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In a normal soap bubble, surfactants reduce the surface tension of the water and allow the bubble to form. To create a colored bubble, dye molecules must bond to the surfactants. Each dye molecule in Zubbles is a structure known as a lactone ring. When the ring is closed, the molecule absorbs all visible light except for the color of the bubble.
Bailey machine gun: Winchester Repeating Arms Company.32 rifle cartridge United States: 1874 Caldwell machine gun.303 British Australia: 1915 Colt Mk 11 cannon Colt's Manufacturing Company: 20x110mm USN United States: EX-17 Heligun: Hughes Aircraft Company 7.62x51mm NATO United States: 1962 Feldl gun 11x50mmR Bavaria: 1867 Fokker-Leimberger
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). [2] It features a Gatling-style rotating barrel assembly with an external power source, normally an electric motor.
The Gardner gun was an early type of mechanical machine gun. It had one, two or five barrels , was fed from a vertical magazine or hopper and was operated by a crank. When the crank was turned, a feed arm positioned a cartridge in the breech, the bolt closed and the weapon fired.
A soap bubble Girl blowing bubbles Many bubbles make foam. A soap bubble (commonly referred to as simply a bubble) is an extremely thin film of soap or detergent and water enclosing air that forms a hollow sphere with an iridescent surface. Soap bubbles usually last for only a few seconds before bursting, either on their own or on contact with ...
The 40 mm Under Barrel Grenade Launcher, [a] is a single shot grenade launcher developed by ARDE and Ordnance Factory Tiruchirappalli [1] for use with the INSAS and AK-47 rifles used by the Indian Army. Standalone versions of the grenade launcher exist. [3] As of September 2019, around 10,000 UBGLs were manufactured. [2]
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber (20 mm/0.79 in or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles fired by a machine gun.
The Type 100 and Type 1 weapons offer the advantage of two guns being mounted in the space occupied by one gun of the same size, thus saving weight in the gun and mount, and space in the plane. A small ammunition supply making frequent magazine loading necessary was a disadvantage, partially because of the advantages of the double barrel principle.