100+ D lights PowerPoint (PPT) Presentations, D lights PPTs

D lights - PowerPoint PPT Presentation

light

light. By Anish P ersaud. Humphry Davy. Humphry Davy created the first electric light in 1800. Humphry took a piece of carbon and a battery and attached them with two wires. The carbon lit up creating light. This is called an electric ark. Humphry Davy made the 1st light bulb in 1809.

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D lights - PowerPoint PPT Presentation

light