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WASHINGTON () -- The U.S. Department of Energy has developed what it terms "a major technological breakthrough in lighting," a far cheaper way of producing light using a bulb of sulphur bombarded by microwaves, The Washington Post reported Friday.
It said a small Rockville, Maryland-based company, Fusion Lighting Inc., developed the prototype lamp. The lamp consists of a closed quartz sphere filled with an inert gas and a tiny amount of sulphur. One golf-ball-sized sulphur bulb, when irradiated by the kind of compact microwave found in kitchen ovens, puts out as much light as hundreds of high-intensity mercury vapor lamps.
Light Years Ahead
22 October 1994
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