Going Nuclear
The Naked Scientists Podcast
00:00
The Bottom of a Fish Tank
Dry ice is making that metal sheet at the bottom incredibly cold, at minus 80 degrees centigrade. So what we should see inside there is a cloud of ice o propile alcohol droplets. But we're in the dark, so i can't see anything. If i turn on a torch and illuminate those. You can see a cloud forming near the bottom of the fish tank. And it's falling down all the time. Sometimes you see these lines of droplets which fall down o these are actually created by radiation. A charged particle, something like an electron or alpha particle, is created through a radioacted decay. It then flies through the air, and it bounces off atoms
Play episode from 41:40
Transcript
