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## Cambridge

This is the English university where Hawking teaches.

## Special Relativity

This theory of physics holds that no absolute well-defined state of rest exists.

## General Relativity

This theory brings together special relativity and Newton's laws of gravity.

## Quantum Mechanics

These principles describe reality at the smallest levels of nature.

## Quantum Gravity

This part of theoretical physics tries to combine quantum mechanics and general relativity into one theory.

## P-Brane

This mathematical idea extends into space and represents a precise number of dimensions.

## The No-Boundary Condition

This idea suggests the universe did not need to be created.

## The Universe

The region of space-time and the matter and energy it contains.

## Time Travel

This seemingly improbable concept is argued possible by Hawking, given the laws of physics.

## Star Trek

The famous science fiction television show depicts the future.

## Holograms

These representations of information in smaller numbers of dimensions represent larger numbers...

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