We generally don’t highlight commercial products in FotW, but in the case of this substandard RF signal generator, we’ll make an exception. We suppose the fail-badge could be pinned on ...

Here, we describe how to use readily available materials to make a simple generator. Although it will only be powerful enough to light a small torch bulb, it works on the same basic principles as ...

Whether camping where there's not a source of electricity or the power goes out at home and you need it back up sooner rather ...