1237a5ccc285
tech



Hello Joe - 

CA>> AFAIK nothing stops Gamma radiation. 

JN> But anything/everything, in proper thickness, will
JN> reduce/lower its level by half. 

I suppose if you define "proper thickness" as a foot or more of
concrete you may be right. 

JN> Ever pay attention to x-ray technicians operating their
JN> equipment from a "block house" while you're being exposed? 

I make them stand next to me. 

JN> I don't have my notes from the 1958 ABC Warfare School (now
JN> NBC) I attended, but I do remember that the strength or
JN> level of radiation can be reduced/lowered. 

JN> Concrete and iron/steel are the more popular materials.
JN> Enough thickness and you reduce it by 1/2, 1/4/ 1/8, 1/16,
JN> etc etc etc. Glass and plain ol' dirt work too. During
JN> JFK's fiasco with Cuba and the missle "crisis" everyone who
JN> could afford one had a bomb shelter built under their home,
JN> under their lawns, wherever there was space to put one.
JN> Today most of those shelter have been converted to wine
JN> cellars. 

Yes, I'm a 'boomer'. ;-) 

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