Better camouflage is needed to hide from new electronic sensors
On today’s battlefields, however, it is no longer enough to merely hide from human eyes. People and kit are given away as well by signals beyond the visual spectrum, and devices that detect these wavelengths are getting better, lighter and cheaper. Thermal sensors are a case in point. Today, one that costs about $1,000 and weighs as little as five sachets of sugar can, in good weather, detect a warm vehicle as far off as 10km. As Hans Kariis, deputy head of signatures research at the…