This simple question leads us through molecules, atoms, and the nucleus to the most elementary building blocks of matter - the quarks and leptons. Elementary particle physics is the study of these particles and how they interact. Curiously, the study of these tiniest of particles requires the largest of machines - accelerators up to 27 miles in circumference. We'll explore the standard model of particle physics, and look at one of the experiments, which will be done at the new accelerator to be built at the CERN high-energy physics laboratory in Geneva, Switzerland.
All interested persons are welcome.