Remote Detection of Hazardous Radiation: http://spectrum.ieee.org/energywise/energy/nuclear/detecting-hazardous-radiation-from-afar-now-possible ....which is increasingly becoming a bigger problem, as shown in these current newsbytes: http://anonhq.com/media-silent-3-nuclear-disasters-unfolding-inside-us/ ...&... http://www.portlandmercury.com/blogtown/2017/05/16/19014783/will-trump-make-hanford-more-dangerous-than-it-already-is