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A side view of the shoe scanner, which is designed to detect explosives without requiring passengers to remove their footwear. According to the San Francisco Chronicle, GE's goal is to fine-tune the security gear at SFO, with an eye to getting it approved by the Transportation Security Administration.
The biometrics system also includes an explosives-detecting finger scanner. The GE gear, which is set up side-by-side with current check-in equipment, isn't yet being used to screen passengers.
GE's prototype airport security system scans a laptop computer bag.