Researchers have developed and tested an infrared spectroscopy system that can rapidly detect chemical aerosols from a distance by using light reflected from common surfaces such as traffic signs, tree trunks or painted surfaces. The new method could make it possible to detect hazards without co...
Source: [Phys.org](https://phys.org/news/2026-07-spectroscopy-aerosols-traffic-tree-trunks.html)