A real-time, hand-held chemical scanner with stand-off detection capabilities has been unveiled by a team of researchers and engineers from nine European countries. Security screening area. Image credit: Dan Paluska / CC0 1.0. The device can scan from a distance of up to 100 feet (30 m) and is capable of instantaneous, real-time, unambiguous detection. Harnessing new photonics technology, the device uses spectroscopic sensors that read the unique...
