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10,000 BCE
Oil lamp
An oil lamp is an object used to produce light continuously for a period of time using an oil-based fuel source. -
500 BCE
Candle
A candle is an ignitable wick embedded in wax, or another flammable solid substance, that provides light. -
Gas lamp
Gas lighting is production of light from combustion of a gaseous fuel. The first gas lamp was invented by William Murdoch and used coal gas. -
Edison's light bulb
Edison's first light bulb worked by passing electricity through a thin platinum filament in the glass vacuum bulb. -
Fluorescent lamp
A low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light, invented by a team led by George E. Inman. -
compact fluorescent lamp (CFL)
A fluorescent lamp designed to replace an incandescent light bulb (Edison's light bulb).
Invented by Edward E. Hammer. -
LED lamps
An electric light that produces light using one or more light-emitting diodes. Nick Holonyak, Jr. invented the first LED.