New Kansai airport device checks plastic bottle contentsOSAKA (Kyodo) July 27---Kansai International Airport introduced microwave devices Monday to conduct security checks on plastic bottles that people carry aboard airplanes.
The small device emits microwaves into a bottle placed on it and analyzes the reflected waves. A red light and alarm go off if flammable substances are inside, while a green light indicates there is no problem...
