You can do this yourself by taking a clear plastic jar and covering the bottom and sides of the inside with a thick absorbent paper. Saturate the paper with alcohol and place the container in dry ice. Then place a little chunk of Pb210 on a wire that extends to the center of the jar.
The dry ice will saturate the insides of the jar with alcohol vapor and the alpha and beta particles emitted by the lead will cause it to condense as they pass through it. Hence the little trails of smoke.
I think I feel a science related post coming on soon, therein the beauty lies.