Thank you! That was driving me crazy. And now I see why I got confused: it's another phonograph-related dangerous-element fact that I learned from reading Theod

Thank you! That was driving me crazy. And now I see why I got confused: it's another phonograph-related dangerous-element fact that I learned from reading Theodore Gray's book, The Elements [0] [1]. Now if I could only remember why I thought neutron beams were involved... [0] https://theodoregray.com/PeriodicTable/Elements/084/index.s7.html https://theodoregray.com/PeriodicTable/Elements/084/index.s7... [1] https://www.amazon.com/dp/B011IZNWZU https://www.amazon.com/dp/B011IZNWZU