What people often don't understand about radioactivity, is that if you have short halflife, like weeks, the radiation is dangerous but doesn't last long. And if

What people often don't understand about radioactivity, is that if you have short halflife, like weeks, the radiation is dangerous but doesn't last long. And if you have huge half life, like a million years, then radiation is basically non-existent and not dangerous at all. This lack of understanding is why people spread FUD about radioactive waste that will poison the planet for million years.