英国国防部研究局的工作人员生产出一种“负发光”的物质，用这种物质研制的遮挡装置，将使敌方看不见己方的坦克、大炮和装甲车。在一般情况下，所有的物质都会发出带有少量热的红外辐射，使物体能被红外摄影机和热成像装置“看见”。即使在黑夜也是如此。但是带有“负发光” Staff at the Defense Research Agency of the United Kingdom produced a “glowy” substance, and the shelter that was developed with such a substance would prevent the enemy from seeing one’s own tanks, cannons and armored vehicles. Under normal circumstances, all substances emit infrared radiation with a small amount of heat, making the object “visible” to infrared cameras and thermal imaging devices. Even in the dark night is also true. But with “negative glow”