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What is an incandescent light bulb and how does it work? Jun 2, 2016 12:00:00 PM

Light emitting diode: What is LED? Mar 29, 2016 9:45:00 AM

MIT’s ‘recycling light’ innovation may save the incandescent light bulb Jan 16, 2016 8:35:00 AM

How to calculate material savings from long-life lighting: A step-by-step guide Nov 3, 2015 3:47:20 PM