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by cfield 876 days ago
How about glitter nail polish?

https://news.ycombinator.com/item?id=6986327
2 comments
jacquesm 876 days ago
That's so funny, I once long ago worked on a project that suspended retro reflective beads in a solution to get unique patterns, this is a very simple variation on that theme and probably a more effective one.
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p1mrx 876 days ago
Yeah, that may be a better idea. I see that some brands of nail polish use coarser flecks that would be easier to compare visually.
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