Cheap, high-quality PCBs are truly a wonder of our age. That a professionally fabricated board with silkscreen and solder mask can be ordered online and delivered to your door has lowered the bar ...

We’ve all seen how to peel IR filters off digital cameras so they can see a little better in the dark, but there’s so much more to this next project than that. How about being able to see things ...

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 ...