It is somewhat logical. Radiation isn't free and if something radiates a lot, it loses quite a lot of energy while radiating. Typically: intense radiation is c

It is somewhat logical. Radiation isn't free and if something radiates a lot, it loses quite a lot of energy while radiating. Typically: intense radiation is caused by massive presence of isotopes with short half-life, which means that they go away quite quickly. Even the notorious Elephant's Foot in Chernobyl, made of molten core content, is now much safer than it used to be, to the degree that people are now willing to enter the room and make photos of it [0] https://en.wikipedia.org/wiki/Elephant%27s_Foot_(Chernobyl) https://en.wikipedia.org/wiki/Elephant%27s_Foot_(Chernobyl)