WM5.1 Cloud Chamber

This is a homemade cloud chamber. A piece of dry ice sets in a pool of methanol in a styrofoam box. A metal plate lies over the dry ice bath which keeps the plate cold. On top of this box a plexiglass chamber perfectly fits. There are green strips in the chamber that have to be soaked in methanol. A layer of supercooled alcohol is created at teh surface of the plate. A TV camera can be used to that everyone can see. Rub the top of the chamber to create an electric field which clears away condensed droplets--a dry day is preferable. Using a supplied alpha source, the particles leave a cloudy trail, just like a bubble chamber.

Equipment Location: B63, camera