The incandescent light bulb was birthed more than 200 years ago, when the first experiment saw chemist and inventor Humphry Davy pass electrical current through a thin strip of platinum. Seventy-five years later, Thomas Edison
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The incandescent light bulb was birthed more than 200 years ago, when the first experiment saw chemist and inventor Humphry Davy pass electrical current through a thin strip of platinum. Seventy-five years later, Thomas Edison