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The Dutch scientist Constantijn Huygens asked Margaret Cavendish, Duchess of Newcastle to investigate the properties of the drops; her opinion after carrying out experiments was that a small amount of volatile liquid was trapped inside. [11] Although Prince Rupert did not discover the drops, he was responsible for bringing them to Britain in 1660.
Attempting to crimp a brittle frangible bullet into the cartridge case may break the bullet. [1] Brittle frangible bullets may break during the self-loading cycle of semi-automatic firearms; [2] and those fired from revolvers often break as the bullet encounters the barrel forcing cone after leaving the cylinder. [3]
Armour-piercing ammunition (AP) is a type of projectile designed to penetrate armour protection, most often including naval armour, body armour, and vehicle armour. [1]The first, major application of armour-piercing projectiles was to defeat the thick armour carried on many warships and cause damage to their lightly armoured interiors.
Modern 120 mm tank gun shells. KE penetrators for modern tanks are commonly 2–3 cm (0.787–1.18 in) in diameter, and can approach 80 cm (31.5 in) long. As more structurally efficient penetrator-sabot designs are developed their length tends to increase, in order to defeat even greater line-of-sight armour depth.
The value of brisance depends on the application. At one extreme, if an explosive is to be used for propulsion, e.g. by driving a piston or a bullet, brisance is likely to be undesirable, because the objective will be to move the load, not to shatter it or the engine or
The action-movie hero is shot in the stomach; he limps to a safe house; he takes off his shirt, removes the bullet with a tweezer, and now he is better. This is not trauma surgery. Trauma surgery is about fixing the damage the bullet causes as it rips through muscle and vessel and organ and bone. The bullet can stay in the body just fine.
The .30 caliber (7.62 mm) armor-piercing bullet on the right has a copper jacket enclosing a hardened penetrator, but externally resembles the other four lead-core bullets. Armor-piercing bullets for rifle and handgun cartridges are designed to penetrate ballistic armor and protective shields intended to stop or deflect conventional bullets.
A 4-year-old accidentally knocked over and shattered a 3,500-year-old Bronze Age jar during a visit to the Hecht Museum at the University of Haifa in Israel on Friday.. The museum said the ...