Posted by Cian O'Luanaigh on 26 Feb 2013. Last updated 26 Feb 2013, 16.47.
The 9th International Masterclasses in particle physics kicked off today.
Every year, more than 10,000 high school students in 37 countries spend a day analyzing real data from the Large Hadron Collider (LHC) at one of about 160 universities or research centres around the world.