radioactivity
"I got a lot of skin contamination on the sub. Most of the time, I could clean it up with soap and water in five to 10 minutes. We assumed two to three washes would take care of it," he says. "Radioactivity is like changing a diaper. You don't want it on you, but if you do get it on you, just wash it off and go on with your day."
Radioactivity is like the atomic nucleus speaking.
"The radioactivity is like being exposed to millions of sub-atomic bullets that kill the cells they impact."

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