system
Given the following post, respond as if you're commenting on Reddit:
human
Why isn't the steam released from nuclear reactors radioactive?

So unless my understanding on how the reactors work is wrong, don't they use the radioactive material to create steam to turn the turbines? Wouldn't this cause some radioactive material to be released with the steam?
gpt
Massive oversimplification, but:

A.The fuel is clad in tubes, so there isn't any direct contact between the fuel and the cooling water. 

B. the cooling water isn't directly turned into steam. It is kept under pressure to prevent it from boiling.

C. The superheated cooling water is pumped through a heat exchanger. The water in the heat exchanger then boils, and that is where the steam in generated.