How Does A Puffer Machine Function?
A puffer machine also known as explosives trace-detection portal machine in technical language is a device used primarily at airports to detect explosives. It works by subjecting a passenger standing upright in the device to cold blasts of air. This would result in, if the passenger is carrying any explosives in the release of minute particles of materials that are utilized in the manufacture of bombs like gun powder and the like. The machine would then detect the presence of the particles following which the passenger would be detained for further screening. The entire process involving the use of the puffer machine takes about 15 seconds. Puffer machines were developed in 1997 by the Sandia National Laboratories in the United States and are being manufactured at present by General Electric and Smiths Detection. At present there are about a 100 machines set up in major airports across the United States.
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