Thomas Edison's pioneering incandescent light bulb, which cast illumination by heating a filament until it glowed, is fading into history.
source https://www.seattletimes.com/business/prepare-to-flick-off-your-incandescent-bulbs-for-good-under-new-us-rules-that-kicked-in-this-week/?utm_source=RSS&utm_medium=Referral&utm_campaign=RSS_technology
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