There may be nothing new under the sun when it comes to etching PCBs with UV light, but [Heliosoph] has brought finer control to a used face tanner he bought that now exposes his boards in ~50 ...

but a patchy tan on your face is much more difficult to disguise. But facial tanners (and self-tanners in general) have come a long way from the stinky, orange concoctions of our youth.

There’s good news: nowadays, there are dozens of self tanners on the market specifically made for our face. They’re easy to use and give you a bronzed glow in mere hours. Keep reading for the ...