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The first light blub
In 1802 Humphry Davy from England invented a simple electrical light -
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Light blubs galore
1850: Joseph Wilson Swan created a light bulb by enclosing carbonized paper filaments into an empty glass bulb. -
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woodward
1875: Henry Woodward and Matthew Evans patented a light bulb -
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sir Joesph Wilson Swan
1878: Sir Joseph Wilson Swan was the first person to invent a practical and longer-lasting electric lightbulb. (13.5 hours).
Swan used a carbon-fibre filament derived from cotton -
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Thomas Edison
Thomas Edison, an American inventor, made massive contributions to the light bulb’s development. His team focused on improving the filament material. They experimented with various materials, including carbon and platinum. Eventually, they settled on a bamboo filament, which allowed Edison’s lamps to last up to 1,200 hours. Edison also developed the Edison screw, which became the standard socket fitting for light bulbs