A team of European scientists have created a real-time, hand-held chemical sensor that will increase airport safety, reduce car emissions, and combat unnecessary food wastage.The device can scan from a distance of up to 30 metres and is capable of instantaneous,real-time, unambiguous detection. Harnessing new photonics technology, the device uses spectroscopic sensors, that read the unique frequencies, or ‘signatures’ given off when liquids or gasses interact with light.
Capable of delivering a realistic detection rate of one every few seconds,the new device is six time more faster than state of the art trace portal scanners .
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