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This seems to be a science fiction but actually, it is a fully functional electromagnetic pistol that fires a steel projectile. The gun combines various components to make you aim like professionals. It has a PIC microcontroller that controls the functions. Two coils are precisely pulsed in sequence (350 Amp peak) to fire a steel projectile. Two infrared sensors detect the projectile
position within the firing tube. The gun is powered by 8 AA NiCd battery pack that can be charged from an in-built charger. A bar display tracks capacitor bank charge progress and a LED indicator can always remind you of any fault with the battery.
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The cool factor of this gun is that you can aim a target perfectly with its laser sight and shoot without causing any sound.
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Via: engadget