Board Thread:Suggestions/@comment-26924738-20160713185012/@comment-25064756-20160714200018

H.F.B.T.M wrote: studied this before but didn't pay much attention

its something to do with gamma rays or omega or alpha or whatever, they can go through certain materials based in their width

i.e. common thin walls don't stop radiation

correct me if im wrong You require a few feet of concrete or lead to prevent radiation.