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The velocity of detonation is an important indicator for overall energy and power of detonation, and in particular for the brisance or shattering effect of an explosive which is due to the detonation pressure. The pressure can be calculated using Chapman-Jouguet theory from the velocity and density.
Titanite crystal model. Titanite, or sphene (from Ancient Greek σφηνώ (sphēnṓ) 'wedge'), [5] is a calcium titanium nesosilicate mineral, Ca Ti Si O 5.Trace impurities of iron and aluminium are typically present.
The mineral is also referred to as lavulite, luvulite, and royal azel by gem and mineral collectors. [3] In Japan, sugilite is found as yellowish-white to colourless, and is not good for jewellery. [6] Sugilite on Matrix, Wessels Mine in Northern Cape Province, South Africa, size: 2.4 × 2.1 × 1.2 cm Sugilite owl and mouse, height 9 cm (3.5 in)
An air burst or airburst is the detonation of an explosive device such as an anti-personnel artillery shell or a nuclear weapon in the air instead of on contact with the ground or target. The principal military advantage of an air burst over a ground burst is that the energy from the explosion, including any shell fragments , is distributed ...
a small amount of a more powerful secondary explosive, directly in contact with the primary, and called "base" or "output" explosive, able to carry out the detonation through the casing of the detonator to the main explosive device to activate it. Explosives commonly used as primary in detonators include lead azide, lead styphnate, tetryl, and ...
After a careful "soft touch" disassembly fully intact [4] D563 shell casings from M483-series 155-mm projectiles [5] were being refilled with explosives, recycling them for use as inexpensive training ammunition. [6] One such round is the M1122, built from recycled D563s mostly filled with concrete topped with some explosive filling.
Nickelodeon is continuing its tradition of broadcasting an NFL playoff game in 2025. Here's how to watch the broadcast for the Texans-Chargers game.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.