CERN — the European Organization for Nuclear Research

cloud chamber

DIY cloud chamber material

Particles coming from the universe are crossing the earth all the time – they are harmless but invisible to us. Cloud Chambers are detectors which make the tracks of the particles visible. Some decades ago these detectors were used at CERN in the first particle physics experiments. The following...

Do-it-yourself cloud chamber

The cloud chamber is one of the oldest detectors for elementary particles. A simple type of a cloud chamber can be built with materials that are easy to purchase. This instruction shows how to build a cloud chamber and gives information on the traces left by particles as well as the particles...

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