No one knows how widely such lethal radioactive particles might be diffused, but the best authorities are unanimous in saying that a war with hydrogen bombs is quite likely to put an end to the human race.

• 没有人知道这种致命的放射性粒子会扩散到多大范围，但是最有权威的人都一致表示，一场使用氢弹的战争很可能使人类灭绝。