Particle physics is a branch of physics that studies the nature and interactions of subatomic particles.

Slovakia or Slovak Republic (Slovak: Slovensko or Slovenská republika, both names are officially recognized), is a landlocked country in Central Europe. Slovakia is a member of the European Union so if you are a citizen of another member state, you can legally reside and work in Slovakia without restrictions. Comenius Univerzity is the oldest existing Slovak university, in Bratislava.