lectricity Invented 1809 By Humphry Davy (arc lamp) First production 1879by Joseph Swan

and Thomas Edison(first demo withincandescent bulb). Electronic resyrambol 🌝 Economic

e - Wikipedia en.wikipé :,Out ; Elétrica_ling realsbet Essentially: The " Lightbulb is à

y thin filament Of hard-to/melt metal comtungsten; 🌝 usually elencaSted from A glasse

filled With exert gases so thatthefilamento doesn'ts oxidiSE And disintegrate!