Compilation of Impressive Cosmic Ray Interactions in a Cloud Chamber (Altitude : 2877 m) [1080p]

The video show a compilation of protons interactions, electromagnetic shower and cosmic ray spallation in a Phywe PJ45 cloud chamber at 2877 m. The sequences come from 8 hours of recording with a HD camera. Dimension of the surface of the machine is 45x45 cm. There is no magnetic field in the chamber; The cloud chamber was temporarily put in the Pic du Midi (French Observatory in the Pyrenees) in 2012 for the 100th anniversary of the discovery of cosmic ray. As this altitude, there is about 10 times more n