Professor Peter Watkins of University of Birmingham, UK, gives a brief explanation of the Large Hadron Collider and the ATLAS experiment. In this short overview, he describes the following: 1. What scientists are researching at the LHC; 2. The LHC and how it works; 3. The main aims of the ATLAS experiment; 4. Why this experiment is exciting for science, for human kind; 5. The size of the ATLAS Detector; 6. The Grid- selecting events, analysis of data; 7. Connection between active research and undergraduate lectures; 8. What happens next - LHC results and future colliders.