The Universe in a Nutshell Themes

This Study Guide consists of approximately 25 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of The Universe in a Nutshell.
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The Theory of Quantum Gravity

The Universe in a Nutshell is a work of largely speculative science. Stephen Hawking first explains how the - in some sense - last major problem for physics was set up and how some propose to solve it. The problem is developing a theory of quantum gravity. The theory of quantum gravity would be a theory of everything. It would describe all physical phenomena at every level of nature. It would thus be a final theory, a theory that described the ultimate nature of the universe.

The problem is that the theory of quantum gravity must be generated out of two radically different but incredibly successful theories: the theory of general relativity and the theory of quantum mechanics. General relativity is Einstein's famous theory that gravity can be represented as the curvature of spacetime. Rather than being a passive part of the universe, space...

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This section contains 804 words
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