The world's longest-lived light bulb: surprisingly, the whole 120 years of light
The electric light bulb, also known as an incandescent lamp, is a lamp that is used to emit light through the use of electricity, using resistance to heat a young thin wire to incandescence. The emergence of the electric light bulb is one of the world's great creations, which brings endless light to people, but also to promote the world's progress. We usually use the electric light bulb, its life expectancy is about 1000 hours. The world's longest-lived light bulb, it is surprising that the whole 120 years of light, let us take a look at it.
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