For the price of $3,375, this rifle is claimed to be capable of shooting a wide variety of metal projectiles using powerful magnets.

The first time the U.S. Navy used an all-electric, high-energy laser weapon to defeat a target representing a subsonic cruise missile.

'Smart' pistols – designed to restrict who can fire them – are poised to hit the US market this year, taking aim at spiking gun deaths.

The programme makes use of machine learning to scrutinise a vast cache of data and notice tiny movements or changes that a human might miss.