Ten Unbelievable Sci-Fi Weapons That Already Exist (With Pictures)

8. Rail Guns

Yet another one among the sci-fi weapons that already exist, is railgun which is a kind of gun that unlike a conventional gun, does not utilize explosive charge to propel a projectile, rather it relies on magnetic force (Lorentz force more specifically), generated by passing current through two rails to accelerate a metallic armature to fire a projectile at speeds as high as 5400miles/h over huge ranges, exceeding a hundred miles. The US Navy has already developed prototypes and plans to install them on warships within a few years. This gun is expected to be effective against a whole variety of threats such as aircraft, small boats, land targets for bombardment and even other warships.

While conventional warheads and cruise missiles used to accomplish the same tasks cost hundreds of thousands of dollars, each railgun projectile costs about $25000 only, making it highly economical. With tests scheduled to hold this very year, and the Navy already planning to install prototypes on its Zumwalt class destroyers, it is only a matter of time before these new weapons start establishing dominance across the oceans for the US Navy.

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