y the smart gun. Electronic chips inside the gun and the watch communicate with each other.

 If the watch is within close reach of the gun, a light on the grip turns green. It is time to shoot. No watch means no green light. The gun becomes a dead paperweight, said a Washington Post report.

Armatix uses RFID chips which can be found on anti-theft tags attached to expensive clothing. Not just Armatix, the New Jersey Institute of Technology is using sensors to recognise users' grips and grasping behaviours.

Kodiak Arms, a Utah company, is taking pre-orders for its Intelligun which is unlocked with fingerprints. Other companies are using voice recognition. Yardarm, a California start-up, uses a smartphone app to notify gun owners of a weapon's movement.

Users can even remotely disable their weapons, added the report.

(Agencies)

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