In the “don’t try this at home” category, [Joe Smith] builds a spark gap transmitter with a twist. The twist is that the drive power is from a signal generator attached to a FET. From there, though, ...

Energy harvesting is the art of extracting useful power from energy sources normally deemed too weak, too dilute, or too impractical to be usable. I have already presented an example of such a ...

Hardware fault injection uses electrical manipulation of a digital circuit to intentionally introduce errors, which can be used to cause processors to behave in unpredictable ways. This unintentional ...