A flashlight that keeps on burning. (Tech Talk).Unlike conventional flashlights, the Lightwave Light in the infrared, visible and ultraviolet ranges, which falls between x-rays and microwaves. Wavelengths are between 10 nanometers and one millimeter. 2100 can last thousands of hours. Lightwave, of Alpharetta, Ga., has designed a flashlight that uses four white-light-emitting diodes, which give it long operational life, said Dale Stonger, the company's general manager. The system has a printed circuit board to control the flow of voltage from the three AA alkaline batteries Alkaline batteries are a type of power cell dependent upon the reaction between zinc and manganese dioxide (Zn/MnO2). Compared with original zinc-carbon batteries, while both produce approximately 1. used in the flashlight, which means the batteries will last 14 times as long as those powering a regular flashlight, explained Stonger. In fact, he said, after leaving a Lightwave 2100 on for 336 hours continuously, company engineers still could use it to read a newspaper in a darkened dark·en v. dark·ened, dark·en·ing, dark·ens v.tr. 1. a. To make dark or darker. b. To give a darker hue to. 2. To fill with sadness; make gloomy. 3. room. The Lightwave 2100 weighs seven ounces, including batteries. Designed for use in all weather conditions, it is water resistant, it has rubber over-molding and is shockproof shock·proof adj. Constructed or designed to withstand blows or jarring. shockproof Adjective capable of absorbing shock without damage shockproof adj . If dropped from four feet on to hard ground, the flashlight still will function normally, Stoner ston·er n. 1. One that stones. 2. Slang a. One who is habitually intoxicated by alcohol or drugs. b. One who is a delinquent or failure. said. |
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