invented or revolutionized during the Great War understand and diagnose invented or revolutionized during the Great War of 15 ways a list 15 ways First world war: 15 legacies still with us today understand and diagnose First world war: 15 legacies still with us today invented or revolutionized during the Great War understand and diagnose http://www.theguardian.com/world/2014/jan/15/firstworldwar The Guardian of 15 ways