Britain develops defenses against German zeppelins that drop bombs on London during World War I. The massive airships relied on highly flammable hydrogen gas housed in gas bags constructed from animal intestine membranes, over the course of the raids, more than 500 people were killed and over 1,000 injured in Britain. Rather than causing panic, the attacks largely hardened public defiance and boosted national resolve...<br /><br />一战期间德国齐柏林飞艇（Zeppelin）对英法等国实施战略空袭的统称，因当时飞艇夜间轰炸造成巨大心理恐慌，被媒体称为“恐怖武器”. 到1916年，英军通过部署探照灯、高射炮以及性能更佳的战斗机，调整了防御手段。随着战机开始使用一种由爆炸弹和燃烧弹组成的致命弹药组合——既能撕裂外层蒙皮又能引燃氢气——这一威胁终被化解。
