To discover what the universe is made of and how it works is the challenge of particle physics. The landmark Quantum Universe report defines the quest of particle physicists to explain the universe in terms of nine key questions. The six LHC experiments will address eight of the nine questions.

Einstein's Dream of Unified Forces The Particle World The Birth of the Universe

Are there undiscovered principles of nature: New symmetries, new physical laws?

How can we solve the mystery of dark energy?

Are there extra dimensions of space?

Do all the forces become one?

Why are there so many kinds of particles?

What is dark matter? How can we make it in the laboratory?
How did the universe come to be?

What happened to the antimatter?