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White phosphorus is used in smoke, illumination, and incendiary munitions, and is commonly the burning element of tracer ammunition. [1] Other common names for white phosphorus munitions include WP and the slang terms Willie Pete and Willie Peter, which are derived from William Peter, the World War II phonetic alphabet rendering of the letters ...
The M34 WP Grenade replaced the World War II M15 WP grenade. The M34 could be fired from a rifle grenade launcher using M2-series grenade launching adapters due to the groove around the tapered base, which allowed the adapter arms to grasp it. In contrast, the M15 could not be fired as a rifle grenade.
The temperature of the freezer contents rises during the defrosting cycles, especially if there is a light load in the freezer. This can cause "freezer burn" on articles placed in the freezer, from partially defrosting, then re-freezing; On hot, humid days condensation will sometimes form around the refrigerator doors.
If the kindling point of the propellant is eventually reached it will burn even though the primer has not been struck, thus firing the chambered round. Nitrocellulose , the primary component of modern smokeless powder , has a relatively low autoignition temperature of around 160–170 °C (320–338 °F). [ 3 ]
Another type of smoke grenade is the bursting variation. These are filled with white phosphorus (WP), a pyrophoric agent that is spread quickly into a cloud by an internal bursting charge. White phosphorus burns with a brilliant yellow flame while producing copious amounts of white smoke (phosphorus pentoxide). This type of smoke grenade is ...
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Leidenfrost droplet Demonstration of the Leidenfrost effect Leidenfrost effect of a single drop of water. The Leidenfrost effect is a physical phenomenon in which a liquid, close to a solid surface of another body that is significantly hotter than the liquid's boiling point, produces an insulating vapor layer that keeps the liquid from boiling rapidly.