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April 1, 2024
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Light bulb Timeline
Обновлено 2 окт 2018
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Sara
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Francis Huksbee used static energy to produce glow in vacuumed glass globe
New Humphry Davy invented an electric lamp
Warren de la Rue enclosed a coiled platinum filament in a vacuum tube and passed an electric current through it
Joseph Wilson Swan created a light bulb by enclosing carbonized paper filaments in an evacuated glass bulb
Thomas Edison added a thin filament with high electrical resistance to make light bulbs last 150 hours
Edison used carbonized bamboo filament to make light bulbs last 600 hours
Tungston filament could be mass produced, which made light bulbs last way longer
Nick Holoynak made a red LED with semiconductors
Ed Hammer made CFLs with mercury vapor, argon, and a flurescent coating called phosphor
Phillips and Stack lighting companies are making lights that can be controlled via apps.
Swan patented incandescent light bulb
Thomas Edison tried to patent his light bulb innovation
Swan tried to sue Edison for patent infringement. British government ruled against Edison
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