Tungsten-halogen Light Bulbs In Cars
Did you know that to produce the headlight's forward illumination, most cars these days employ halogen or tungsten-halogen light bulbs. The light bulb's tungsten filaments are enclosed in a disc of halogen gas like iodine and bromine to make it glow brighter and last longer. Another source of light are xenon headlights
posted by Chris @ 7:00 AM
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