The Economist - Better #camouflage is needed to hide from new #electronicsensors "People and kit are given away as well by signals beyond the #VisualSpectrum, and d#evices that detect these #wavelengths are getting better, lighter and cheaper. #ThermalSensors 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." https://www.economist.com/science-and-technology/2023/03/29/better-camouflage-is-needed-to-hide-from-new-electronic-sensors