Los Angeles will soon begin to install clever body scanners that screen passengers for weapons and explosives.
(Los Angeles subway scanner)
The portable scanners project waves to do full-body screenings of passengers walking through a station without slowing them down.
They scan for metallic and non-metallic objects on a person's body, can detect suspicious items from 30 feet (nine metres) away and have the capability of scanning more than 2,000 passengers per hour.
Officials from the Los Angeles County Metropolitan Transportation Authority would not say how many of the machines were being purchased, but said they would be rolled out in subway stations in the "coming months".
SF fans recall the security tunnels from the 1990 movie Total Recall, which was loosely based on Philip K. Dick/s 1966 short story We Can Remember It For You Wholesale.
Perching Ambush Drones
'On the chest of drawers something was perched.' - Philip K. Dick, 1956.
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Tactile Skin Supplier Map
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'
Orb Nomad Zero-Emission Electric Aircraft
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.'
DIY Robot Scorpion Crushes It
'...it raised its front end off the ground and waved its antennae at them, then raised one armoured claw as if to snip them out of the sky.'