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Why is neon gas used in advertising signs?

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Neon gas glows an orange-red color when pumped in glass tubing and stimulated by high voltage electricity (so does helium, but it takes a lot more juice to sustain the effect). We use neon in red, orange, and hot pink for signs. read more

We use neon in red, orange, and hot pink for signs. When you see white, yellow, green or blue tubing, we use argon gas mixed with vaporized mercury. Now if your question relates to the actual “why” it’s used, I believe it’s because of the distinctive outlined lighting effect you can get is unique and quite prominent in the dark of night. read more

Neon is used in advertising signs as it glows a reddish-orange color in a vacuum tube, this would attract the attention of people, other colors can be produced by other noble gases or many colors of florescent lighting. read more

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Facts About Neon
Source: livescience.com

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