fragments and then reassembling them.

2. What sort of lengths do P-branes have?
(a) Circular lengths.
(b) Vertical lengths.
(c) Horizonal lengths.
(d) Directional lengths.

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

4. By what year was Einstein famous?
(a) 1909.
(b) 1988.
(c) 1907.
(d) 1899.

5. What have serious effects on a quantum theory of gravity?
(a) Ground state fluctuations.
(b) Third state fluctuations.
(c) Fourth state fluctuations.
(d) Second state fluctuations.

Short Answer Questions

1. What does general relativity combine time with space to form?

2. How can half-determinism be preserved in relation to black holes?

3. When did Einstein receive the Nobel prize?

4. What kind of energy density might an advanced civilization be able to create?

5. What kind of explanation does Hawking give for how it might be possible to travel through time?

(see the answer key)

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