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.
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.
SST's ShotSpotter pinpoints outdoor, urban gunshots for law enforcement agencies. Now it's moving indoors with a service for schools.
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"
In many American cities this Fourth of July, ShotSpotter hears and pinpoints each and every bang -- gunshots as well as illegal fireworks.
These seats vibrate in sync with explosions on the big screen. Feel the explosions in your, er, butt, and gunshots up your spine.
Eight zones simulate the sensations of gunshots and explosions.
Launched just last week, the system was designed to let agencies alert the public about natural disasters or other events. The Senate Sergeant at Arms used the system during Thursday's shooting.
"Every interior designer will have a 3D printer," predicts the CEA, as it dedicates a space to the technology at the upcoming Las Vegas show.
In a world where people text more often than call, typing your emergency to 911 is the logical next step. But there are kinks to work out before you'll be able to use it nationwide.