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  • WHY DO LED LIGHTS LAST SO LONG?
    June 27, 2020

    WHY DO LED LIGHTS LAST SO LONG?

            WHY DO LED LIGHTS LAST SO LONG?   Take an ordinary metal house key, bend it in half, and then straighten it out. Then bend it in half again and keep bending it back and forth, back and...

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  • History of LEDs
    June 27, 2020

    History of LEDs

    Henry J. Round (b. 1881 in England) was an early pioneer of radio and received 117 patents. He was a personal assistant to Marconi, the famous radio pioneer. In experiments with cat’s whisker detectors using a variety of substances, Round...

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