My home is not my castle anymore: Technologies that see through the walls

July 7, 2015

In the beginning of 2015, USA Today launched a wave of publications on a handheld radar called RANGE-R that has been used by the U.S. police and other government services. The radar system is able to ‘see through the walls’. To be more accurate, it registers motion inside closed spaces. The radar system’s high sensitivity is able to detect a hiding man’s breathing somewhere deep inside a building, behind several walls.

The existence of such a device was surprising for many journalists tasked with publishing the features of RANGE-R. However, these radars have long been in mass production for military and intelligence-service needs. RANGE-R systems have been used in FBI hostage-rescue missions, by firefighters during collapsed building search-and-rescue operations, in the U.S. Marshals Service operations when catching fugitives, and so on.

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