awesome demonstration of a massive diffusion cloud chamber - with normal background radiation vs. americium 241 vs. the epic RADON 220 gas! just wow! ps:...
Scottish schoolgirl, Holly Batchelor has been named as the world's brightest young physicist at an international science festival. The 18 year old pupil at Mary...
Supersaturated water/methanol mixture provides the clouds. Most of what you're looking at is background particles. We also used a couple needle sources (Pb-210 and Sr-90)....
From New Scientist TV: "It can only be described as the most unusual of musical collaborations: a duet performed by a violinist and radioactive subatomic...
