The Streamlight TwinTask 3C UV LED arrived (ordered from Amazon for $33) and was promptly put to use seeing where rats and mice had their little rodent runs getting into the attic. (Quick summary from ...

[GiorgiQ] needed a UV light to cure the etch resist on his printed circuit boards, and what better way to accomplish this than to build the perfect UV light box himself? The box consists of a custom ...

We must admit to wondering how Adafruit’s [Becky Stern] gets anything done with those fingernails of hers. They’re always long and beautifully painted without any chips, dings, or dents. As it turns ...

This engineer doesn’t use nail polish, but his wife does. And he deals with plenty of PCBs. What do these things have in ...

For a long time, offset lithographic pressrooms have been reaping the benefits of curing inks and coatings with ultraviolet (UV) radiation instead of drying them with spray powder and/or heat. The end ...