The explosion of the challenger space shuttle and the russian nuclear accident at chernobyl drive home the human quality of technology ; they provide cases in which well - planned systems suddenly went haywire and there was no ready hand to set them right 挑战者号航天飞机的爆炸以及俄罗斯切尔偌贝利核电站的事故使人们充分认识到科技中的人文性质;在这两个例子中,计划周密的系统突然发生混乱,却没有专业人员能及时对此加以调整。