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The light output of an incandescent lamp in a flashlight varies widely depending on the type of lamp. A miniature keychain lamp produces one or two lumens. A two-D-cell flashlight using a common prefocus-style miniature lamp produces on the order of 15 to 20 lumens of light [11] and a beam of about 200 candlepower.
ATS officers-in-training crew a 90 cm searchlight in Western Command, 1944. A searchlight (or spotlight) is an apparatus that combines an extremely bright source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction.
Olympus μ Tough is a family of compact digital cameras from Olympus Corporation. Among the models in the family are the 12 megapixel μ Tough-3000 and μ Tough-8000 cameras. They are specified to be shock- and waterproof .
The lux (symbol: lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). [1] [2] It is equal to one lumen per square metre.In photometry, this is used as a measure of the irradiance, as perceived by the spectrally unequally responding human eye, of light that hits or passes through a surface.
Hyper Light Drifter is a 2D action role-playing game fashioned after The Legend of Zelda: A Link to the Past, rendered in a pixel art style. The player controls the Drifter, a character that has access to technology that has long been forgotten by the inhabitants of the game's world and is suffering from an unspecified illness.
The Shanghai maglev train, at top speed of 431 km/h (268 mph), is the fastest train in China.The maglev train has remained confined its original 30 km (19 mi) track as state planners chosen high-speed trains that run on conventional track for the national HSR network.
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