beta test set begin transportation hubs los angeles denver washington total recall-style high-speed body scanners image mashable mark harris guardian startup bankroll bill gate conduct first public trials high-speed body scanners power artificial intelligence ai guardian reveal.according document file us federal communications commission fcc boston-based evolv technology plan test system union station washington dc los angeles union station metro denver international airport.bill gate turn society technocracy.evolv use millimetre-wave radio frequencies controversial painfully slow body scanners find many airport security checkpoints however new device complete scan fraction second use computer vision machine learn spot gun bombs.this mean individuals simply walk scan gate without stop even slow like hi-tech scanners see 1990 sci-fi film total recall nearby security guard tablet show either all-clear sign photo person suspicious areas highlight evolv say system scan 800 people hour without anyone remove key coin cellphones importance fast overstate say aaron elkins ai professor san diego state university develop ai security technology place currently see metal detector would probably consider upgrade millimetre-wave scanners useful identify metallic non-metallic items 3d print gun explosives also attract criticism scanners able capture realistic image people body beneath clothe never build image would enable anyone see anatomical detail naked peepshow first place say michael ellenbogen evolv ceo none raw data store none data keep traceable individual evolv claim human see scanner look system use solid state micro-antennas steer radar beam anyone walk gate pick reflections data feed ai system train spot distinctive scatter pattern kinds object include firearms suicide bomber vest even knives scanner also camera take photo person pass enable facial recognition.because promise fast cheap exist millimetre-wave scanners new device could bring airport-level screen venues previously difficult secure continue story guardianread a.i news 21st century wire a.i file new bill gate ai-powered evolv body scanners inspect americans public space