> No, background radiation makes nuclear radiation a noisy and ambiguous signal. You make a decent measurement -- my former speciality. That's not waving a Ge

> No, background radiation makes nuclear radiation a noisy and ambiguous signal. You make a decent measurement -- my former speciality. That's not waving a Geiger counter surrounded by concrete or granite. (It just wouldn't have been worth the effort at the time of the original cold fusion nonsense.) Sure, about atomic reaction products if you can analyse their appearance as well as neutrons and gamma rays.