In 2014, scientists at MIT began working to develop an artificial intelligence-powered security system. Atlanta-based company Liberty Defense licensed that technology, called Hexwave, and is now making it commercially available for sports stadiums and other venues.
Hexwave uses AI to search for potentially dangerous metallic and non-metallic objects. The system uses radar to scan an individual, then creates a digital 3D image from which it can determine whether the person is carrying a possible threat such as a weapon or a bottle of alcohol. The entire scanning and decision process takes less than 0.2 seconds, reducing the amount of time that is usually taken for fans to file through security scanners when entering sports stadiums. A passing fan might not even know they are under surveillance by Hexwave.
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