What is that device called that is using by the airport securities to detect metal or weapon? magnatic sth?
Answer:
it's called a metal detector.
Its a metal detector, it beeps when it comes in contact with metal
magnetometer...a metal object disrupts or carries a magentic field causing a chnge in the magentic circuit which is sensed
The step through device is a metal detector. Check out: http://travel.howstuffworks.com/airport-...
Also the wand they wave over you dont pass the walkthrough is a metal detector. Check out:
http://www.tbotech.com/metaldetectors.ht...
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