"Safe enough to swallow" seems like a scary oversimplification for alpha-emitting substances ?
Depends on intensity. Microgram quantities of plutonium should be generally safe (unlike, say, microgram quantities of polonium).
Not all alpha emitters are created the same.
Depends on intensity. Microgram quantities of plutonium should be generally safe (unlike, say, microgram quantities of polonium).
Not all alpha emitters are created the same.