Engineers use Wi-Fi signals to detect bombs, dangerous items

Researchers found another use for Wi-Fi apart from watching catch videos online. They developed a Wi-Fi-based system that could help authorities look for bombs and weapons. Engineers from Rutgers University--New Brunswick, Indiana University-Purdue University Indianapolis (IUPUI) and Binghamton University said in a recently published a study that every day they used off-the-shelf Wi-Fi to identify bombs, explosive chemicals and guns in a large area. They rationalized that their system could be made into a cost-effective alternative or supplement to entryway screening using x-ray and other specialized but expensive equipment. The research team also saw their system as a less inv...

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