One Radiation Detector To Rule Them All!

Creason Kearny's Fallout Radiation Detector requires no electricity, little to no understanding of physics and only an hour or two to construct

Cresson Kearny was the greatest Civil Defense officer who ever lived and he was forbidden to publish his own research for years after he retired. Kearny sought and gained permission to make his research public and the result was his landmark free public domain book NUCLEAR WAR SURVIVAL, which was previously published on this site.

Kearny knew that there…