Yes, indeed, this example demonstrates the ignorance of the author, which has now been discussed in embarassing detail at Slashdot. The amount of radiation in this kit is less than the radiation from the natural potassium in your body, so if you're worried about this kit you better stay away from banannas. [Ribald comment omitted.] The only thing worse than the author's ignorance is the author's ignorance compounded by her smug self-assurance in writing about it.