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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.
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.
Type 89 machine gun: 7.7×58mm Arisaka Japan: 1929 Type 100 machine gun: 7.92×57mm Japan: 1940 XM214 Microgun: General Electric General Dynamics: 5.56×45mm NATO United States: 1966 Yak-B 12.7mm machine gun: KBP Instrument Design Bureau: 12.7×108mm Soviet Union: 1973
The Bangerter machine gun uses a blow-forward operation and is the most complex example. The Slostin machine gun uses a similar operation but with gas pistons on each barrels. The GShG-7.62 machine gun and GSh-6-23, both use a more effective, simpler gas piston drive in the center of the barrel cluster.
Louis Pearl (born June 30, 1958), known as "The Amazing Bubble Man" or "Pope of Soap", [1] is an American entertainer, bubble artist, entrepreneur, and author who performs shows with soap bubbles to global audiences. Louis Pearl founded the company Tangent Toys in 1980, [2] which was later acquired by a wholesale toy distributor in 2002.
In a stationary, heavy machine gun role the MG5 can also be mounted on the MG3 Feldlafette buffered field tripod by using additional adapters. The Bundeswehr use a RAL 8000 green brown surface finish on their MG5s and has chosen to use a 550 mm (21.7 in) barrel instead of a 663 mm (26.1 in) barrel for their mounted guns to promote parts uniformity.
Lead bullet being supported by a wooden cup sabot in a Delvigne gun. A cup sabot supports the base and rear end of a projectile, and the cup material alone can provide both structural support and barrel obturation. When the sabot and projectile exit the muzzle of the gun, air pressure alone on the sabot forces the sabot to release the projectile.
The machine gun feeds from a proprietary 100-round synthetic drum magazine (early models also used 60-round drum magazines), or from a modified 20 or 30-round STANAG 4179 magazine (from the M16 rifle). [1] An unusual feature among modern machine guns is the fact the Ultimax was purposely designed to feed from magazines as opposed to belts.