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Essay Galaxy - Lighting Advancments Have you wondered why streetlights are yellow, or why the year 2000 cars have brighter headlights and they are a different color? Have you ever wondered how the indiglo light on your watch works, or why it glows green and not white? And did you know that same indiglo light can be used while frozen, dipped in water, bent in half, stepped on, or in hazardous environments. Lighting has changed over the last few years; there are advantages and disadvantages of different kinds of lighting. Lighting has been around since time itself existed; the first kind of lighting was fire. Fire was used to warm the inhabitants, and to provide light; many primitive cultures would use burning torches to provide light for their excursions and pathways. Fire was the only true form of light they had other than the moon. Fire had many disadvantages, one was that fire depended on fuel and needed proper conditions t....

Number Of Pages: 8 Number Of Words: 2047

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