What do you like doing in your spare time? http://www.poly.ee/polygon/ bimatoprost next day no prescription Original Gatling guns were invented just prior to the Civil War and were some of the first rapid fire guns. Hand cranks were used to rotate six barrels and fired ammunition when each barrel reached the top slot. However, with Priebe’s creation, the Gatling-like rotation is purely ornamental. Despite how cool it looks, the gun’s rotation actually decreases the beams’ intensity, since lasers work by focusing on a single point with a heated stream of photons.