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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, Protecting the Past.

Multiple Choice Questions

1. What equation will be able to determine the wave function for information?
(a) Popper.
(b) Rossinger.
(c) Heisenberg.
(d) Schrodinger.

2. How were people's views of space-time changed because of Einstein's work?
(a) Space-time became understood as a dynamic feature.
(b) Space-time became understood as a passive feature.
(c) Space-time became irrelevant.
(d) No one's idea of space-time was changed.

3. What did Penrose and Hawking demonstrate concerning General Relativity?
(a) The universe started with a tiny whirpool of light.
(b) The universe started with a massive explosion.
(c) The universe will end with a massive explosion.
(d) The universe will collapse in a hundred years.

4. What kind of rotating Einstein universe does Hawking consider?
(a) A precious universe.
(b) A spinning universe.
(c) A realistic universe.
(d) A hypothetical universe.

5. What does Hawking think one can do to positive vacuum energy?
(a) Square it.
(b) Ration it.
(c) Divide it.
(d) Move it.

Short Answer Questions

1. How could time travel be possible?

2. What does Hawking think is beneficial concerning matter?

3. What theories implied that supersymmetric field particles should have superpartners?

4. What was the twentieth century's other complete conceptual revolution?

5. What do string theories most notably lack?

(see the answer key)

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