At an event in London, the CEA invited companies to show off some of the wackier accessories and gadgets that will be on show at the 2014 CES show in Las Vegas.
SST's ShotSpotter pinpoints outdoor, urban gunshots for law enforcement agencies. Now it's moving indoors with a service for schools.
In many American cities this Fourth of July, ShotSpotter hears and pinpoints each and every bang -- gunshots as well as illegal fireworks.
A shoulder-mounted unit with four acoustic sensors and a chest display that attaches to body armor can show the direction and distance of sniper fire in a fraction of a second.
These seats vibrate in sync with explosions on the big screen. Feel the explosions in your, er, butt, and gunshots up your spine.
The winds of a thousand worlds blew unfelt past vast piles of discarded weapons. But in one place, noise burst into life: "LCPD!Getoutofthevehicle!Ratatatata"
Eight zones simulate the sensations of gunshots and explosions.
As part of a new safety program, surveillance cameras in Chicago capture street activity and alert police to gunshots.