Neon was discovered in the late 1800's. I do not recall the scientist who discovered it (I believe there were two). It is a rare gas found in the atmosphere and is produced as a byproduct when creating liquid air. As a liquid itself, it is better then liquid helium or hydrogen when used as a cryogenic but it is more expensive. it is used mostly in lasers and in making signs since it will glow when electricity is applied to the gas.
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