Halogene bulb testing

Halogene bulb testing

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This image is part of the feature Light Bulb Research

Credit: VOLKER STEGER/SIEMENS/SCIENCE PHOTO LIBRARY

Caption: Bulb testing. Halogene light bulbs for vehicle headlights undergoing endurance testing. They are being spun on a carousel to simulate the forces they will experience during driving. The bulbs receive a similar amount of wear from spinning them for a few hours at very high speeds as in a year of driving. The light bulbs contain inert halogen gases which slow the loss of their metal filament and extend the bulb's life. They are also coated with a thin layer of alloy which improves efficiency and lowers the emission of harmful ult- raviolet radiation. Photographed at Siemens' Osram Sylvania Laboratory, Beverly, Massachusetts, USA.

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Keywords: alloy, american, beverly, car, carousel, circle, circular, electrical engineering, endurance testing, engineering test, failure analysis, halogene light bulbs, headlights, massachusetts, osram sylvania laboratory, physics, research, rounded, siemens, simulate, simulation, spinning, technological, technology, testing, united states, usa, vehicle

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