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A comment on Spray-on liquid glass is about to revolutionize almost everything. Parent comment

Re:Spray-on liquid glass is about to revolutionize almost ev... by patrickk on Friday January 14, 2011 @06:49AM (#2103221)
"Or radium (maybe a different radioactive) they use to paint on clock/watches to make them glow in the dark."

You're thinking of tritium:

http://en.wikipedia.org/wiki/Tritium_illumination

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Re:Spray-on liquid glass is about to revolutionize almost ev... by rgsteele on Friday January 14, 2011 @02:05PM (#2104947)
Yeah, or radium:

http://en.wikipedia.org/wiki/Radium_dials

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