The Universe in a Nutshell Test | Mid-Book Test - Hard

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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

1. What may imaginary time surfaces actually be?

2. Who produced the theory about curved spaces?

3. What did Einstein suggest concerning the speed of light?

4. What human conceptions did Einstein's papers change?

5. Where did Einstein move in 1914?

Short Essay Questions

1. Briefly describe Einstein's involvement in the events of WWII.

2. What is a p = 1 brane and a p = 2 brane?

3. What kind of history might the universe have, according to quantum mechanics?

4. How did the general relativity theory break down?

5. What is considered to be expanding in our universe, and why does Hawking think this is beneficial?

6. What is vacuum energy?

7. What is space-time?

8. What is Hawking's view about mathematical models?

9. What new sort of symmetry was discovered in the 1970s?

10. What is hard to reconcile with Dirac's discoveries in quantum mechanics?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Describe the history of the theory of curved spaces. What is this theory's relationship to the idea of space-time? Cite two examples from Chapter One that identify key participants, events, or ideas related to this topic.

Essay Topic 2

What are zero point fluctuations and what serious effects do they have on the quantum theory of gravity? Be sure to discuss Feynman, Schwinger and Tomonaga's work with zero point fluctuations.

Essay Topic 3

Hawking's extensive research of black holes has provided us with informative clues for how black holes might actually work. Write an essay that uses Hawking's research to formulate a summary of our knowledge of black holes before and after Hawking's scientific work.

(see the answer keys)

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