Details on how it is possible to visualise the invisible particles of cosmic rays are given with the aim to get students acquainted with radiation. This is just one of the uses of the Medipix/Timepix family of detectors developed for fundamental research experiments at CERN. Details on many other applications spanning from medicine to art authentication are also provided.
Author: Pinelopi Christodoulou, with contributions from Yiota Foka
