Search results
Results from the WOW.Com Content Network
Lycopodium powder is a yellow-tan dust-like powder historically used as a flash powder. [1] Today, the principal use of the powder is to create flashes or flames that are large and impressive but relatively easy to manage safely in magic acts and for cinema and theatrical special effects .
A full-power flash from a modern built-in or hot shoe mounted electronic flash has a typical duration of about 1ms, or a little less, so the minimum possible exposure time for even exposure across the sensor with a full-power flash is about 2.4 ms + 1.0 ms = 3.4 ms, corresponding to a shutter speed of about 1 ⁄ 290 s. However some time is ...
Contrary to urban legend, an M-80 that contains 3,000 mg of powder is not equivalent to a quarter-stick of dynamite. Dynamite generally contains a stable nitroglycerin-based high explosive, whereas M-80s or any other kind of firecracker contain a low explosive powder, like flash powder or black powder. [10]
Cơm tấm (Vietnamese: [kəːm tə̌m]) is a Vietnamese dish made from rice with fractured rice grains. Tấm refers to the broken rice grains, while cơm refers to cooked rice. [1] [2] Although there are varied names like cơm tấm Sài Gòn (Saigonese broken rice), particularly for Saigon, [1] the main ingredients remain the same for most ...
Vinacomin (Vietnam National Coal and Mineral Industries Group, Vietnamese: Tập đoàn công nghiệp Than và Khoáng sản Việt Nam (TKV)) is a Vietnamese mining company. The industrial conglomerate focuses on coal and mineral mining and has headquarters in Hạ Long, Quảng Ninh Province.
A stun grenade, also known as a flash grenade, flashbang, thunderflash, or sound bomb, [1] is a non-lethal explosive device used to temporarily disorient an enemy's senses. Upon detonation, a stun grenade produces a blinding flash of light and an extremely loud "bang".
"Flash powder and flash-powder devices pose exceptionally high risks to children, who typically cannot understand the danger and may be less adept with safe handling techniques" " In certain mixtures it is not uncommon for this sensitivity to spontaneously change over time, or due to change in the environment, or to other unknowable factors in ...
Trinitrotoluene spin view. Trinitrotoluene (/ ˌ t r aɪ ˌ n aɪ t r oʊ ˈ t ɒ lj u iː n /), [5] [6] more commonly known as TNT (and more specifically 2,4,6-trinitrotoluene, and by its preferred IUPAC name 2-methyl-1,3,5-trinitrobenzene), [1] is a chemical compound with the formula C 6 H 2 (NO 2) 3 CH 3.