This site is dedicated to « The most original and wonderful instrument in scientific history » (E. Rutherford, ~1923). The aim of this site is to show how nuclear particles interacts in matter. A lot of pictures of nuclear events, taken at the beginnings of the nuclear physics and published in ancient books are reproduced here, in memory of all these brilliants mind of their time.
An alpha particle from a radium hands of an old radioactive watch
Video how to start the machine :
If you are interested to acquire a cloud chamber see this page.
