Engineers have developed a prototype drone-mounted wireless scanning system, which can fly up the outside of a high rise building and detect the whereabouts of individuals who may be trapped inside.

The system—known as WideSee—has been developed in a joint collaboration between engineers at the University of Leeds, University of Massachusetts and Northwestern University in Xi’an in China.

The technology has been designed for use by emergency workers involved in search and rescue operations during a fire or if a building collapses…

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