Sometimes they DID fail to keep it a secret for that very reason! http://www.citylab.com/politics/2014/08/atomic-tests-were-a-tourist-draw-in-1950s-las-vegas/3

Sometimes they DID fail to keep it a secret for that very reason! http://www.citylab.com/politics/2014/08/atomic-tests-were-a-tourist-draw-in-1950s-las-vegas/375802/ http://www.citylab.com/politics/2014/08/atomic-tests-were-a-...